Tag Archives: rubber shaft

China Custom FCL Quick Coupling Type 280 / Flexible Rubber Flange Shaft Couplings Bolt (PB280)

Product Description

Product Description

      FCL Coupling/Shaft Coupling /Pin & Bush Coupling /FCL Flexible Coupling/NBK FCL Coupling is widely used for its compacts designing, easy installation, convenient maintenance, small and light weight. 
     As long as the relative displacement between shafts is kept within the specified tolerance, couplings will operate the best function and have a longer working life.
     Thus it is greatly demanded in medium and minor power transmission systems driven by motors, such as speed reducers, hoists, compressors, conveyors, spinning and weaving machines and ball mills.

Technical Date

KASIN No. A d L C1 C2 B F1 F2 n a M t   PartsNo. Max. Torque Max.R.P.M Eccentricity Angularity End-Play
FCL 1/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030
 
Http://kasinchain   

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flexible flange coupling

Contribution of Flexible Flange Couplings to Noise Reduction and Smooth Operation

Flexible flange couplings play a crucial role in reducing noise and ensuring smooth operation in mechanical power transmission systems. They achieve this through the following mechanisms:

  1. Vibration Damping: One of the primary functions of flexible flange couplings is to dampen vibrations that occur during operation. These couplings utilize materials with inherent damping properties, such as elastomers, to absorb and dissipate vibrations generated by rotating machinery. By reducing vibrations, flexible flange couplings help minimize noise and prevent potential resonance issues that can lead to equipment failure or increased wear.
  2. Misalignment Compensation: Flexible flange couplings are designed to accommodate both angular and axial misalignments between connected shafts. When shafts are misaligned, it can result in uneven forces and vibrations that contribute to noise and mechanical stress. By allowing some degree of misalignment, these couplings prevent rigid transmission of vibrations and reduce the impact of misalignment on connected machinery, resulting in smoother operation.
  3. Shock Absorption: In industrial applications where machinery encounters sudden shocks or impact loads, flexible flange couplings act as shock absorbers. The elastomeric or flexible elements of the couplings can absorb and dissipate energy from shocks, preventing it from propagating through the system. This shock absorption capability helps maintain stable and quieter operation, protecting components from damage caused by sudden loads.
  4. Reduced Backlash: Backlash refers to the slight play or movement that can occur in couplings when the rotational direction changes. Flexible flange couplings often exhibit minimal backlash due to their design and materials. This characteristic results in smoother engagement between the shafts during reversals, reducing noise and preventing jerky movements that could impact equipment performance.
  5. Smooth Torque Transmission: Flexible flange couplings efficiently transmit torque from one shaft to another while allowing for a certain degree of flexibility. This smooth transmission of torque prevents sudden torque spikes that could lead to noise generation and mechanical stresses.

By combining these features, flexible flange couplings contribute significantly to noise reduction and ensuring smooth and reliable operation of rotating machinery. Their ability to absorb vibrations, compensate for misalignments, and dampen shocks makes them essential components in various industrial applications, where noise reduction and smooth operation are critical for performance and safety.

flexible flange coupling

Flexible Flange Couplings for Pumps, Compressors, and Marine Propulsion Systems

Yes, flexible flange couplings are suitable for use in pumps, compressors, and marine propulsion systems. These couplings offer several advantages that make them well-suited for such applications:

  • Misalignment Tolerance: Pumps, compressors, and marine propulsion systems often experience misalignments due to thermal expansion, vibration, or other factors. Flexible flange couplings can accommodate both angular and axial misalignments, ensuring smooth operation and reducing stress on the connected equipment.
  • Vibration Damping: These coupling types are designed to dampen vibrations, which is crucial in pump and compressor applications where excessive vibration can lead to equipment damage and premature wear. The vibration damping properties help improve the overall system’s reliability and reduce maintenance requirements.
  • High Torque Transmission: Pumps, compressors, and marine propulsion systems often require high torque transmission to handle heavy loads and provide efficient power transfer. Flexible flange couplings are capable of transmitting high torques, making them suitable for these demanding applications.
  • Electrical Isolation: In some cases, electrical isolation between shafts is necessary to prevent the transfer of electrical currents or static electricity. Flexible flange couplings made from insulating materials can provide this isolation, ensuring safe and efficient operation in certain pump and compressor applications.
  • Corrosion Resistance: Marine propulsion systems are exposed to harsh environments with high humidity and saltwater exposure. Flexible flange couplings made from materials such as stainless steel or corrosion-resistant alloys can withstand these conditions, offering extended service life and reliable performance.
  • Easy Installation and Maintenance: Flexible flange couplings are relatively easy to install and require minimal maintenance, making them attractive choices for various industrial applications, including pumps, compressors, and marine propulsion systems.
  • Compact Design: Space may be limited in pumps, compressors, and marine propulsion systems. Flexible flange couplings have a compact design, which helps in integrating them into the equipment without significant modifications.

Overall, flexible flange couplings are versatile and can be customized to suit specific requirements, making them well-suited for use in pumps, compressors, and marine propulsion systems. However, it’s essential to consider factors such as torque capacity, material compatibility, operating conditions, and system requirements to select the most appropriate coupling for each application.

flexible flange coupling

Working Principle of a Flexible Flange Coupling and its Advantages

A flexible flange coupling is designed to connect two shafts in a mechanical system while compensating for misalignment and torsional vibrations. It consists of two flanges, one on each shaft, connected by a flexible element in between.

Working Principle: When torque is transmitted through the coupling, the flexible element allows for slight angular, parallel, and axial misalignment between the shafts. This flexibility is crucial in cases where perfect alignment is difficult to achieve or maintain during operation. The coupling’s design and materials enable it to handle the relative movement between the shafts while transmitting torque smoothly.

The flexible element can be made of various materials, such as elastomers, metals, or composite materials. Elastomeric materials like rubber or polyurethane offer excellent vibration damping properties, while metallic elements provide higher torque transmission capabilities.

Advantages of Flexible Flange Couplings:

  • Misalignment Compensation: Flexible flange couplings can accommodate both angular and parallel misalignment, as well as a combination of both. This capability helps to reduce stress on the connected machinery and prevents premature wear.
  • Vibration Damping: Couplings with elastomeric elements act as effective vibration dampers, reducing resonance and minimizing vibrations that can damage the equipment.
  • Torsional Compliance: The flexibility of the coupling allows it to absorb torsional vibrations, preventing shocks from being transmitted through the system.
  • Easy Installation: Flexible flange couplings are relatively easy to install, and they do not require precise alignment during assembly, saving time and effort in the setup process.
  • High Torque Transmission: Couplings with metallic elements can handle high torque loads, making them suitable for heavy-duty applications.
  • Compact Design: The compact design of flexible flange couplings allows them to be used in limited spaces where other coupling types might not fit.
  • Low Maintenance: In general, these couplings have low maintenance requirements, contributing to reduced downtime and operational costs.

Conclusion: Flexible flange couplings offer a versatile and efficient solution for connecting rotating shafts in various mechanical systems. Their ability to compensate for misalignment, dampen vibrations, and transmit torque reliably makes them well-suited for a wide range of industrial applications. When selecting a coupling, it’s crucial to consider the specific requirements of the machinery and the operating conditions to ensure optimal performance and longevity.

China Custom FCL Quick Coupling Type 280 / Flexible Rubber Flange Shaft Couplings Bolt (PB280)  China Custom FCL Quick Coupling Type 280 / Flexible Rubber Flange Shaft Couplings Bolt (PB280)
editor by CX 2024-04-10

China high quality Flexible Normex Flange Shaft Flexible Nm Coupling with Rubber PU Element

Product Description

Ductile Iron Nor-Mex Couplings Size 50/67/82/97/112/128/148/168/194/214/240/265/295/330/370/415/480/575

 

Product Description

NM flexible shaft coupling is a cylindrical pin made of some non-metallic materials, which is placed between the 2 sides of the coupling and the inner surface of the outer ring, and a device to transfer the torque through the column pin to realize the connection between 2 half couplings.

NM flexible shaft coupling between the slider made of bakelite cloth or polyurethane, suitable for high speed, large torque, no sharp impact of the 2 connections. The maximum allowable torque is 850N m, and the maximum shaft diameter is 50mm.

Parameter
 

Name of transmission part water pump coupling
Series of Normex couplings  NM 50, NM 67, NM 82, NM 97, NM 112, NM 128, NM 148, NM 168, NM 194, NM 214, NM 240, NM 265, NM 295, NM 330, NM 370, NM 415, NM 480, NM 575.
Material cast iron GG25
Bore type pilot bore, finished bore
Surface finish phosphate coated. 
Product structure

it is composed of 2 cast iron claws and a natural rubber inner ring

Suitable shaft diameter 7mm-75mm
Suitable motor power within 60hp / 45KW

 

Product features:
 

1. The maximum torque is 125kgm
2. Stable operation and low noise
3. The product is made of cast iron and cast by precision die casting, so it is not easy to cause fracture during operation

 

 

 

OUR COMPANY

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

 

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

OUR FACTORY
 

 

Main Products:

Timing belt pulleys, timing bars, timing belt clamping plates.

Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

V belt pulleys and taper lock bush.

Sprockets, idler, and plate wheels.

Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).

 

 

Application

 

1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

 

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

Contacts

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!
Tina Shaw

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flexible flange coupling

Maintenance Requirements for Flexible Flange Couplings

Proper maintenance is essential to ensure the optimal performance and longevity of flexible flange couplings. Regular inspections and maintenance routines can help detect and prevent potential issues before they escalate into major problems. Here are the key maintenance requirements for flexible flange couplings:

  • Visual Inspections: Regularly inspect the coupling for any signs of wear, damage, or misalignment. Look for cracks, tears, or deformations in the elastomeric elements and ensure that the flanges are securely fastened.
  • Lubrication: Some flexible flange couplings may require periodic lubrication at the flange interface or other moving parts. Check the manufacturer’s guidelines for the recommended lubrication schedule and use the appropriate lubricant.
  • Torque Checks: Verify that the flange bolts or screws are tightened to the specified torque. Loose fasteners can lead to misalignment and reduce the coupling’s performance.
  • Alignment: Ensure that the connected shafts are correctly aligned. Misalignment can cause increased stress on the coupling and lead to premature failure. If misalignment is detected, it should be corrected promptly.
  • Environmental Protection: In harsh environments, such as those with high humidity, chemicals, or abrasive particles, consider implementing protective measures to shield the coupling from potential damage.
  • Inspections After Shock Loads: If the coupling is subjected to shock loads or excessive stress, perform thorough inspections to check for any deformation or damage that may have occurred.
  • Replace Worn Elements: Over time, the elastomeric elements of the coupling may wear out. Replace these elements when they show signs of deterioration to maintain the coupling’s performance.

It is important to follow the manufacturer’s maintenance guidelines and recommendations specific to the particular flexible flange coupling model being used. Regular maintenance not only ensures the coupling’s optimal performance but also enhances the safety of the overall mechanical system.

flexible flange coupling

Standard Sizes and Specifications of Flexible Flange Couplings

Flexible flange couplings come in various sizes and specifications to accommodate different applications and torque requirements. The specific sizes and specifications may vary depending on the manufacturer and the intended use. However, there are some common standard sizes and specifications available in the market:

  • Coupling Size: Flexible flange couplings are available in a range of sizes, typically measured in millimeters (mm) or inches (in). Common sizes include diameters ranging from a few millimeters to several hundred millimeters, catering to different shaft diameters.
  • Torque Capacity: The torque capacity of flexible flange couplings can vary widely. Couplings with higher torque capacities are used in heavy-duty applications, while those with lower torque capacities are suitable for smaller, less demanding systems.
  • Material: Flexible flange couplings can be made from various materials, including steel, aluminum, and stainless steel. The choice of material depends on factors such as the application environment, torque requirements, and the need for corrosion resistance.
  • Number of Flanges: Flexible flange couplings typically have two flanges to connect two shafts. However, some designs may have more flanges to provide additional stability and alignment support.
  • Flexibility: The flexibility of the coupling is crucial for accommodating misalignment. The amount of angular, axial, and parallel misalignment that the coupling can handle should be considered during the selection process.
  • Operating Temperature: The temperature range within which the coupling can operate effectively should be specified. High-temperature applications may require couplings with special materials or heat-resistant designs.
  • Speed Rating: Flexible flange couplings are rated for specific rotational speeds. It’s essential to ensure that the selected coupling can handle the required speed without causing vibration or premature wear.
  • Backlash: Some couplings are designed to have minimal or zero backlash, which is crucial for applications requiring precise motion transfer, while others may allow for some level of backlash.
  • Installation Method: The method of installation can vary between different flexible flange coupling designs. Some may require set screws or clamping elements, while others may have keyways or other attachment methods.

It’s important to consult the manufacturer’s datasheets and technical specifications to find the exact sizes and specifications of flexible flange couplings available from different suppliers. Additionally, considering the specific requirements of the application and seeking expert advice can help in selecting the right flexible flange coupling for optimal performance and longevity in the mechanical power transmission system.

flexible flange coupling

Types of Flexible Flange Couplings in Industrial Applications

Flexible flange couplings come in various designs and configurations to suit different industrial applications. Some of the commonly used types include:

  • 1. Diaphragm Couplings: Diaphragm couplings consist of two flanges with a thin metal diaphragm in between. The diaphragm is designed to flex and move with minimal deformation, allowing for high torsional stiffness and excellent misalignment compensation. They are commonly used in high-speed and high-precision applications, such as pumps, compressors, and servo systems.
  • 2. Disc Couplings: Disc couplings use a series of stainless steel or metallic discs stacked alternately to create flexibility. These couplings can handle high torque, have good misalignment capabilities, and provide excellent vibration damping. They are suitable for applications that require high torque transmission, such as industrial machinery and power generation equipment.
  • 3. Grid Couplings: Grid couplings feature a flexible grid element made of spring steel or elastomeric material between the flanges. The grid provides flexibility while maintaining high torsional rigidity. These couplings are widely used in industries like material handling, conveyors, and pumps.
  • 4. Elastomeric Couplings: Elastomeric couplings use a rubber or elastomeric material as the flexible element. They are highly efficient in dampening vibrations and can accommodate misalignment. Elastomeric couplings find applications in various industries, including HVAC systems, marine equipment, and conveyor systems.
  • 5. Tyre Couplings: Tyre couplings have a flexible tyre-like element made of rubber between the flanges. They offer good shock absorption, compensate for misalignment, and reduce vibrations. These couplings are commonly used in heavy-duty applications, such as mining equipment and steel rolling mills.
  • 6. Oldham Couplings: Oldham couplings use three discs – two outer discs with radial slots and an intermediate disc with perpendicular slots. The intermediate disc slides between the outer discs, providing flexibility and misalignment compensation. They are ideal for transmitting torque between shafts with limited parallel misalignment and are used in printing machines, textile equipment, and robotics.

Conclusion: The selection of a specific type of flexible flange coupling depends on the requirements of the industrial application, including the amount of misalignment, torque transmission, speed, and the need for vibration dampening. Each type of coupling offers unique advantages, making them suitable for various industrial setups where reliable and flexible power transmission is essential.

China high quality Flexible Normex Flange Shaft Flexible Nm Coupling with Rubber PU Element  China high quality Flexible Normex Flange Shaft Flexible Nm Coupling with Rubber PU Element
editor by CX 2024-04-09

China high quality Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

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flexible flange coupling

Contribution of Flexible Flange Couplings to Noise Reduction and Smooth Operation

Flexible flange couplings play a crucial role in reducing noise and ensuring smooth operation in mechanical power transmission systems. They achieve this through the following mechanisms:

  1. Vibration Damping: One of the primary functions of flexible flange couplings is to dampen vibrations that occur during operation. These couplings utilize materials with inherent damping properties, such as elastomers, to absorb and dissipate vibrations generated by rotating machinery. By reducing vibrations, flexible flange couplings help minimize noise and prevent potential resonance issues that can lead to equipment failure or increased wear.
  2. Misalignment Compensation: Flexible flange couplings are designed to accommodate both angular and axial misalignments between connected shafts. When shafts are misaligned, it can result in uneven forces and vibrations that contribute to noise and mechanical stress. By allowing some degree of misalignment, these couplings prevent rigid transmission of vibrations and reduce the impact of misalignment on connected machinery, resulting in smoother operation.
  3. Shock Absorption: In industrial applications where machinery encounters sudden shocks or impact loads, flexible flange couplings act as shock absorbers. The elastomeric or flexible elements of the couplings can absorb and dissipate energy from shocks, preventing it from propagating through the system. This shock absorption capability helps maintain stable and quieter operation, protecting components from damage caused by sudden loads.
  4. Reduced Backlash: Backlash refers to the slight play or movement that can occur in couplings when the rotational direction changes. Flexible flange couplings often exhibit minimal backlash due to their design and materials. This characteristic results in smoother engagement between the shafts during reversals, reducing noise and preventing jerky movements that could impact equipment performance.
  5. Smooth Torque Transmission: Flexible flange couplings efficiently transmit torque from one shaft to another while allowing for a certain degree of flexibility. This smooth transmission of torque prevents sudden torque spikes that could lead to noise generation and mechanical stresses.

By combining these features, flexible flange couplings contribute significantly to noise reduction and ensuring smooth and reliable operation of rotating machinery. Their ability to absorb vibrations, compensate for misalignments, and dampen shocks makes them essential components in various industrial applications, where noise reduction and smooth operation are critical for performance and safety.

flexible flange coupling

Real-World Examples of Successful Flexible Flange Coupling Installations and Their Benefits

There are numerous real-world examples of successful flexible flange coupling installations that have demonstrated significant benefits in various industrial applications. Here are some notable examples:

Example 1: Industrial Pumps

In an industrial pumping system used for fluid transfer, the existing rigid coupling was causing excessive vibration and wear on the pump and motor bearings. The vibrations were leading to frequent maintenance and downtime. After retrofitting with flexible flange couplings, the system experienced a drastic reduction in vibration levels. The couplings effectively dampened vibrations and accommodated minor misalignments, resulting in smoother operation and longer bearing life. The benefits included reduced maintenance costs and increased overall system reliability.

Example 2: Marine Propulsion

In a marine propulsion system, the conventional coupling was not effectively dampening the torsional vibrations generated by the engine. This vibration was affecting the comfort of passengers and causing stress on the drivetrain components. By installing a flexible flange coupling, the system’s torsional stiffness was optimized, and the vibrations were significantly reduced. The result was a smoother and quieter ride for passengers, reduced wear on components, and improved fuel efficiency.

Example 3: Compressors

In a gas compressor application, the existing coupling was unable to handle the misalignment between the driver and driven shafts, leading to premature coupling failures. By replacing the coupling with a flexible flange coupling that could accommodate both angular and axial misalignment, the system experienced improved reliability and reduced unplanned downtime. The flexible coupling also helped reduce peak torque loads during start-up, minimizing stress on the system and extending the equipment’s lifespan.

Example 4: Wind Turbines

Wind turbines require couplings that can handle varying wind conditions and torque fluctuations. Flexible flange couplings have been successfully implemented in wind turbine drivetrains, allowing them to withstand the dynamic loads and misalignments experienced in the field. The flexibility of these couplings ensures smooth power transmission and helps protect the gearbox and generator from damaging vibrations, contributing to the long-term performance and reliability of the wind turbine.

Overall, flexible flange couplings have proven to be reliable and effective solutions in various industries. Their ability to dampen vibrations, accommodate misalignments, and transmit high torque makes them valuable components for improving the performance, efficiency, and lifespan of mechanical systems and equipment.

These real-world examples highlight the versatility and benefits of flexible flange couplings, and they serve as successful case studies for the advantages of using these couplings in diverse industrial applications.

flexible flange coupling

Flexible Flange Coupling in Mechanical Power Transmission

A flexible flange coupling is a type of coupling used to connect two shafts and transmit mechanical power from one shaft to another. It is designed to accommodate misalignment, parallel, angular, and axial, between the connected shafts. The coupling consists of two flanges with interlocking teeth or ridges on their mating faces, and a flexible element, often made of elastomeric material, positioned between the flanges.

The function of a flexible flange coupling in mechanical power transmission is as follows:

  1. Compensation for Misalignment: One of the primary functions of a flexible flange coupling is to compensate for misalignment between the shafts. Misalignment can occur due to various factors, such as manufacturing tolerances, thermal expansion, or vibrations. The flexible element allows the flanges to move relative to each other, accommodating both angular and parallel misalignments without imposing significant loads on the connected machinery.
  2. Shock Absorption: The flexible element in the coupling acts as a shock absorber, dampening sudden shocks and vibrations that may arise from the equipment or system. This helps protect the machinery from damage and minimizes wear and tear, enhancing the overall service life of the system.
  3. Torsional Flexibility: Flexible flange couplings offer torsional flexibility, allowing them to transmit torque smoothly between the shafts, even when the two shafts are not perfectly aligned. This capability is essential in applications where there are frequent starts, stops, or changes in load, as it reduces the risk of stress concentration and premature failure.
  4. Isolation of Vibrations: Vibrations generated in one shaft due to imbalances, misalignment, or other factors can be isolated from the other shaft by the flexible element, preventing the vibrations from propagating throughout the entire system and reducing noise levels.
  5. Easy Installation and Maintenance: Flexible flange couplings are relatively easy to install and maintain. The split design of the flanges allows them to be assembled around the shafts without the need to disassemble the entire system. This feature simplifies installation and reduces downtime during maintenance.

Conclusion: Flexible flange couplings play a crucial role in mechanical power transmission by providing a flexible and reliable connection between rotating shafts. Their ability to compensate for misalignment, absorb shocks, transmit torque smoothly, and isolate vibrations makes them suitable for a wide range of applications in various industries.

China high quality Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China high quality Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2024-04-04

China factory Flexible Shaft Coupling Price Flexible Universal Joint Pipe Flange Rubber Flexible Coupling

Product Description

 High Quality UL type coupling Flexible shaft rubber couplings 

Advantages:
1. Easy to maintain, no need the tooled can install 
2. Can undertake high torque 
3. Have the good buffer
4. Flexibility, large damping, large compensation dosage

Features:
1. Plastic components( tyres) and metal plates made into a whole by sulfur and felting. Connecting the 2 half-coupling directly by bolts when installing.
2. Flexibility, large damping, large  compensation dosage.
3. Simple designing ,easy for assembling and disassembling. The tyres can be replaced without moving 2 half-coupling.
4. Disadvantage, large axial power will be brought on the driven end as the rotate angle increasing.

Service:
1. 12 months warranty period .
2. Free maintenance .  
3. High quality, Lowest price , Fast delivery, Perfect service after sale
4. Chinese CHINAMFG supplier, many years engaged in couplings. 

Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.

FAQ:
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
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flexible flange coupling

Maintenance Requirements for Flexible Flange Couplings

Proper maintenance is essential to ensure the optimal performance and longevity of flexible flange couplings. Regular inspections and maintenance routines can help detect and prevent potential issues before they escalate into major problems. Here are the key maintenance requirements for flexible flange couplings:

  • Visual Inspections: Regularly inspect the coupling for any signs of wear, damage, or misalignment. Look for cracks, tears, or deformations in the elastomeric elements and ensure that the flanges are securely fastened.
  • Lubrication: Some flexible flange couplings may require periodic lubrication at the flange interface or other moving parts. Check the manufacturer’s guidelines for the recommended lubrication schedule and use the appropriate lubricant.
  • Torque Checks: Verify that the flange bolts or screws are tightened to the specified torque. Loose fasteners can lead to misalignment and reduce the coupling’s performance.
  • Alignment: Ensure that the connected shafts are correctly aligned. Misalignment can cause increased stress on the coupling and lead to premature failure. If misalignment is detected, it should be corrected promptly.
  • Environmental Protection: In harsh environments, such as those with high humidity, chemicals, or abrasive particles, consider implementing protective measures to shield the coupling from potential damage.
  • Inspections After Shock Loads: If the coupling is subjected to shock loads or excessive stress, perform thorough inspections to check for any deformation or damage that may have occurred.
  • Replace Worn Elements: Over time, the elastomeric elements of the coupling may wear out. Replace these elements when they show signs of deterioration to maintain the coupling’s performance.

It is important to follow the manufacturer’s maintenance guidelines and recommendations specific to the particular flexible flange coupling model being used. Regular maintenance not only ensures the coupling’s optimal performance but also enhances the safety of the overall mechanical system.

flexible flange coupling

Standard Sizes and Specifications of Flexible Flange Couplings

Flexible flange couplings come in various sizes and specifications to accommodate different applications and torque requirements. The specific sizes and specifications may vary depending on the manufacturer and the intended use. However, there are some common standard sizes and specifications available in the market:

  • Coupling Size: Flexible flange couplings are available in a range of sizes, typically measured in millimeters (mm) or inches (in). Common sizes include diameters ranging from a few millimeters to several hundred millimeters, catering to different shaft diameters.
  • Torque Capacity: The torque capacity of flexible flange couplings can vary widely. Couplings with higher torque capacities are used in heavy-duty applications, while those with lower torque capacities are suitable for smaller, less demanding systems.
  • Material: Flexible flange couplings can be made from various materials, including steel, aluminum, and stainless steel. The choice of material depends on factors such as the application environment, torque requirements, and the need for corrosion resistance.
  • Number of Flanges: Flexible flange couplings typically have two flanges to connect two shafts. However, some designs may have more flanges to provide additional stability and alignment support.
  • Flexibility: The flexibility of the coupling is crucial for accommodating misalignment. The amount of angular, axial, and parallel misalignment that the coupling can handle should be considered during the selection process.
  • Operating Temperature: The temperature range within which the coupling can operate effectively should be specified. High-temperature applications may require couplings with special materials or heat-resistant designs.
  • Speed Rating: Flexible flange couplings are rated for specific rotational speeds. It’s essential to ensure that the selected coupling can handle the required speed without causing vibration or premature wear.
  • Backlash: Some couplings are designed to have minimal or zero backlash, which is crucial for applications requiring precise motion transfer, while others may allow for some level of backlash.
  • Installation Method: The method of installation can vary between different flexible flange coupling designs. Some may require set screws or clamping elements, while others may have keyways or other attachment methods.

It’s important to consult the manufacturer’s datasheets and technical specifications to find the exact sizes and specifications of flexible flange couplings available from different suppliers. Additionally, considering the specific requirements of the application and seeking expert advice can help in selecting the right flexible flange coupling for optimal performance and longevity in the mechanical power transmission system.

flexible flange coupling

Torque and Speed Limits for Flexible Flange Coupling Designs

Flexible flange couplings come in various designs, each with its specific torque and speed limits. These limits are essential considerations when selecting the appropriate coupling for a particular application. The following factors influence the torque and speed limits:

  • Coupling Material: The material used in the flexible flange coupling plays a crucial role in determining its torque and speed limits. Couplings made from materials with higher tensile and shear strength, such as steel or alloy, can handle higher torque loads and operate at higher speeds compared to those made from elastomeric materials.
  • Elastomer Hardness: For flexible flange couplings with elastomeric elements, the hardness of the elastomer affects the torque and speed limits. Softer elastomers generally offer greater flexibility and misalignment accommodation but may have lower torque and speed ratings. Harder elastomers can handle higher torque and speed but provide less flexibility.
  • Coupling Size: The physical size of the coupling also impacts its torque and speed limits. Larger couplings, with more substantial and thicker flanges and elastomer elements, can generally handle higher torque loads and operate at higher speeds.
  • Design and Construction: The design and construction of the flexible flange coupling influence its overall strength and performance. Couplings with optimized designs, precision machining, and robust construction can withstand higher torque and speed levels.
  • Application Requirements: The specific requirements of the application, such as the level of misalignment, the magnitude of torque loads, and the desired rotational speed, will determine the suitable flexible flange coupling with the appropriate torque and speed limits.

Manufacturers of flexible flange couplings provide detailed specifications, including torque and speed ratings, for each coupling design they offer. It is crucial to adhere to these specified limits to ensure the safe and reliable operation of the coupling in the intended application.

During the selection process, engineers and designers should carefully match the torque and speed requirements of the application with the capabilities of the chosen flexible flange coupling. This ensures that the coupling operates optimally and provides long-lasting and efficient power transmission in the mechanical system.

China factory Flexible Shaft Coupling Price Flexible Universal Joint Pipe Flange Rubber Flexible Coupling  China factory Flexible Shaft Coupling Price Flexible Universal Joint Pipe Flange Rubber Flexible Coupling
editor by CX 2024-04-04

China Good quality CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling

Product Description

Product Description

Coupling Deatails

Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.

Model parameter

ΦD

L

LF

LP

F

M

Tightening screw torque

(N.M)

GF-14X22

14

22

14.3

6.6

3.8

M 3

0.7

GF-20X25

20

25

16.7

8.6

4

M 3

0.7

GF-20X30

20

30

19.25

8.6

5.3

M 4

1.7

GF-25X30

25

30

20.82

11.6

5.6

M 4

1.7

GF-25X34

25

34

22.82

11.6

5.6

M 4

1.7

GF-30X35

30

35

23

11.5

5.75

M 4

1.7

GF-30X40

30

40

25.6

11.5

10

M 4

1.7

GF-40X50

40

50

32.1

14.5

10

M 5

4

GF-40X55

40

55

34.5

14.5

10

M 5

4

GF-40X66

40

66

40

14.5

12.75

M 5

4

GF-55X49

55

49

32

16.1

13.5

M 6

8.4

GF-55X78

55

78

46.4

16.1

15.5

M 6

8.4

GF-65X80

65

80

48.5

17.3

18.1

M 8

10.5

GF-65X90

65

90

53.5

17.3

18.1

M 8

10.5

 

Product Parameters

Detailed Photos

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flexible coupling

Can flexible couplings be used in hydraulic and pneumatic systems?

Yes, flexible couplings can be used in both hydraulic and pneumatic systems to connect various components and transmit power or motion. However, the selection of flexible couplings for these systems depends on specific application requirements and operating conditions.

Hydraulic Systems:

  • Compensating Misalignment: In hydraulic systems, flexible couplings are used to compensate for misalignment between the driving and driven components, such as pumps, motors, and actuators. Misalignment can occur due to variations in the mounting or movement of components. The flexibility of the coupling allows it to accommodate misalignment while transmitting torque efficiently.
  • Vibration Damping: Hydraulic systems can generate vibrations during operation, which can affect the performance and lifespan of connected components. Flexible couplings with vibration-damping properties help reduce the transmission of vibrations, providing smoother operation and minimizing wear on components.
  • Reducing Shock Loads: Flexible couplings absorb and dampen shock loads that may occur in hydraulic systems during rapid starts, stops, or pressure fluctuations. By absorbing these shock loads, the coupling protects connected components from potential damage.
  • Corrosion Resistance: Hydraulic systems may operate in environments with exposure to hydraulic fluids, which can be corrosive. Flexible couplings made of materials resistant to corrosion, such as stainless steel or specific polymers, are suitable for such applications.
  • High Torque Transmission: Hydraulic systems often require high torque transmission between the power source and the driven components. Flexible couplings can handle high torque levels while accommodating angular and axial misalignments.

Pneumatic Systems:

  • Compensation for Misalignment: In pneumatic systems, flexible couplings provide compensation for misalignment between components, such as pneumatic cylinders, valves, and rotary actuators. The ability to accommodate misalignment ensures smooth operation and reduces the risk of mechanical stress on the system.
  • Minimal Lubrication: Some flexible couplings designed for pneumatic systems require little to no lubrication, making them suitable for applications where oil or grease contamination is undesirable.
  • Low Inertia: Pneumatic systems often require components with low inertia to achieve rapid response times. Flexible couplings with low mass and low inertia help maintain the system’s responsiveness and efficiency.
  • High Torque Transmission: Pneumatic systems can demand high torque transmission between components, such as in pneumatic rotary actuators. Flexible couplings can transmit torque effectively while compensating for potential misalignments.
  • Corrosion Resistance: Pneumatic systems operating in harsh environments may be exposed to moisture or chemicals. Flexible couplings made of corrosion-resistant materials are ideal for such conditions.

Overall, flexible couplings are versatile components that can be used in a wide range of hydraulic and pneumatic applications. When selecting a flexible coupling for a specific system, it’s essential to consider factors such as misalignment compensation, vibration damping, shock absorption, corrosion resistance, torque transmission capability, and compatibility with the system’s operating conditions.

flexible coupling

Can flexible couplings be used in pumps, compressors, and fans?

Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:

  • Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
  • Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
  • Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
  • Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
  • Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
  • Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.

In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China Good quality CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling  China Good quality CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
editor by CX 2024-03-27

China supplier Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

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flexible flange coupling

Materials Used in Manufacturing Flexible Flange Couplings and Their Impact on Performance

Flexible flange couplings are commonly manufactured using various materials, each offering specific properties that can impact their performance in mechanical power transmission systems. The choice of material depends on factors such as application requirements, operating conditions, torque and speed demands, and environmental considerations. Some of the commonly used materials and their impact on performance are as follows:

  1. Elastomeric Materials (Rubber, Polyurethane, etc.): Elastomeric materials like rubber and polyurethane are widely used in flexible flange couplings. These materials provide excellent flexibility, which allows them to handle misalignment and dampen vibrations effectively. They can also absorb shocks and reduce transmission of torsional vibrations between shafts, contributing to smoother operation and reduced wear on connected machinery. However, elastomeric couplings may have limitations in high-temperature or aggressive chemical environments.
  2. Metal Alloys (Steel, Stainless Steel, etc.): Metal alloys, such as steel and stainless steel, are preferred when higher torque and load-carrying capacities are required. They offer superior strength and durability, making them suitable for heavy-duty applications. Stainless steel is particularly resistant to corrosion and is often used in harsh or corrosive environments. Metal couplings may not provide as much flexibility as elastomeric ones, but they compensate with higher torque transmission capabilities and increased reliability.
  3. Composite Materials (Fiberglass, Carbon Fiber, etc.): Composite materials are gaining popularity in various industries due to their unique combination of properties. They can offer a balance of flexibility and strength, making them suitable for applications where both misalignment accommodation and high torque transmission are necessary. Composite couplings are often lightweight, which can be advantageous for reducing the overall weight of rotating systems.
  4. Plastics (Nylon, Delrin, etc.): Plastics are sometimes used in less demanding applications where cost-effectiveness and low friction are essential. While they may not provide the same level of performance as elastomeric or metal couplings, they can still serve adequately in specific settings with lower torque and speed requirements.

The choice of material for flexible flange couplings must consider factors such as application-specific needs, environmental conditions, temperature range, chemical exposure, and maintenance requirements. It is essential to select a coupling material that matches the demands of the application to ensure optimal performance, longevity, and reliability.

flexible flange coupling

Flexibility of Retrofitting Flexible Flange Couplings for Improved Performance

Yes, flexible flange couplings can be retrofitted into existing systems to improve performance. Retrofitting is a cost-effective solution for upgrading older machinery or systems without the need for significant modifications or replacements.

Here are the key points to consider when retrofitting flexible flange couplings:

  • Compatibility: Before retrofitting, ensure that the selected flexible flange coupling is compatible with the existing system. Check the dimensions, torque capacity, and other specifications to ensure a proper fit and reliable performance.
  • Misalignment Compensation: Flexible flange couplings can accommodate misalignments, making them suitable for retrofitting into systems where misalignments may have occurred over time due to wear and tear or other factors. They can help restore proper alignment and improve system efficiency.
  • Vibration Reduction: If the existing system experiences excessive vibrations, retrofitting with flexible flange couplings can help dampen these vibrations and reduce the stress on components, leading to improved overall system performance and reliability.
  • Torque Transmission: Flexible flange couplings are designed to transmit high torques, which is beneficial for retrofitting into systems where torque requirements may have increased or changed since the original coupling was installed.
  • Installation: Retrofitting should be done carefully and by following the manufacturer’s guidelines. Proper installation ensures that the flexible flange coupling operates as intended and provides the desired performance improvements.
  • System Evaluation: Before retrofitting, evaluate the overall system to identify any potential issues that may need to be addressed. Retrofitting with flexible flange couplings can enhance performance, but it’s essential to ensure that other components are in good condition and suitable for continued operation.

Flexible flange couplings offer versatility and adaptability, making them a viable option for retrofitting into various mechanical systems. They can improve the system’s performance, reduce maintenance requirements, and extend the service life of the equipment.

However, it’s advisable to consult with coupling manufacturers or engineering experts to determine the best type and size of flexible flange coupling for the specific retrofitting application. They can provide valuable insights and recommendations to ensure a successful and effective retrofitting process.

flexible flange coupling

Selecting the Right Flexible Flange Coupling for Specific Machinery or Equipment

Choosing the appropriate flexible flange coupling involves considering several factors to ensure optimal performance and longevity. Here are the key steps to guide the selection process:

  1. Load and Torque Requirements: Determine the maximum torque and load that the coupling will experience during operation. Select a coupling that can handle these loads without exceeding its rated capacity.
  2. Misalignment Compensation: Assess the expected misalignment between the shafts. Different coupling types have varying degrees of misalignment capabilities, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the specific misalignment in your application.
  3. Speed: Consider the rotational speed of the machinery or equipment. High-speed applications may require couplings with good balance and vibration-damping properties to avoid resonance and ensure smooth operation.
  4. Vibration Damping: Evaluate the level of vibration present in the system. If vibration damping is critical, elastomeric couplings or disc couplings may be more suitable choices.
  5. Space Constraints: Take into account the available space for the coupling. Some couplings have a compact design, making them suitable for tight spaces.
  6. Environmental Factors: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a coupling material that can withstand these conditions without corrosion or degradation.
  7. Serviceability: Assess the ease of installation and maintenance. Some couplings allow for easy replacement without disassembling the connected machinery.
  8. Cost: Compare the cost of different coupling options and balance it with the required performance and reliability for your application.

Conclusion: Properly selecting a flexible flange coupling involves understanding the specific requirements of the machinery or equipment, as well as the operating conditions it will be subjected to. By considering factors such as load, misalignment, speed, and environmental conditions, you can make an informed decision and choose the right coupling that ensures efficient power transmission and minimizes the risk of premature failure.

China supplier Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China supplier Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2024-03-27

China Standard CE ISO Approved Cast Iron Nm CHINAMFG Compressor Motor Hydraulic Pump Connector Flexible Jaw Elastomer Elastic HRC Spider Rubber Rigid Shaft Coupling with Flange

Product Description

CE ISO Approved Cast Iron NM CHINAMFG Compressor Motor Hydraulic Pump Connector Flexible Jaw Elastomer HRC Spider Rubber Rigid Shaft Coupling with Flange

Product Description

 

 

NM flexible shaft coupling is a cylindrical pin made of some non-metallic materials, which is placed between the 2 sides of the coupling and the inner surface of the outer ring, and a device to transfer the torque through the column pin to realize the connection between 2 half couplings. NM flexible shaft coupling between the slider made of bakelite cloth or polyurethane, suitable for high speed, large torque, no sharp impact of the 2 connections.

Product brand: EVER-POWER

Name of transmission part: water pump coupling

Product structure: it is composed of 2 cast iron claws and a natural rubber inner ring

Suitable shaft diameter: 7mm-75mm

Suitable motor power: within 60hp / 45KW

Product features:

1. The maximum torque is 125kgm 2. Stable operation and low noise 3. The product is made of cast iron and cast by precision die casting, so it is not easy to cause fracture during operation
 

 

 

Product introduction
NM elastic claw coupling is also called claw coupling. The structure is similar to the elastic plum CHINAMFG coupling, which is made of specially designed synthetic rubber. The coupling consists of 2 cast iron (FC25 material) bodies and rubber. It is a connecting part between the pump and the motor, and is often used in general machinery.
Product features
It is economical, practical, quiet and stable, easy to assemble and maintain, and can provide high torque and intermittent operation for equipment. The coupling body is made of high-grade cast iron, and the rubber is made of NBR, which has excellent oil resistance, performance and TM; ACM is equivalent to fluororubber, and its working temperature is – 40~+120 ºC.
Product application
NM elastic coupling is widely used in supporting equipment of machinery industry, such as ceramic machinery, chemical machinery, woodworking machinery, plastic machinery, textile machinery, construction machinery, stainless steel machinery, auto parts industry, mechanical transmission, motor equipment, and paper products machinery industry.
 

Related products:

 

Company Profile

Ever power is a modern enterprise integrating research and development, design, manufacturing, sales and service. The company is a professional manufacturer of equipment integrating hydraulic transmission and mechanical transmission, providing multiple series of power transmission system solutions. The revolutionary innovation of our company – hub hydraulic connection technology is leading a product revolution that requires hub connection, such as expanding sleeve, coupling, bearing, etc., because of its compact structure, rapid installation, easy positioning, small runout, no damage to the joint surface and easy disassembly and assembly. The main products are hydraulic expansion sleeves, hydraulic coil spring couplings, hydraulic drum gear couplings, and various mechanical couplings. The company’s products are oriented to the global mining, chemical, steel, power, cement, metallurgy, port machinery, shipping, paper making, special pump industry and other fields. Adhering to the enterprise development concept of “people-oriented” and the quality policy of “excellence, endless, dedicated service and customer satisfaction”, the company is constantly moving towards the direction of globalization, modernization, youth and standardization of enterprise development!

 

 

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flexible flange coupling

Materials Used in Manufacturing Flexible Flange Couplings and Their Impact on Performance

Flexible flange couplings are commonly manufactured using various materials, each offering specific properties that can impact their performance in mechanical power transmission systems. The choice of material depends on factors such as application requirements, operating conditions, torque and speed demands, and environmental considerations. Some of the commonly used materials and their impact on performance are as follows:

  1. Elastomeric Materials (Rubber, Polyurethane, etc.): Elastomeric materials like rubber and polyurethane are widely used in flexible flange couplings. These materials provide excellent flexibility, which allows them to handle misalignment and dampen vibrations effectively. They can also absorb shocks and reduce transmission of torsional vibrations between shafts, contributing to smoother operation and reduced wear on connected machinery. However, elastomeric couplings may have limitations in high-temperature or aggressive chemical environments.
  2. Metal Alloys (Steel, Stainless Steel, etc.): Metal alloys, such as steel and stainless steel, are preferred when higher torque and load-carrying capacities are required. They offer superior strength and durability, making them suitable for heavy-duty applications. Stainless steel is particularly resistant to corrosion and is often used in harsh or corrosive environments. Metal couplings may not provide as much flexibility as elastomeric ones, but they compensate with higher torque transmission capabilities and increased reliability.
  3. Composite Materials (Fiberglass, Carbon Fiber, etc.): Composite materials are gaining popularity in various industries due to their unique combination of properties. They can offer a balance of flexibility and strength, making them suitable for applications where both misalignment accommodation and high torque transmission are necessary. Composite couplings are often lightweight, which can be advantageous for reducing the overall weight of rotating systems.
  4. Plastics (Nylon, Delrin, etc.): Plastics are sometimes used in less demanding applications where cost-effectiveness and low friction are essential. While they may not provide the same level of performance as elastomeric or metal couplings, they can still serve adequately in specific settings with lower torque and speed requirements.

The choice of material for flexible flange couplings must consider factors such as application-specific needs, environmental conditions, temperature range, chemical exposure, and maintenance requirements. It is essential to select a coupling material that matches the demands of the application to ensure optimal performance, longevity, and reliability.

flexible flange coupling

Comparison of Flexible Flange Couplings with Other Coupling Types

Flexible flange couplings, elastomeric couplings, and beam couplings are all popular choices for transmitting torque and accommodating misalignment in mechanical systems. Each type has its unique features and advantages, making them suitable for various applications. Here’s a comparison of flexible flange couplings with elastomeric and beam couplings:

  1. Flexible Flange Couplings:
    • Design: Flexible flange couplings consist of two flanges with flexible elements (often rubber or polyurethane) connecting them. The flexibility of the coupling allows it to accommodate angular, axial, and parallel misalignments.
    • Misalignment Compensation: Flexible flange couplings can handle moderate to high levels of misalignment, making them suitable for applications where misalignment is expected.
    • Torque Capacity: They generally have a high torque capacity, making them suitable for high-power applications.
    • Backlash: Flexible flange couplings can have minimal backlash, ensuring accurate and precise motion transfer.
    • Performance: They provide damping of vibrations, reducing resonance in the system and minimizing wear on connected components.
    • Installation: Flexible flange couplings are relatively easy to install and require minimal maintenance.
    • Applications: They are commonly used in industrial machinery, power transmission systems, and applications with moderate to high misalignment requirements.
  2. Elastomeric Couplings:
    • Design: Elastomeric couplings use an elastomer (rubber) element to connect two hubs. The elastomer provides flexibility for misalignment compensation.
    • Misalignment Compensation: Elastomeric couplings can handle angular and parallel misalignments but have limited axial misalignment capabilities.
    • Torque Capacity: They have a moderate torque capacity and are suitable for applications with lower torque requirements.
    • Backlash: Elastomeric couplings can have some level of backlash, which may impact precision in certain applications.
    • Performance: They provide damping of vibrations and shock absorption, protecting connected components from damage.
    • Installation: Elastomeric couplings are easy to install and require minimal maintenance.
    • Applications: They are commonly used in pumps, compressors, and applications where dampening of vibrations is crucial.
  3. Beam Couplings:
    • Design: Beam couplings consist of a single piece of material with spiral cuts that provide flexibility for misalignment compensation.
    • Misalignment Compensation: Beam couplings can handle angular misalignment but have limited capabilities for parallel misalignment.
    • Torque Capacity: They have a moderate torque capacity and are suitable for applications with moderate torque requirements.
    • Backlash: Beam couplings typically have low or zero backlash, making them ideal for applications requiring precise motion transfer.
    • Performance: They offer good torsional stiffness and high torsional strength.
    • Installation: Beam couplings are simple to install and require little maintenance.
    • Applications: They are commonly used in small motors, robotics, and applications with tight space constraints.

Ultimately, the choice between flexible flange couplings, elastomeric couplings, or beam couplings depends on the specific requirements of the application. Factors such as the amount of misalignment, torque capacity, backlash tolerance, and the level of vibration dampening needed will influence the selection process. It’s essential to carefully consider the operating conditions and performance characteristics to ensure the coupling chosen optimally meets the demands of the mechanical system.

flexible flange coupling

Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems

When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:

  • Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
  • Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
  • Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
  • Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
  • Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
  • Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
  • Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
  • Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
  • Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
  • Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.

Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.

China Standard CE ISO Approved Cast Iron Nm CHINAMFG Compressor Motor Hydraulic Pump Connector Flexible Jaw Elastomer Elastic HRC Spider Rubber Rigid Shaft Coupling with Flange  China Standard CE ISO Approved Cast Iron Nm CHINAMFG Compressor Motor Hydraulic Pump Connector Flexible Jaw Elastomer Elastic HRC Spider Rubber Rigid Shaft Coupling with Flange
editor by CX 2024-03-18

Part number 1 HRC150 
Part number 2 HRC180
Part number 3 HRC230 
Part number 4 HRC280
Part number 5 1615-4362-00
Part number 6 1613958500
Part number 7 1615436200
Part number 8 290657100
Part number 9 295711601
Part number 10 1615418409
Part number 11 1613688500
Material Plastic
HS Code 8421310000
Transport Package Netural packing or according to client requirements

Company Profile

FAQ

1.Are you a factory or trading company?
HangZhou Sange Filter Co.,Ltd is a professional filters manufacturer/factory, specialized in filters field for 12 years.

2.Can I mix different items in 1 container?
Yes, different items can be mixed up in 1 full container.

3. What is your terms of payment?
T/T 30% as deposit, and balance paid before delivery(We’ll show you the all pictures of the products and packages before paying the balance)

4.How about your delivery time and delivery item?
Generally, it will take 5 to 7 working days after receiving your advance payment. The specific delivery time depends on the quantity of your order.
Deliver item:DDP

5.Can you produce according to the samples?
Yes, we can produce by your samples or drawings.

6.What is your sample policy?
We have 2 kinds of samples.
1) Free sample : Sample is free for the standard product, customer only pay courier cost.
2) Charged sample : for the customized product, the customer should pay both sample and courier fees.
3)Other negotiable situation.

7. Do you test all your goods before delivery?
A: Yes, we will have 100% test and double check before delivery.

8. How do you make our business long-term and good relationship?
(1) We keep good quality and competitive price to ensure our customers benefit ;
(2) We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

9.After -sales service
We have QC department to guarantee the quality before delivery, If the products have any quality problems, our company will be responsible for it.
Besides, we can provide certificate as per different regions and countries required.

10.What kind of package?
Neutral brown carton cases or customized carton cases as your requirements.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible coupling

What are the real-world applications of flexible couplings in various industries?

Flexible couplings are widely used in a variety of industries to transmit power and motion between rotating shafts while accommodating misalignments and reducing vibrations. Some of the real-world applications of flexible couplings include:

  • Industrial Machinery: Flexible couplings are extensively used in industrial machinery such as pumps, compressors, fans, mixers, and conveyors. They help transmit power from motors to driven equipment, while absorbing misalignments and reducing shock loads and vibrations.
  • Automotive: In the automotive industry, flexible couplings are used in various applications, including drive shafts, steering systems, and engine accessories. They help transmit power and motion while allowing for misalignment and reducing torsional vibrations.
  • Aerospace: In aircraft and aerospace applications, flexible couplings are used in engine systems, landing gear, and flight control systems. They provide reliable power transmission while accommodating misalignment and reducing vibrations in the demanding aerospace environment.
  • Marine: Flexible couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They help transmit power and motion while compensating for shaft misalignment and reducing vibrations in marine vessels.
  • Renewable Energy: In wind turbines and solar tracking systems, flexible couplings are used to transfer power and motion between the turbine or solar panel and the generator. They allow for misalignment caused by wind and sun direction changes, ensuring optimal energy conversion.
  • Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, and drilling equipment. They provide reliable power transmission while accommodating misalignments and reducing vibrations in harsh and demanding oilfield environments.
  • Mining and Construction: Flexible couplings are used in heavy-duty mining and construction equipment, including excavators, bulldozers, and loaders. They help transmit power from engines to drive systems while compensating for misalignments and reducing vibrations in rugged and challenging environments.
  • Food and Beverage: In food processing and packaging machinery, flexible couplings are used to transmit power and motion while meeting strict hygiene and safety requirements. They help prevent contamination while accommodating shaft misalignments.
  • Medical Equipment: Flexible couplings are used in medical devices and equipment, including imaging machines and robotic surgical systems. They help transmit motion and power while reducing vibrations and maintaining precision.
  • Textile Industry: In textile manufacturing machines, flexible couplings are used in spinning, weaving, and dyeing processes. They help transmit power efficiently while accommodating misalignments and reducing vibrations during high-speed operation.

These are just a few examples of the diverse applications of flexible couplings in various industries. Their ability to enhance power transmission efficiency, accommodate misalignments, and reduce vibrations makes them a versatile and indispensable component in modern machinery and equipment.

flexible coupling

Can flexible couplings be used in pumps, compressors, and fans?

Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:

  • Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
  • Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
  • Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
  • Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
  • Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
  • Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.

In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.

flexible coupling

Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?

Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.

Motor-to-Shaft Connections:

When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.

Shaft-to-Shaft Connections:

In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.

Versatility and Advantages:

The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:

  • Minimizing stress and wear on connected components, such as bearings and seals.
  • Compensating for misalignment, ensuring smooth power transmission.
  • Damping vibrations and shock loads, reducing the risk of mechanical failures.
  • Protecting equipment from excessive forces, enhancing system reliability.
  • Simplifying installation and alignment procedures, reducing downtime.
  • Improving overall system performance and operational efficiency.

Applications:

Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.

In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.

China OEM Air Compressor Parts Shaft Rubber Flexible Coupling 1613688500 1615418409 2906057200  China OEM Air Compressor Parts Shaft Rubber Flexible Coupling 1613688500 1615418409 2906057200
editor by CX 2024-03-14

China best Best Price Fras Tyre Rubber C45 Steel Flange Shaft Flexible Tyre Coupling of F40~F250b/F/H and Other Type Shaft Coupling

Product Description

Product Name Tyre Coupling Place of origin China
Brand Mighty  Material Steel /Cast Iron 

 
1.Low MOQ: It can meet your promotional business very well.
2.OEM&ODM: Accepted.
3.Good Service: We treat every clients like family.
4.Good Quality: 100% inspectionwith strict quality control system(We have passed the ISO9001:2008 quality system authentication).
5.Prompt Feedback: We reply every clients within 2 hours except we are dealing with urgent things.
6.Accurate delivery: We ship on time or in advance 100%,we nearly not delay clients’ delivery time.
7.After Sales Services: We continue to serve you after sales and will be responsible for quality problem. 

      
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flexible flange coupling

Use of Flexible Flange Couplings in Applications Requiring Electrical Isolation

Yes, flexible flange couplings can be used in applications requiring electrical isolation between shafts. In certain industrial scenarios, it is essential to electrically isolate the connected equipment or shafts to prevent the flow of electrical current between them. This requirement is common in applications involving sensitive electronic components, motors, generators, or systems where grounding issues need to be avoided.

To achieve electrical isolation, flexible flange couplings can be designed using non-conductive or insulating materials. Some key considerations for using flexible flange couplings in such applications are as follows:

  1. Material Selection: Instead of metallic materials commonly used in standard couplings, such as steel or aluminum, the flexible flange couplings for electrical isolation purposes can be manufactured from non-conductive materials like thermoplastics, certain composites, or specially formulated insulating elastomers.
  2. Insulating Sleeve: Some flexible flange couplings may feature an insulating sleeve or barrier between the two flanges. This sleeve prevents direct contact between the flanges and acts as an electrical barrier, ensuring isolation between the shafts.
  3. Dielectric Strength: When selecting materials for electrical isolation, it is crucial to consider their dielectric strength, which determines the maximum voltage they can withstand without breakdown. The materials chosen should have adequate dielectric strength to suit the application’s electrical requirements.
  4. Performance Considerations: It is important to note that while achieving electrical isolation, the selected materials should still meet the necessary performance criteria for the specific application. The coupling must retain its ability to transmit torque, accommodate misalignment, and provide damping characteristics as required.
  5. Environmental Factors: Consideration should also be given to the environmental conditions of the application, such as temperature, humidity, and chemical exposure. The chosen materials should be compatible with the operating environment to ensure long-term reliability.

By carefully selecting appropriate materials and incorporating insulating features, flexible flange couplings can effectively provide electrical isolation between shafts while fulfilling the mechanical and functional requirements of the machinery or equipment. This enables the safe and reliable operation of electrical systems without the risk of electrical currents passing through the coupling and connected components.

flexible flange coupling

Flexible Flange Couplings for Pumps, Compressors, and Marine Propulsion Systems

Yes, flexible flange couplings are suitable for use in pumps, compressors, and marine propulsion systems. These couplings offer several advantages that make them well-suited for such applications:

  • Misalignment Tolerance: Pumps, compressors, and marine propulsion systems often experience misalignments due to thermal expansion, vibration, or other factors. Flexible flange couplings can accommodate both angular and axial misalignments, ensuring smooth operation and reducing stress on the connected equipment.
  • Vibration Damping: These coupling types are designed to dampen vibrations, which is crucial in pump and compressor applications where excessive vibration can lead to equipment damage and premature wear. The vibration damping properties help improve the overall system’s reliability and reduce maintenance requirements.
  • High Torque Transmission: Pumps, compressors, and marine propulsion systems often require high torque transmission to handle heavy loads and provide efficient power transfer. Flexible flange couplings are capable of transmitting high torques, making them suitable for these demanding applications.
  • Electrical Isolation: In some cases, electrical isolation between shafts is necessary to prevent the transfer of electrical currents or static electricity. Flexible flange couplings made from insulating materials can provide this isolation, ensuring safe and efficient operation in certain pump and compressor applications.
  • Corrosion Resistance: Marine propulsion systems are exposed to harsh environments with high humidity and saltwater exposure. Flexible flange couplings made from materials such as stainless steel or corrosion-resistant alloys can withstand these conditions, offering extended service life and reliable performance.
  • Easy Installation and Maintenance: Flexible flange couplings are relatively easy to install and require minimal maintenance, making them attractive choices for various industrial applications, including pumps, compressors, and marine propulsion systems.
  • Compact Design: Space may be limited in pumps, compressors, and marine propulsion systems. Flexible flange couplings have a compact design, which helps in integrating them into the equipment without significant modifications.

Overall, flexible flange couplings are versatile and can be customized to suit specific requirements, making them well-suited for use in pumps, compressors, and marine propulsion systems. However, it’s essential to consider factors such as torque capacity, material compatibility, operating conditions, and system requirements to select the most appropriate coupling for each application.

flexible flange coupling

Selecting the Right Flexible Flange Coupling for Specific Machinery or Equipment

Choosing the appropriate flexible flange coupling involves considering several factors to ensure optimal performance and longevity. Here are the key steps to guide the selection process:

  1. Load and Torque Requirements: Determine the maximum torque and load that the coupling will experience during operation. Select a coupling that can handle these loads without exceeding its rated capacity.
  2. Misalignment Compensation: Assess the expected misalignment between the shafts. Different coupling types have varying degrees of misalignment capabilities, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the specific misalignment in your application.
  3. Speed: Consider the rotational speed of the machinery or equipment. High-speed applications may require couplings with good balance and vibration-damping properties to avoid resonance and ensure smooth operation.
  4. Vibration Damping: Evaluate the level of vibration present in the system. If vibration damping is critical, elastomeric couplings or disc couplings may be more suitable choices.
  5. Space Constraints: Take into account the available space for the coupling. Some couplings have a compact design, making them suitable for tight spaces.
  6. Environmental Factors: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a coupling material that can withstand these conditions without corrosion or degradation.
  7. Serviceability: Assess the ease of installation and maintenance. Some couplings allow for easy replacement without disassembling the connected machinery.
  8. Cost: Compare the cost of different coupling options and balance it with the required performance and reliability for your application.

Conclusion: Properly selecting a flexible flange coupling involves understanding the specific requirements of the machinery or equipment, as well as the operating conditions it will be subjected to. By considering factors such as load, misalignment, speed, and environmental conditions, you can make an informed decision and choose the right coupling that ensures efficient power transmission and minimizes the risk of premature failure.

China best Best Price Fras Tyre Rubber C45 Steel Flange Shaft Flexible Tyre Coupling of F40~F250b/F/H and Other Type Shaft Coupling  China best Best Price Fras Tyre Rubber C45 Steel Flange Shaft Flexible Tyre Coupling of F40~F250b/F/H and Other Type Shaft Coupling
editor by CX 2024-02-25

China wholesaler Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex

Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

Product Display:                                                                                                                                                        
 

 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible coupling

How do you install and align a flexible coupling properly to ensure optimal performance?

Proper installation and alignment of a flexible coupling are essential to ensure its optimal performance and longevity. Incorrect installation can lead to premature wear, increased vibrations, and potential equipment failure. Below are the steps to install and align a flexible coupling properly:

1. Pre-Installation Inspection:

Before installation, inspect the flexible coupling and its components for any visible damage or defects. Check that the coupling’s size and specifications match the application requirements. Ensure that the shafts and equipment connected to the coupling are clean and free from debris.

2. Shaft Preparation:

Prepare the shafts by removing any oil, grease, or contaminants from the surfaces that will come into contact with the coupling. Ensure that the shaft ends are smooth and free from burrs that could affect the fit of the coupling.

3. Coupling Hub Installation:

Slide the coupling hubs onto the shafts, ensuring they are positioned securely and evenly on each shaft. Use a lubricant recommended by the manufacturer to facilitate the installation and ensure a proper fit.

4. Alignment:

Proper alignment is critical for the performance and longevity of the flexible coupling. Align the shafts by checking both angular and parallel misalignment. Utilize precision alignment tools, such as dial indicators or laser alignment systems, to achieve accurate alignment. Follow the manufacturer’s alignment specifications and tolerance limits.

5. Tightening Fasteners:

Once the shafts are properly aligned, tighten the coupling’s fasteners to the manufacturer’s recommended torque values. Gradually tighten the fasteners in a cross pattern to ensure even distribution of the load on the coupling hubs. Avoid over-tightening, as it may cause distortion or damage to the coupling.

6. Run-Out Check:

After installation, perform a run-out check to verify that the coupling’s rotating components are balanced and aligned. Excessive run-out can lead to vibrations and reduce the coupling’s performance. If significant run-out is detected, recheck the alignment and address any issues that may be causing it.

7. Lubrication:

Ensure that the flexible coupling is adequately lubricated, following the manufacturer’s recommendations. Proper lubrication reduces friction and wear, enhancing the coupling’s efficiency and reliability.

8. Periodic Inspection and Maintenance:

Regularly inspect the flexible coupling for signs of wear, misalignment, or damage. Address any issues promptly to prevent further problems. Depending on the coupling type and application, scheduled maintenance may include re-greasing, re-alignment, or replacing worn components.

Summary:

Proper installation and alignment are crucial for ensuring the optimal performance and longevity of a flexible coupling. Following the manufacturer’s guidelines, inspecting the components, achieving accurate alignment, and using the appropriate lubrication are key steps in the installation process. Regular inspection and maintenance help to identify and address potential issues, ensuring the coupling continues to operate smoothly and efficiently in the mechanical system.

flexible coupling

What are the key considerations for selecting a flexible coupling for high-speed applications?

When selecting a flexible coupling for high-speed applications, several critical considerations should be taken into account to ensure optimal performance and reliability:

  • Material and Design: Choose a flexible coupling made from high-quality materials that can withstand the high rotational speeds without experiencing excessive wear or fatigue. Consider designs that are specifically engineered for high-speed applications, ensuring they have the required torsional stiffness and damping characteristics.
  • Balance: Imbalance at high speeds can lead to vibration and reduce the lifespan of the coupling and connected components. Look for precision-balanced flexible couplings that minimize vibration and avoid any potential resonance issues at operating speeds.
  • Torsional Stiffness: In high-speed applications, torsional stiffness is crucial to maintaining accurate rotational timing and preventing torque losses. Choose a flexible coupling with adequate torsional stiffness to minimize angular deflection under load.
  • Dynamic Balancing: Dynamic balancing is essential for flexible couplings used in high-speed applications. A dynamically balanced coupling reduces vibrations caused by rotational imbalances, increasing the smoothness and stability of the system.
  • Temperature Resistance: High-speed operations can generate significant heat, so select a flexible coupling that can withstand the elevated temperatures without compromising its mechanical properties or causing premature failure.
  • Alignment and Runout Tolerance: Accurate alignment of the coupling with the shafts is crucial to prevent additional stress and vibration. Consider couplings with high runout tolerance and ease of alignment to facilitate proper installation.
  • Service Life and Maintenance: Evaluate the expected service life of the flexible coupling in high-speed applications. Low-maintenance couplings are desirable to reduce downtime and maintenance costs.
  • Application Specifics: Consider the specific requirements of the high-speed application, such as the magnitude of torque, axial movement, and the presence of shock loads. Choose a coupling that can handle these specific demands while maintaining performance at high speeds.
  • Compliance with Standards: Ensure that the selected flexible coupling complies with relevant industry standards and specifications, especially those related to high-speed performance and safety.

By carefully considering these key factors, engineers can choose a flexible coupling that meets the demands of high-speed applications, delivering reliable and efficient power transmission while minimizing the risk of premature wear, vibration, and downtime.

flexible coupling

Can flexible couplings be used in corrosive or harsh environments?

Yes, flexible couplings can be designed and selected to be used in corrosive or harsh environments. The choice of materials and coatings plays a crucial role in ensuring the coupling’s durability and performance under challenging conditions.

Corrosion-Resistant Materials:

In corrosive environments, it is essential to use materials that can withstand chemical attacks and oxidation. Stainless steel, specifically grades like 316 or 17-4 PH, is commonly chosen for flexible couplings in such situations. Stainless steel offers excellent corrosion resistance, making it suitable for applications where the coupling may come into contact with corrosive substances or moisture.

Special Coatings:

For certain harsh environments, coupling manufacturers may apply special coatings to enhance the coupling’s corrosion resistance. Examples of coatings include zinc plating, nickel plating, or epoxy coatings. These coatings provide an additional layer of protection against corrosive agents and help extend the coupling’s lifespan.

Sealed Designs:

In environments where the coupling is exposed to contaminants like dust, dirt, or moisture, sealed designs are preferred. Sealed flexible couplings prevent these substances from entering the coupling’s internal components, thus reducing the risk of corrosion and wear. The sealed design also helps to maintain the coupling’s performance over time in challenging conditions.

High-Temperature Applications:

For harsh environments with high temperatures, flexible couplings made from high-temperature resistant materials, such as certain heat-resistant stainless steels or superalloys, can be used. These materials retain their mechanical properties and corrosion resistance even at elevated temperatures.

Chemical Resistance:

For applications where the coupling might encounter chemicals or solvents, it is essential to select a coupling material that is chemically resistant. This prevents degradation and ensures the coupling’s integrity in such environments.

Specialized Designs:

In some cases, where the environment is exceptionally harsh or unique, custom-designed flexible couplings may be necessary. Engineering a coupling to meet the specific demands of the environment ensures optimal performance and reliability.

Consultation with Manufacturers:

When considering flexible couplings for corrosive or harsh environments, it is advisable to consult with coupling manufacturers or engineering experts. They can provide valuable insights and recommend suitable materials, coatings, and designs based on the specific operating conditions.

Summary:

Flexible couplings can indeed be used in corrosive or harsh environments, provided the appropriate materials, coatings, and designs are chosen. Stainless steel, sealed designs, and special coatings are some of the solutions that enhance the coupling’s corrosion resistance and performance. It is essential to consider the specific environment and application requirements when selecting a flexible coupling to ensure optimal functionality and durability in challenging conditions.

China wholesaler Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex  China wholesaler Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-02-25