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

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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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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.

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.

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.

editor by CX 2024-03-27