China Best Sales 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

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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

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

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

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 Best Sales 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 Best Sales 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 2024-04-16