China Professional 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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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 gear coupling

Maintenance Requirements for Flexible Gear Couplings

To extend the lifespan and ensure optimal performance of flexible gear couplings, regular maintenance is essential. Here are the key maintenance requirements:

  • Lubrication: Proper lubrication is crucial for flexible gear couplings. Regularly inspect the coupling’s lubrication system and ensure it is filled with the recommended lubricant. Adequate lubrication reduces friction, wear, and heat generation, leading to smoother operation and increased lifespan.
  • Inspection: Regularly inspect the flexible gear coupling for signs of wear, damage, or misalignment. Look for unusual vibrations, noise, or temperature increases during operation, as these may indicate issues that need attention.
  • Torque Monitoring: Periodically check the torque levels to ensure they are within the coupling’s specified limits. Overloading the coupling can lead to premature wear and failure.
  • Bolt Tightening: Check and tighten the coupling bolts as needed. Vibrations and continuous operation can cause bolts to loosen over time, affecting the coupling’s performance.
  • Alignment: If misalignment is detected during inspection, address it promptly. Proper shaft alignment is crucial for the coupling’s longevity and smooth operation.
  • Environmental Considerations: Be mindful of the operating environment. In harsh conditions, such as corrosive or high-temperature environments, additional protective measures may be necessary to safeguard the coupling’s integrity.

Following these maintenance practices will help prevent premature wear, reduce downtime, and extend the lifespan of flexible gear couplings, ensuring reliable and efficient power transmission in the long run.

flexible gear coupling

Potential Causes of Failure in Flexible Gear Couplings and Prevention

Flexible gear couplings, like any mechanical component, may experience failures if not properly maintained or operated. Some potential causes of failure and ways to prevent them include:

  • Misalignment: Misalignment between the shafts can cause excessive stress on the coupling components, leading to failure. Regularly check and align the shafts to ensure they are properly aligned within specified tolerances.
  • Overloading: Exceeding the rated torque capacity of the coupling can result in premature failure. Always operate within the recommended torque limits and avoid sudden shock loads.
  • Poor Lubrication: Inadequate or improper lubrication can lead to increased friction, wear, and overheating. Follow the manufacturer’s guidelines for lubrication frequency and use the correct type of lubricant.
  • Corrosion: Exposure to corrosive environments can degrade the coupling’s material over time. Select couplings made from corrosion-resistant materials or use protective coatings when necessary.
  • Fatigue: Cyclic loading and continuous operation can cause fatigue failure in flexible gear couplings. Ensure the coupling is rated for the application’s required number of cycles and replace it if it shows signs of fatigue or wear.
  • Temperature: Operating the coupling at temperatures beyond its limits can lead to material degradation and reduced performance. Check the coupling’s temperature rating and operate within the specified range.

Regular inspection, maintenance, and adherence to the manufacturer’s guidelines are essential to prevent failure and ensure the reliable performance of flexible gear couplings. Implementing preventive measures can extend the couplings’ lifespan, minimize downtime, and enhance the overall efficiency of the machinery they are part of.

flexible gear coupling

Handling High Torque Loads and Maintaining Constant Velocity Transmission in Flexible Gear Couplings

Flexible gear couplings are designed to handle high torque loads and maintain constant velocity transmission between the connected shafts. The unique construction of flexible gear couplings allows them to achieve these characteristics:

1. High Torque Capacity: The design of flexible gear couplings includes robust gear teeth that engage with each other. These gear teeth transmit torque from one shaft to the other efficiently. The use of high-quality materials and precise manufacturing ensures that the coupling can handle substantial torque loads without failure or deformation.

2. Constant Velocity Transmission: The meshing of the gear teeth in flexible gear couplings provides a positive drive, ensuring constant velocity transmission between the input and output shafts. This means that the rotational speed of the output shaft remains consistent with that of the input shaft, even under varying torque conditions.

These features make flexible gear couplings suitable for various industrial applications, including heavy machinery, high-power drives, and equipment requiring precise speed control.

China Professional 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 Professional 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 2024-04-12


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