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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Troubleshooting Common Issues with Tyre Couplings and Their Solutions

Tyre couplings, like any mechanical component, may encounter issues during their service life. Identifying and addressing these issues promptly is crucial to maintain the efficiency and reliability of the coupling and the connected machinery. Here are some common problems that may arise with tyre couplings and their potential solutions:

• 1. Misalignment: Misalignment between the shafts can lead to premature wear, increased vibration, and reduced coupling performance. Inspect the coupling for any signs of misalignment, such as abnormal wear on the tyre or coupling hubs. To solve this issue, realign the shafts within acceptable tolerances or consider using a tyre coupling with higher misalignment capability if necessary.
• 2. Excessive Vibration: Excessive vibration may indicate torsional vibration issues or misalignment. Check for any signs of damaged or worn components and ensure that the tyre coupling is adequately rated for the application’s speed and torque requirements. If vibration persists, consider using a tyre coupling with improved damping capabilities or consult with an engineer to identify the root cause.
• 3. Overheating: Overheating can be caused by excessive torque or overloading, inadequate ventilation, or operating beyond the temperature limits of the coupling. Verify that the coupling is appropriately sized for the application’s torque requirements and check for any obstructions hindering proper cooling. If the temperature exceeds the specified limits, consider using a high-temperature variant of the coupling or implementing cooling measures.
• 4. Abnormal Noise: Unusual noises, such as knocking or rattling, may indicate loose bolts, worn rubber elements, or misalignment. Inspect the coupling for loose connections and replace any damaged or worn parts. Additionally, verify the alignment and adjust if needed to eliminate the noise.
• 5. Cracks or Tears in the Tyre: Cracks or tears in the rubber tyre element can compromise the coupling’s flexibility and damping properties. Inspect the tyre regularly and replace it if any damage is detected. It is essential to use the correct replacement tyre recommended by the manufacturer.
• 6. Coupling Slippage: Slippage between the coupling and the shafts may occur due to inadequate tightening of the bolts or insufficient keying. Check the tightness of the bolts and ensure that they are torqued to the manufacturer’s specifications. If slippage persists, verify the keying or consider using a more secure keying method.

When troubleshooting tyre coupling issues, always refer to the manufacturer’s guidelines and technical documentation for specific solutions and recommendations. Regular inspections, preventive maintenance, and adherence to the manufacturer’s guidelines can help prevent and resolve problems, ensuring the smooth and efficient operation of tyre couplings and the connected machinery.

Can Tyre Couplings Accommodate Angular and Axial Misalignments Simultaneously?

Yes, tyre couplings are designed to accommodate both angular and axial misalignments simultaneously. The unique design of tyre couplings allows them to flex in multiple directions, making them highly versatile in compensating for various types of misalignments between the connected shafts.

The elastomeric tyre element of the coupling provides the necessary flexibility to accommodate angular misalignment. As the shafts rotate and their axes deviate from a perfect alignment, the tyre element deforms slightly to allow for the angular displacement. This helps reduce the reactive forces and torques that would otherwise be transmitted to the connected machinery, preventing excessive wear and damage.

Moreover, the tyre element’s elastic properties enable it to absorb axial misalignment as well. When one shaft moves axially relative to the other, the tyre element compresses or expands to accommodate the axial displacement. This feature is particularly beneficial in applications where axial movement is common, such as in reciprocating machinery.

By simultaneously accommodating angular and axial misalignments, tyre couplings help to minimize the stresses on the machinery and ensure smoother power transmission. However, it is essential to ensure that the misalignments are within the specified limits recommended by the coupling manufacturer to prevent overloading and premature wear of the coupling components.

In conclusion, tyre couplings are well-suited for applications with combined angular and axial misalignments, providing a reliable and efficient solution for power transmission in various industrial settings.

How to Properly Install and Maintain a Tyre Coupling?

Proper installation and maintenance of a tyre coupling are essential to ensure its reliable performance and longevity. Follow these steps for the correct installation and ongoing maintenance:

1. Inspect the Coupling: Before installation, carefully inspect the tyre coupling for any visible damage or defects. Check the rubber tyre element for signs of wear, cracks, or deterioration. Ensure that all components, including the hubs and fasteners, are in good condition.
2. Prepare the Shaft Ends: Clean and degrease the shaft ends that will be connected by the tyre coupling. Remove any dirt, rust, or debris to achieve a clean and smooth surface for proper coupling attachment.
3. Align the Shafts: Ensure the shafts to be coupled are properly aligned within the recommended tolerances. Misalignment can lead to premature wear and failure of the coupling. Follow the manufacturer’s guidelines for alignment specifications.
4. Insert the Tyre Element: Carefully place the rubber tyre element between the hubs of the tyre coupling. Align the hubs and the tyre element to ensure they fit together correctly.
5. Secure the Hubs: Assemble the coupling hubs around the tyre element and align them with the shaft ends. Use the appropriate fasteners (bolts or screws) and tighten them evenly and gradually in a criss-cross pattern to avoid uneven pressure on the tyre element.
6. Check for Uniform Gap: After tightening the fasteners, check for a uniform gap between the tyre element and the hubs on both sides. An even gap indicates that the tyre coupling is properly installed.
7. Lubrication: Some tyre couplings may require lubrication at the tyre-hub interface. Follow the manufacturer’s guidelines for the type and amount of lubricant to be used.
8. Perform a Test Run: After installation, perform a test run of the machinery to ensure the coupling operates smoothly without any abnormal vibrations or noises.

Maintenance:

1. Regular Inspection: Periodically inspect the tyre coupling for signs of wear, damage, or misalignment. Pay attention to the condition of the rubber tyre element and ensure it is free from cracks or degradation.
2. Torque Check: Check and retighten the fasteners at regular intervals to maintain the proper clamping force and prevent any loosening that could lead to coupling failure.
3. Lubrication: If the tyre coupling requires lubrication, adhere to the recommended lubrication schedule provided by the manufacturer.
4. Replace Worn Components: If any components, such as the rubber tyre element or fasteners, show signs of wear or damage, replace them promptly with compatible and high-quality replacements.
5. Address Misalignment: If there is any indication of misalignment during maintenance checks, take corrective measures to realign the shafts to prevent further coupling wear and potential equipment damage.
6. Keep the Environment Clean: Ensure the coupling area is kept clean and free from debris, which can contribute to premature wear and affect coupling performance.

By following proper installation procedures and conducting regular maintenance, a tyre coupling can deliver reliable and efficient performance, contributing to the smooth operation and extended lifespan of industrial machinery and equipment.

editor by CX 2024-04-29