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

 

Specific Safety Considerations when Using Universal Couplings

Universal couplings are essential components in many mechanical systems, and their proper use is critical for the safety of personnel and the integrity of the equipment. Here are some specific safety considerations when using universal couplings:

1. Regular Inspections: Perform routine inspections of the universal coupling to check for signs of wear, damage, or misalignment. Any issues should be addressed promptly to prevent potential accidents.
2. Proper Installation: Ensure that the universal coupling is installed correctly and securely. Follow the manufacturer’s guidelines and torque specifications for tightening bolts, set screws, or clamps.
3. Shaft Locking Mechanisms: If the universal coupling uses set screws or clamps to secure the shafts, ensure that these locking mechanisms are adequately tightened and checked periodically to prevent shaft slippage during operation.
4. Correct Coupling Selection: Choose the appropriate universal coupling based on the specific application’s torque, speed, and misalignment requirements. Using an undersized coupling can lead to premature failure and safety hazards.
5. Misalignment Limits: Stay within the manufacturer’s specified misalignment limits for the universal coupling. Excessive misalignment can lead to increased stress on the coupling and connected components, potentially causing failure.
6. Guarding and Enclosure: If the universal coupling is exposed or accessible to personnel, consider installing guarding or enclosures to prevent accidental contact and reduce the risk of injury.
7. Training and Awareness: Ensure that personnel working with or around machinery equipped with universal couplings receive proper training and understand the potential hazards associated with these components.
8. Maintenance and Lubrication: Follow a regular maintenance schedule and lubricate the universal coupling as recommended by the manufacturer. Proper lubrication reduces friction and wear, contributing to safe and reliable operation.
9. Emergency Stop: Equip the machinery with an emergency stop system that allows operators to quickly shut down the equipment in case of an emergency or abnormal condition.
10. Consult the Manufacturer: If there are any concerns or questions about the safety aspects of using a universal coupling in a specific application, consult the manufacturer or a qualified engineer for guidance.

By adhering to these safety considerations and implementing proper installation, maintenance, and operational practices, the use of universal couplings can be safer and more effective in power transmission applications.

Can a Universal Coupling Reduce Vibration and Noise in Mechanical Systems?

Yes, a universal coupling can help reduce vibration and noise in mechanical systems, especially in applications where misalignment is a concern. Universal couplings are designed to accommodate angular misalignment between shafts, which can arise due to various factors such as manufacturing tolerances, thermal expansion, or dynamic forces.

When shaft misalignment occurs in a mechanical system, it can lead to vibration and noise during operation. This is because misaligned shafts cause uneven distribution of forces and result in increased stresses on bearings, shafts, and other connected components. The resulting vibration and noise can be detrimental to the performance, efficiency, and lifespan of the machinery.

By using a universal coupling, the coupling’s design allows it to compensate for angular misalignment and minimize the transmission of misalignment-induced vibrations to the connected equipment. The flexibility of the universal coupling allows it to handle moderate angular misalignments while transmitting torque smoothly between shafts. This reduces the stresses on the connected components and mitigates the vibration and noise levels.

However, it is important to note that while universal couplings can help reduce vibration and noise caused by angular misalignment, they may not address other sources of vibration and noise in the system. For example, if the vibration is primarily caused by unbalanced rotating parts, worn bearings, or other factors unrelated to misalignment, a universal coupling alone may not be sufficient to eliminate the issue.

Overall, when selecting a universal coupling for a specific application, it is essential to consider the level of misalignment it can handle, the type of vibration and noise issues present, and whether additional measures are required to address other sources of vibration and noise in the mechanical system.

Choosing the Right Universal Coupling for a Specific Application

When selecting a universal coupling for a particular application, several factors need to be considered to ensure optimal performance and reliability:

• Load and Torque Requirements: Determine the maximum load and torque that the coupling will experience during operation. Choose a universal joint that can handle these loads without exceeding its rated capacity.
• Speed: Consider the operating speed of the application as high-speed applications may require different coupling designs to ensure smooth power transmission.
• Shaft Sizes: Measure the diameters of the shafts that need to be connected. The universal coupling should have compatible shaft bores to ensure a proper fit.
• Angular Misalignment: Evaluate the angle between the shafts that the universal joint needs to accommodate. Choose a universal coupling with the appropriate angular misalignment capability to avoid excessive stress on the components.
• Environmental Conditions: Consider the environmental factors such as temperature, humidity, dust, and corrosive agents. Choose a coupling made from materials suitable for the specific conditions to ensure longevity and reliability.
• Space Limitations: Evaluate the available space for the coupling installation. Ensure that the chosen universal joint can fit within the constraints of the system.
• Serviceability: Consider the ease of maintenance and the availability of replacement parts if needed. Opt for a universal coupling that is easy to access and service when required.
• Application Type: Determine the specific application type, such as automotive, industrial machinery, marine, aerospace, etc. Different applications may require unique coupling designs and materials to meet their demands.
• Alignment Frequency: If the system experiences frequent misalignments, consider using constant velocity joints (CV joints) that maintain a constant speed ratio between input and output shafts even at different angles.

By carefully considering these factors and matching the specifications of the universal coupling to the specific application requirements, you can ensure reliable and efficient power transmission and minimize the risk of premature coupling failure.

editor by CX 2023-10-03