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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Retrofitting Roller Chain Couplings for Improved Performance

Yes, roller chain couplings can be retrofitted into existing systems to improve performance and enhance power transmission capabilities. Retrofitting is a cost-effective way to upgrade the coupling system without the need for significant modifications to the existing machinery.

When considering a retrofit with roller chain couplings, it is essential to ensure that the new couplings are compatible with the existing shaft sizes and operating conditions. The dimensions of the roller chain couplings should match the space available in the system, and the torque and speed ratings should meet or exceed the requirements of the application.

The advantages of retrofitting with roller chain couplings include:

• Increased Torque Capacity: Roller chain couplings can handle higher torque loads compared to some other coupling types, providing improved power transmission capabilities.
• Better Misalignment Tolerance: Roller chain couplings can accommodate both angular and parallel misalignments, reducing stress on the connected equipment and extending its service life.
• Shock Load Absorption: The flexibility of roller chain couplings allows them to absorb shock loads, protecting the drivetrain and other mechanical components from sudden impacts.
• Reduced Downtime: Retrofitting can be a quick and straightforward process, minimizing downtime during the upgrade.

Before proceeding with the retrofit, it is essential to consult with coupling manufacturers or engineering experts to ensure the proper selection and installation of roller chain couplings. Additionally, regular maintenance and inspections are crucial to ensure continued optimal performance and reliability of the retrofitted coupling system.

Maintenance Requirements for Roller Chain Couplings

To ensure the optimal performance and longevity of roller chain couplings, regular maintenance is essential. Here are some key maintenance requirements:

• Lubrication: Regularly lubricate the roller chain and sprockets to reduce friction and wear. Use the appropriate lubricant recommended by the coupling manufacturer.
• Inspections: Periodically inspect the coupling for signs of wear, misalignment, or damage. Look for elongation or wear of the roller chain, damaged sprocket teeth, or any signs of excessive vibration.
• Tightening: Check and ensure that all fasteners, such as bolts and set screws, are properly tightened to the manufacturer’s recommended torque specifications.
• Alignment: Maintain proper alignment between the driving and driven shafts to prevent undue stress on the coupling components.
• Cleanliness: Keep the coupling and surrounding area clean and free from debris or contaminants that could interfere with its operation.
• Temperature: Avoid operating the coupling beyond its recommended temperature limits, as excessive heat can lead to premature failure.
• Replacement: Replace any worn or damaged components promptly to prevent further damage to the coupling or connected equipment.

Regular maintenance not only ensures the coupling’s optimal performance but also helps identify potential issues early, allowing for timely repairs or replacements. It is crucial to follow the manufacturer’s maintenance guidelines and schedule to ensure the coupling’s reliability and prevent unexpected failures that could disrupt operations and lead to costly downtime.

What are the Different Types of Roller Chain Couplings Used in Various Industrial Applications?

Roller chain couplings come in several variations to suit different industrial applications. The main types of roller chain couplings include:

1. Standard Roller Chain Couplings: These are the most common type of roller chain couplings, featuring two sprockets of the same size connected by a standard roller chain. They are used in general power transmission applications and are suitable for moderate torque requirements.
2. Heavy-Duty Roller Chain Couplings: As the name suggests, these couplings are designed for heavy-duty applications that require higher torque capacity. They typically have larger and stronger sprockets and chains to handle increased loads.
3. Double Roller Chain Couplings: This type of coupling includes two roller chains side by side on each sprocket. It offers higher torque transmission capabilities and increased redundancy for critical applications.
4. Idler Roller Chain Couplings: In this design, an idler sprocket is added between the driving and driven sprockets. It helps to reduce the impact of shock loads and misalignment on the coupling.
5. Spacer Roller Chain Couplings: These couplings have a spacer between the two sprockets, allowing for larger axial misalignment while maintaining torque transmission.

The choice of the roller chain coupling type depends on the specific requirements of the application, including torque, speed, misalignment, and environmental factors. Engineers and designers need to select the appropriate type of coupling to ensure reliable and efficient power transmission in their industrial machinery.

editor by CX 2024-05-16