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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spline coupling

What are the best practices for installing a mechanical coupling correctly?

Proper installation of a mechanical coupling is essential to ensure its optimal performance and prevent premature failure. Follow these best practices when installing a mechanical coupling:

1. Clean the Shaft Ends:

Before installation, ensure that the shaft ends are clean and free from dirt, debris, and any old coupling remnants. Clean the shafts using a suitable solvent if necessary.

2. Verify Shaft and Bore Dimensions:

Check the dimensions of the shaft and bore to ensure they match the coupling’s specifications. Ensure that the shaft and bore diameters, keyway sizes, and lengths are correct for the specific coupling.

3. Lubricate Contact Surfaces:

Apply a thin layer of appropriate lubricant to the contact surfaces of the shaft and coupling bore. This helps in easy installation and minimizes the risk of galling or damage during assembly.

4. Align Shaft and Coupling:

Align the shafts and coupling properly before installing. Avoid forcing the coupling onto the shaft; it should slide smoothly into position.

5. Use Proper Installation Tools:

Use the recommended installation tools or methods provided by the coupling manufacturer. Using improper tools may lead to damage or misalignment of the coupling.

6. Tighten Fasteners Gradually and Evenly:

If the coupling uses set screws, bolts, or any fasteners, tighten them gradually and evenly in a criss-cross pattern. This ensures uniform distribution of pressure and prevents distortion.

7. Check for Proper Keyway Fit:

If the coupling utilizes keyways, ensure that the keys fit snugly into both the shaft and the coupling keyway to prevent movement or slippage.

8. Verify Proper Torque:

If the coupling requires a specific torque value for installation, use a torque wrench to achieve the correct tightening. Avoid over-torquing as it may damage the coupling or cause premature wear.

9. Inspect for Runout and Alignment:

After installation, inspect the coupling for runout and alignment. Verify that the shafts are concentric and parallel, as misalignment can lead to premature coupling failure.

10. Conduct Regular Inspections:

Perform regular inspections and maintenance of the coupling during its operational life. Check for signs of wear, misalignment, or damage and address any issues promptly.

Adhering to these best practices ensures that the mechanical coupling is installed correctly and operates as intended. Proper installation increases the coupling’s longevity, minimizes the risk of downtime, and contributes to the overall efficiency and reliability of the mechanical system.

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Real-world examples of mechanical coupling applications in different industries.

Mechanical couplings play a vital role in numerous industries, connecting shafts and transmitting torque between various mechanical components. Here are some real-world examples of mechanical coupling applications in different industries:

1. Manufacturing Industry:

In manufacturing plants, mechanical couplings are used in conveyor systems to connect motors to rollers or pulleys, enabling the movement of materials along assembly lines. They are also found in machine tools, such as lathes and milling machines, to transmit torque from the motor to the cutting tools.

2. Automotive Industry:

In the automotive sector, mechanical couplings are used in the powertrain to connect the engine to the transmission and wheels. They enable the transmission of torque from the engine to the wheels, allowing the vehicle to move. Couplings like universal joints (U-joints) are used in the drive shaft to accommodate the misalignment between the engine and the rear axle.

3. Aerospace Industry:

In the aerospace industry, mechanical couplings are used in aircraft engines to transmit torque from the turbine to the propellers or fans. They are also found in flight control systems to connect the pilot’s controls to the aircraft’s control surfaces, allowing for precise maneuvering.

4. Marine Industry:

In ships and boats, mechanical couplings are used in propulsion systems to connect the engine to the propeller shaft. They are also found in steering systems to connect the steering wheel to the rudder, enabling navigation and control of the vessel.

5. Oil and Gas Industry:

In the oil and gas sector, mechanical couplings are used in pumps and compressors to connect the electric motor or engine to the rotating shaft, facilitating the pumping or compression of fluids and gases. They are also used in drilling equipment to transmit torque from the drilling motor to the drill bit.

6. Mining Industry:

In mining operations, mechanical couplings are used in conveyors to transport mined materials, connecting motors to conveyor belts. They are also used in crushers and grinding mills to transmit torque from the motors to the crushing or grinding equipment.

7. Renewable Energy Industry:

In renewable energy applications, mechanical couplings are used in wind turbines to connect the rotor blades to the main shaft, enabling the conversion of wind energy into electricity. They are also used in hydroelectric power plants to connect the turbines to the generators.

8. Construction Industry:

In construction equipment, mechanical couplings are used in excavators, bulldozers, and other machinery to transmit torque from the engine to the hydraulic pumps and other working components.

These are just a few examples of how mechanical couplings are used across various industries to ensure efficient power transmission and smooth operation of a wide range of mechanical systems and equipment.

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Advantages of using mechanical couplings in power transmission systems.

Mechanical couplings offer several advantages when used in power transmission systems, making them a preferred choice in various industrial applications. Some of the key advantages include:

  • Torque Transmission: Mechanical couplings efficiently transmit torque from one shaft to another, enabling the transfer of power between different components of the system.
  • Misalignment Compensation: Many mechanical couplings can accommodate axial, radial, and angular misalignments between connected shafts, ensuring smooth operation even when precise alignment is challenging to achieve or maintain.
  • Vibration Damping: Some types of mechanical couplings, particularly flexible couplings, dampen vibrations caused by imbalances or load fluctuations. This feature reduces wear on components and improves overall system stability.
  • Shock Absorption: Certain flexible couplings have the ability to absorb shocks and impacts, protecting the connected equipment from sudden force variations and preventing damage.
  • Easy Installation: Mechanical couplings are generally easy to install and replace. Their modular design simplifies maintenance and reduces downtime in case of coupling failure.
  • Load Distribution: Mechanical couplings evenly distribute the load between connected shafts, preventing premature wear and reducing the chances of component failure.
  • Compact Design: Mechanical couplings come in various compact designs, allowing for efficient power transmission without adding significant bulk to the system.
  • Customizability: Manufacturers offer a wide range of mechanical couplings with different sizes, materials, and features to meet specific application requirements, giving engineers the flexibility to choose the most suitable coupling for their systems.
  • Cost-Effectiveness: Mechanical couplings are generally cost-effective compared to more complex power transmission methods, making them a practical choice for many industrial applications.
  • Safety: Some mechanical couplings, like shear-pin or torque-limiting couplings, act as safety features, disconnecting or slipping when the system experiences overload, preventing damage to expensive components.

These advantages make mechanical couplings indispensable in power transmission systems across various industries, including manufacturing, automotive, aerospace, marine, and more. Their ability to efficiently transmit power, accommodate misalignments, and protect the equipment ensures reliable and smooth operation of mechanical systems, contributing to overall system performance and longevity.

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China Standard 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   spline couplingChina Standard 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   spline coupling
editor by CX 2024-05-10