Product Description

Hot Sale Flexible Shaft Coupler Clamp Coupling Machining Aluminum Double Diaphragms Coupling
 

Product Description

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. 

Our leading mainly including universal couplings, drum gear couplings, elastic couplings etc.
Main production equipments:
Large lathe, surface grinder, milling machine, 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, 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.

Product Parameters

Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector etc.
  
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.

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.
               Q: Why choose Shengao product?
               A: We have our own factory, therefore, we can surely promise the quality of product and provide 
                   you competitive price.

               Q: Do you provide OEM Service?
               A: Yes, we provide OEM Service.

               Q: Do you provide customized machining parts?
               A: Yes. Customers give us drawings and specifications, and we will produce accordingly.

               Q: What is your payment term?
               A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

               If there’s anything we can help, please feel free to contact with us.

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Can Clamp Couplings Be Used in High-Temperature or Corrosive Environments?

Yes, clamp couplings are designed to be versatile and can be used in a wide range of environments, including high-temperature and corrosive conditions. However, their suitability depends on the specific material and coating used in the construction of the coupling.

In high-temperature environments, clamp couplings made from materials such as stainless steel or high-temperature alloys are commonly used. These materials have excellent heat resistance and can withstand elevated temperatures without losing their structural integrity. It is essential to choose a clamp coupling with a temperature rating that exceeds the operating temperature of the application to ensure safe and reliable performance.

In corrosive environments where exposure to chemicals, moisture, or other corrosive substances is a concern, selecting a corrosion-resistant material is critical. Stainless steel clamp couplings, particularly those made from 316-grade stainless steel, are widely used in such conditions due to their superior corrosion resistance. For more aggressive corrosive environments, special coatings or surface treatments can be applied to further enhance the coupling’s resistance to corrosion.

It is essential to consider the specific requirements of the application when selecting a clamp coupling for use in high-temperature or corrosive environments. Factors such as temperature, humidity, exposure to chemicals, and the presence of abrasive substances should be taken into account. Consulting with coupling manufacturers or industry experts can help in choosing the most suitable clamp coupling for the intended application.

Potential Causes of Failure in Clamp Couplings and Prevention

While clamp couplings are robust and reliable, certain factors can lead to failure if not addressed properly. Here are some potential causes of failure and the corresponding prevention measures:

1. Insufficient Torque: If the coupling is not tightened to the recommended torque, it may slip or come loose during operation. To prevent this, always follow the manufacturer’s torque specifications and use a torque wrench during installation.
2. Material Fatigue: Repeated load cycles and excessive vibration can lead to material fatigue and eventual failure. Choosing high-quality materials and performing regular inspections can help detect fatigue and replace the coupling before failure occurs.
3. Corrosion: In corrosive environments, the coupling’s material may degrade over time, compromising its strength. Using stainless steel or other corrosion-resistant materials can prevent this issue.
4. Improper Alignment: Misalignment between shafts can put undue stress on the coupling, leading to premature failure. Properly align the shafts during installation to avoid this problem.
5. Overloading: Exceeding the maximum torque or speed limits specified by the manufacturer can cause the coupling to fail. Stay within the recommended operating parameters to prevent overloading.
6. Temperature Extremes: Extreme temperatures can affect the material properties and cause the coupling to become brittle or lose its integrity. Select a coupling rated for the operating temperature range of the application.
7. Poor Maintenance: Neglecting regular maintenance can lead to undetected wear, damage, or contamination, which may ultimately result in failure. Implement a proactive maintenance schedule and inspect the coupling regularly.
8. Foreign Object Debris (FOD): Foreign particles or debris caught between the coupling components can lead to uneven loads and wear. Keep the coupling and its surroundings clean to avoid FOD-related issues.
9. Improper Installation: Incorrectly installing the coupling, such as using incorrect fasteners or not following the manufacturer’s guidelines, can compromise its performance and durability. Always refer to the installation instructions and seek professional help if needed.
10. Environmental Factors: Consider the specific environmental conditions of the application, such as humidity, chemicals, or abrasive substances, and select a coupling that can withstand these conditions.

By understanding and addressing these potential causes of failure, users can ensure the longevity and reliable performance of clamp couplings in their mechanical systems.

Different Types of Clamp Couplings

Clamp couplings come in various designs to accommodate different shaft sizes, torque levels, and application requirements. Some common types of clamp couplings available in the market include:

1. Two-Piece Clamp Couplings: This type of coupling consists of two separate hubs that are connected by a clamp. The clamp is tightened to secure the two hubs onto the shafts, creating a rigid connection. Two-piece clamp couplings are easy to install and suitable for applications with moderate torque and misalignment.
2. One-Piece Clamp Couplings: As the name suggests, one-piece clamp couplings have a single-piece construction, which simplifies the installation process. They provide a compact and lightweight solution for low to medium torque applications.
3. Double-Walled Clamp Couplings: These couplings have a unique double-walled design, providing better torque transmission capabilities and torsional rigidity. They are ideal for applications with high torque and precise positioning requirements.
4. Set Screw Clamp Couplings: Set screw clamp couplings use set screws to secure the coupling onto the shaft. While they are simple and cost-effective, they may not handle high torque and misalignment as effectively as other types.
5. Wedge Clamp Couplings: Wedge clamp couplings use a wedge-shaped collar to create a tight grip on the shaft. They offer excellent torque transmission and axial holding power, making them suitable for heavy-duty applications.
6. Keyless Clamp Couplings: Keyless clamp couplings eliminate the need for keyways and key connection. Instead, they use compression to secure the coupling to the shaft, providing high torque capacity and easy installation.
7. Hydraulic Clamp Couplings: Hydraulic clamp couplings use hydraulic pressure to tighten the clamp, ensuring uniform pressure distribution and secure shaft connections. They are commonly used in high-power and critical applications.
8. Clamp Couplings with Tapered Bushings: These couplings feature tapered bushings that provide a tight fit on the shaft and enhance torque transmission capabilities. They are suitable for heavy-duty applications and high misalignment conditions.

The selection of the appropriate clamp coupling depends on the specific requirements of the mechanical system, such as torque levels, shaft sizes, misalignment allowances, and operating conditions. Consulting with coupling manufacturers or engineering experts can help in choosing the right type of clamp coupling for a particular application.

editor by CX 2024-05-14