China supplier Customized Double Disc Clamp High Torque Coupling Shaft Motor Coupling

Product Description

Customized double disc clamp high torque coupling shaft motor coupling

 

Product Name double disc clamp high torque coupling shaft motor coupling
DN mm 12~160mm
Rated Torque 25~25000 N·m
Allowable speed 15300~1500 N·m
Material 35CrMo/ZG270/45# steel/Aluminum alloy
Application Widely used in metallurgy, mining, engineering and other fields.

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Equipment

 

 

Typical case of diaphragm coupling applied to variable frequency speed control equipment

JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant

According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.

It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.

Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.

 

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clamp coupling

Are There Any Maintenance Requirements for Clamp Couplings to Ensure Their Longevity?

Yes, like any mechanical component, clamp couplings require regular maintenance to ensure their longevity and optimal performance. Proper maintenance can help prevent premature wear, reduce the risk of failure, and extend the service life of the coupling. Here are some essential maintenance practices for clamp couplings:

  • Regular Inspection: Perform visual inspections of the clamp coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any deformation in the coupling components.
  • Lubrication: Some clamp couplings may require periodic lubrication to reduce friction between moving parts. Check the manufacturer’s guidelines for the appropriate lubrication schedule and use the recommended lubricant.
  • Bolt Tightening: Ensure that all the bolts and screws securing the clamp coupling are properly tightened according to the manufacturer’s specifications. Loose bolts can lead to misalignment and coupling failure.
  • Alignment: Regularly check the alignment of the connected shafts. Misalignment can cause excessive stress on the coupling and lead to premature wear. If misalignment is detected, it should be corrected promptly.
  • Environmental Protection: If the clamp coupling is used in harsh environments, take measures to protect it from dust, debris, and corrosive substances. Use suitable covers or guards to shield the coupling from external contaminants.
  • Load Monitoring: Be aware of the operating conditions and load requirements of the machinery. Excessive loads or shock loads can impact the performance of the coupling. Avoid exceeding the coupling’s specified torque and speed limits.
  • Regular Replacement: Even with proper maintenance, clamp couplings have a finite service life. It is essential to follow the manufacturer’s recommendations for replacing the coupling at the end of its expected lifespan or if any significant wear or damage is detected.

By following these maintenance practices, operators can ensure that the clamp couplings remain in good condition and continue to function reliably. Regular maintenance not only extends the coupling’s lifespan but also enhances the safety and efficiency of the entire mechanical system. Always refer to the manufacturer’s guidelines and instructions for the specific maintenance requirements of the clamp coupling model used in the application.

clamp coupling

Impact of Clamp Coupling Design on Performance in Heavy-Duty Applications

The design of a clamp coupling plays a crucial role in determining its performance, especially in heavy-duty applications. Here are some key design factors and their impact:

  • Material Selection: The choice of material affects the strength, durability, and resistance to wear and corrosion. In heavy-duty applications, steel clamp couplings are often preferred due to their high tensile strength and ability to withstand heavy loads and torque.
  • Torsional Rigidity: Heavy-duty applications often involve transmitting high levels of torque. A clamp coupling with higher torsional rigidity will maintain the connection between shafts more effectively, minimizing backlash and ensuring accurate power transmission.
  • Hub Design: The hub of the clamp coupling should have a robust and precise design to provide a secure grip on the shafts. In heavy-duty applications, keyless and multiple screw designs are commonly used to distribute clamping forces evenly and prevent slippage.
  • Number of Screws: The number of screws used to secure the clamp coupling to the shafts can impact its holding power. More screws distributed around the circumference can provide better balance and prevent distortion under heavy loads.
  • Clamping Force: The clamping force applied by the coupling affects the torque transmission capabilities. In heavy-duty applications, it is crucial to ensure that the clamping force is sufficient to prevent slippage between the coupling and the shafts.
  • Surface Treatment: The surface of the clamp coupling can be treated to enhance its resistance to corrosion, wear, and fatigue. Surface treatments like coating or plating can significantly improve the coupling’s performance and longevity in challenging environments.
  • Alignment: Proper alignment during installation is vital to prevent premature wear and excessive stress on the coupling. In heavy-duty applications, precision alignment using alignment tools or laser systems is recommended to maintain optimal performance and prevent premature failure.

Conclusion: In heavy-duty applications, selecting a clamp coupling with the right material, torsional rigidity, hub design, number of screws, and clamping force is critical to ensuring reliable and efficient power transmission. Proper installation, regular maintenance, and adherence to manufacturer’s guidelines will further enhance the performance and longevity of the clamp coupling in heavy-duty applications.

clamp coupling

Industry Standards and Certifications for Clamp Couplings

There are several industry standards and certifications that may apply to clamp couplings, depending on their design, materials, and intended applications. These standards ensure that the clamp couplings meet specific requirements and quality benchmarks, providing confidence in their performance and reliability.

Some of the commonly recognized standards and certifications for clamp couplings include:

  • ISO 9001: This is a quality management system standard that sets requirements for the design, development, production, and service of products. Manufacturers of clamp couplings may obtain ISO 9001 certification to demonstrate their commitment to quality and continuous improvement.
  • ASME B29.1: This standard is specific to roller chain drives and includes guidelines for chain coupling dimensions and interchangeability.
  • AGMA 9002-C16: This standard, developed by the American Gear Manufacturers Association, provides guidelines for inspection practices of flexible couplings, which may include clamp couplings.
  • API 671: This standard is specific to couplings used in petroleum, chemical, and gas industry services. It sets requirements for special-purpose couplings, such as those used in compressors and pumps.
  • DNV GL Type Approval: The Det Norske Veritas Germanischer Lloyd (DNV GL) provides type approval certification for couplings used in maritime and offshore applications. This certification ensures that the coupling meets specific quality and safety standards for marine use.
  • ATEX: For couplings used in explosive atmospheres, the ATEX directive sets requirements to prevent ignition sources and ensure safety. ATEX compliance may be necessary in certain industrial settings.

It’s important to note that not all clamp couplings require certification under these standards, as the applicability depends on the specific industry and use case. Additionally, some manufacturers may adhere to their own internal quality control measures without seeking external certifications.

When selecting clamp couplings for particular applications, it’s essential to consider whether specific industry standards or certifications are necessary. Consulting with suppliers or coupling manufacturers can help ensure that the chosen clamp couplings meet the required quality and safety standards for their intended use.

China supplier Customized Double Disc Clamp High Torque Coupling Shaft Motor Coupling  China supplier Customized Double Disc Clamp High Torque Coupling Shaft Motor Coupling
editor by CX 2023-08-16