China Hot selling Double Diaphragm Elastic Coupling Clamping High Sensitivity Precision Aluminum Alloy Coupling

Product Description

Double diaphragm elastic coupling clamping high sensitivity precision aluminum alloy coupling 
 

Product Description

The diaphragm is made of 304 stainless steel. The diaphragm coupling has a super shock absorption effect. It has no noise and no wear when used, so it will have a good use effect for the compensation machine, and it will play a good advantage in various harsh environments. It can adapt to the temperature difference between high and low temperatures, and can reach the service temperature of 80 ºC below zero and 300 ºC above zero, And under such a temperature state, its normal use effect will not be affected, and no performance change will occur. 

 

Features

1, Short Double diaphragm type flexible coupling
2, High torsional rigidity, no gap connection between shaft and shaft sleeve, suitable for ultra precision control
3, Common and servo, stepping motor
4, Clockwise and counterclockwise rotation characteristics are identical
5, Low inertia, suitable for high-speed operation
6, The diaphragm is made of 304 stainless steel, which can compensate radial, angular and axial deviations
7, In case of multiple deviations, the allowable value of a single deviation will be reduced
8, Double diaphragm type can absorb deflection and eccentricity, but the whole length will be longer.

Product Parameters

 

 

 

Application

Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company. 

Packaging & Shipping

FAQ

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

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diaphragm coupling

Materials Used to Manufacture Diaphragm Couplings and Their Impact on Performance

Diaphragm couplings are manufactured using various materials, and the choice of material significantly impacts their performance in different applications. Here are some common materials used in diaphragm couplings and their impact on performance:

  1. Metallic Alloys:
  2. Stainless steel and other high-strength metallic alloys are widely used in diaphragm couplings. These materials offer excellent durability, high torsional stiffness, and resistance to wear and fatigue. They are well-suited for high-torque applications and environments with demanding operating conditions.

  3. High-Temperature Alloys:
  4. In applications where diaphragm couplings are exposed to elevated temperatures, specialized high-temperature alloys like Inconel and Hastelloy are used. These alloys can withstand extreme heat without losing their mechanical properties, making them ideal for use in industries such as steel processing and power generation.

  5. Titanium:
  6. Titanium is favored for its lightweight and excellent corrosion resistance. Diaphragm couplings made from titanium are commonly used in aerospace and marine applications where weight reduction and resistance to corrosive environments are critical.

  7. Elastomers:
  8. For certain applications that require vibration dampening and shock absorption, diaphragm couplings can be manufactured with elastomeric materials like rubber or urethane. These materials help reduce transmitted vibrations and can be found in pumps, compressors, and automotive drivetrain systems.

  9. Non-Metallic Materials:
  10. In situations where electrical isolation or non-magnetic properties are necessary, non-metallic materials like PTFE (Teflon) or polypropylene may be used. These materials are also highly resistant to chemical corrosion, making them suitable for certain chemical processing and semiconductor applications.

The choice of material impacts several aspects of diaphragm coupling performance, including:

  • Torsional Stiffness: Metallic alloys and high-temperature materials provide high torsional stiffness, ensuring efficient torque transmission and accuracy in motion control applications.
  • Corrosion Resistance: The selection of corrosion-resistant materials is crucial in applications where diaphragm couplings are exposed to corrosive environments, such as in marine or chemical industries.
  • Temperature Resistance: High-temperature alloys enable diaphragm couplings to operate effectively in environments with elevated temperatures, such as steel processing or power generation plants.
  • Weight: Materials like titanium offer lightweight advantages, making diaphragm couplings suitable for aerospace and other weight-sensitive applications.
  • Vibration Damping: Elastomeric materials provide excellent vibration dampening properties, reducing vibrations and noise in certain applications.

Manufacturers carefully select the appropriate material based on the specific requirements of the application to ensure optimal performance and reliability of the diaphragm coupling in a wide range of industries.

diaphragm coupling

Potential Causes of Failure in Diaphragm Couplings and Prevention Methods

While diaphragm couplings are designed for reliability and durability, certain factors can contribute to their failure over time. Understanding the potential causes of failure and implementing preventive measures can help maximize the lifespan and performance of diaphragm couplings. Here are some common causes of failure and the corresponding prevention methods:

  • 1. Misalignment:
  • Misalignment between the shafts connected by the diaphragm coupling can lead to increased stresses on the diaphragm and other coupling components. Over time, this can cause fatigue, cracking, or failure of the diaphragm. To prevent misalignment-related failures, ensure that the shafts are properly aligned during installation and perform regular alignment checks during maintenance.

  • 2. Overloading:
  • Subjecting the diaphragm coupling to torque levels beyond its rated capacity can lead to premature failure. Overloading can cause excessive deformation of the diaphragm, leading to fatigue and ultimately, failure. To avoid overloading, use diaphragm couplings with appropriate torque ratings for the specific application and ensure that the system operates within the recommended limits.

  • 3. Corrosion and Contamination:
  • Exposure to corrosive environments or contaminants can degrade the material of the diaphragm and other coupling components, reducing their strength and integrity. To prevent corrosion-related failures, use diaphragm couplings made from corrosion-resistant materials in environments where exposure to chemicals or moisture is a concern. Regularly inspect and clean the coupling to remove any contaminants that may have accumulated.

  • 4. Fatigue:
  • Repeated cycles of loading and unloading can cause fatigue in the diaphragm material over time. Fatigue-related failures may manifest as cracks or fractures in the diaphragm. To mitigate fatigue, choose diaphragm couplings made from materials with high fatigue resistance. Regular inspections can also help detect early signs of fatigue-related issues.

  • 5. Improper Installation:
  • Incorrect installation procedures, such as insufficient torque on fasteners or misaligned components, can lead to uneven stresses on the diaphragm coupling, accelerating wear and failure. To prevent improper installation-related failures, follow the manufacturer’s guidelines and use appropriate tools and procedures during installation.

  • 6. Excessive Vibrations:
  • Excessive vibrations in the system can lead to premature wear and failure of the diaphragm coupling. To reduce vibrations, ensure that the system is properly balanced and that any issues causing vibrations, such as misalignment or mechanical resonance, are addressed promptly.

  • 7. Lack of Maintenance:
  • Insufficient or irregular maintenance can lead to undetected issues and accelerated wear in the diaphragm coupling. Implement a comprehensive maintenance program that includes regular inspections, lubrication, and alignment checks to identify and address potential problems early.

By addressing these potential causes of failure and taking appropriate preventive measures, such as proper installation, regular maintenance, and using suitable materials, the reliability and lifespan of diaphragm couplings can be significantly improved in various industrial applications.

diaphragm coupling

Advantages of Diaphragm Coupling Compared to Other Types of Couplings

A diaphragm coupling offers several advantages over other types of couplings, making it a popular choice for various applications. Here are some of the key advantages:

  1. Torsional Flexibility: Diaphragm couplings provide excellent torsional flexibility, allowing them to compensate for angular, parallel, and axial misalignment between shafts. This flexibility helps in reducing stress on connected equipment and extends their lifespan.
  2. No Backlash: Unlike some other couplings, diaphragm couplings have no backlash, which means there is no play or free movement between the connected shafts. This characteristic makes them suitable for applications that require precise and accurate motion transmission.
  3. No Lubrication: Diaphragm couplings are typically maintenance-free since they do not require any lubrication. This reduces the overall maintenance costs and simplifies the operation of the mechanical system.
  4. High Torque Capacity: Despite their flexible design, diaphragm couplings can handle high torque loads efficiently. This makes them suitable for heavy-duty applications where high power transmission is required.
  5. Vibration Damping: The flexibility of the diaphragm in the coupling helps in absorbing and dampening vibrations, reducing the risk of damage to connected machinery and improving the overall system’s performance.
  6. Compact Size: Diaphragm couplings are generally compact and lightweight compared to some other coupling types. This feature makes them suitable for applications with limited space or weight constraints.
  7. Corrosion Resistance: Diaphragm couplings made from appropriate materials offer excellent corrosion resistance, making them suitable for use in harsh environments or industries where corrosion is a concern.
  8. Fail-Safe Design: Diaphragm couplings have a fail-safe design, meaning that in the event of diaphragm failure, they do not lead to catastrophic coupling failure. This enhances the safety and reliability of the mechanical system.
  9. Cost-Effectiveness: Considering their low maintenance requirements, long service life, and efficient torque transmission, diaphragm couplings offer a cost-effective solution for various applications.

In conclusion, diaphragm couplings provide significant advantages over other types of couplings, including torsional flexibility, zero backlash, no lubrication needs, high torque capacity, vibration damping, compact size, corrosion resistance, fail-safe design, and cost-effectiveness. These features make them a preferred choice in a wide range of mechanical systems and industrial applications.

China Hot selling Double Diaphragm Elastic Coupling Clamping High Sensitivity Precision Aluminum Alloy Coupling  China Hot selling Double Diaphragm Elastic Coupling Clamping High Sensitivity Precision Aluminum Alloy Coupling
editor by CX 2024-05-14