Product Description

Yangbo flange flexible bellow coupling 

Basic Parameters: 

Specification:  DN50-DN8000
Compensator Axial and lateral
Bellows Material:  Stainless steel,Carbon steel,PTFE,HDPE,EPDM,NBR
Other Parts Material:  Carbon steel, stainless steel, PTFE
Bellow Type Single layer or multi-layer
Connection type:  Welded, Flange, Joint
Design Temp.:  Max 1300 deg. C
Design Pressure:  Max 4.0MPa
Movement:  0-40 deg. 
Certification ISO9001,SGS
OEM/ODM Service Available
Testing:  1. Chemical analysis for material
2. Mechanical property testing for material
3. NDT will be carried out on all products
4. Pressure testing
5. Painting testing
6. Dimension and appearance quality inspection
7. Package inspection

Products Show: 

Features: 

1. Metal bellows to absorb large axial displacement between straight tube and support frame, and small horizontal displacement; 

2. To resolve minor deviation because of piping connection and eliminate the pipeline residual stress; 

3. All of our metal bellows are easy to clean and maintenance.    

 

Application Fields:    

 

Packaging & Shipping:       

 

 

Delivery Details: Within 10-15 days after receiving payment

Packaging Details: Standard export wooden case 

Company Information: 

We are specialized in the manufacturing of all kinds of stainless steel expansion joints and flexible metal hose for over 20 years. 

We have achieved ISO 9001 quality system certification and Manufacture License Of Special Equipment Peoples’s Republic Of China. 

Advanced technology, good quality, reasonable price and good after-sales service, let us become the industry’s leading brand!          

 

 

 

FAQ:    

 

Q: How to pay express charges if order samples? 

A: For those customer, who has DHL, FedEx, TNT, UPS account, can give us your account and we will send the samples by freight collected. For those customers, who do not have an express account, we will calculate the express freight charge for you and you can pay the freight charge directly to our company account. Then we will delivery the samples of flexible metal hose by prepaid.    

 

Q: How to pay sample charges? 

A: You can pay to pur company account. When we received the sample fee, we will arrange to make the samples for you, The prepare tiome for sample of flexible metal hose will be 3-7 days.    

 

Q: How to order your items? 

A: If you have the drawings of products like flexible metal hose, send them to us, we can production the items according to your drawings perfectly! If you not have drawings, please tell us the size, material, quantity, pressure, medium of the item you want, then our technical section will provide drawings for you to confirm the right specification. Finally make you satisfied! 

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bellows coupling

Can Bellows Couplings Handle Angular and Parallel Misalignments Simultaneously?

Bellows couplings are designed to handle both angular and parallel misalignments simultaneously, making them versatile for various mechanical power transmission applications. The bellows element, typically made of a thin-walled metal structure, allows for flexibility in multiple directions, enabling the coupling to accommodate different types of misalignments.

1. Angular Misalignment: Angular misalignment occurs when the driving and driven shafts are not collinear and form an angle with each other. This type of misalignment can happen in applications where the shafts are not perfectly aligned due to assembly errors, shaft deflection, or thermal expansion. The bellows coupling’s design allows it to flex in response to angular misalignment, transmitting torque smoothly without inducing additional stress on the connected components.

2. Parallel Misalignment: Parallel misalignment, also known as lateral misalignment, happens when the axes of the driving and driven shafts are parallel but not concentric. This misalignment may occur due to inaccurate alignment during installation or shaft deflection under load. The bellows coupling’s flexible bellows element can also compensate for this type of misalignment, ensuring that the shafts remain parallel enough to prevent excessive forces and vibrations.

Simultaneous Misalignments: Bellows couplings are unique in their ability to handle both angular and parallel misalignments simultaneously. As the bellows element flexes in multiple directions, it can compensate for misalignments in both planes without imposing significant side loads on the shafts or bearings. This capability makes bellows couplings well-suited for precision motion control systems, where maintaining accurate alignment is crucial to ensure smooth operation and longevity of the equipment.

It is important to note that while bellows couplings can handle a certain degree of misalignment, excessive misalignments should be avoided to prevent premature wear and reduce the efficiency of the coupling. Regular maintenance and inspections can help identify and correct misalignment issues early, ensuring optimal performance and extended service life of the bellows coupling and the entire mechanical system.

bellows coupling

How do bellows couplings ensure torque transmission and minimize backlash in precision systems?

Bellows couplings are used in precision systems to transmit torque between two shafts while minimizing backlash, which is crucial for maintaining accurate positioning and reducing vibrations. Here’s how they achieve these functions:

  1. Torsional Rigidity: Bellows couplings are designed with a series of flexible metal convolutions (bellows) that allow angular misalignment between the shafts. The metal bellows provide high torsional rigidity, ensuring efficient torque transmission from one shaft to the other with minimal power loss.
  2. Backlash Elimination: Backlash is the play or movement that occurs when reversing the direction of rotation in a mechanical system. Bellows couplings are ideal for precision applications because they have virtually zero backlash. The absence of backlash helps maintain accurate positioning and prevents undesired movements in precision machinery.
  3. Compensation for Misalignment: In precision systems, shaft misalignments can occur due to manufacturing tolerances, thermal expansion, or other factors. Bellows couplings can accommodate angular, axial, and parallel misalignments, ensuring smooth operation and preventing excessive stress on the shafts and connected components.
  4. Vibration Damping: The flexible nature of bellows couplings also provides some level of vibration damping. This feature helps reduce vibrations and shocks in the system, which is especially important in sensitive precision equipment to maintain stability and accuracy.
  5. Compact Design: Bellows couplings are compact and lightweight compared to some other coupling types, making them suitable for applications where space and weight restrictions are important considerations.

In summary, bellows couplings play a crucial role in precision systems by ensuring efficient torque transmission, minimizing backlash, compensating for misalignments, dampening vibrations, and providing a compact design. These features make them an excellent choice for high-precision machinery and applications where accuracy and reliability are paramount.

bellows coupling

How do you Select the Right Bellows Coupling for Specific Motion Control Systems?

Selecting the right bellows coupling for a motion control system involves considering several key factors to ensure optimal performance and reliability. Here are the steps to help you make an informed decision:

  1. Application Requirements: Understand the specific requirements of your motion control system. Consider factors such as torque capacity, speed, angular misalignment, axial motion, and environmental conditions.
  2. Type of Bellows Coupling: Determine the type of bellows coupling that best suits your application. Choose from single bellows, double bellows, flexible beam with bellows, torsionally rigid, miniature, or high-temperature bellows coupling, depending on your needs.
  3. Torsional Stiffness: If your application requires high torsional stiffness to maintain precise motion control, consider bellows couplings with torsionally rigid designs.
  4. Misalignment Compensation: Evaluate the amount of misalignment your system may encounter and choose a bellows coupling with the appropriate misalignment compensation capabilities.
  5. Torque and Speed Ratings: Check the torque and speed ratings of the coupling to ensure they meet or exceed the requirements of your motion control system.
  6. Space Constraints: Consider the available space for the coupling. For applications with limited space, miniature or compact bellows couplings may be suitable.
  7. Environmental Conditions: If your application involves extreme temperatures or corrosive environments, opt for a high-temperature or corrosion-resistant bellows coupling material.
  8. Customization: Some applications may require customized solutions. In such cases, consult with coupling manufacturers to explore the possibility of tailored designs.
  9. Consult with Experts: When in doubt, seek advice from coupling manufacturers or engineering experts who can offer valuable insights and recommendations based on your specific application needs.

By carefully considering these factors, you can select the right bellows coupling that aligns with your motion control system’s requirements and ensures smooth and efficient power transmission. Additionally, choosing high-quality and reputable coupling suppliers will contribute to the overall success and reliability of your motion control application.

China Standard CHINAMFG Flange Flexible Bellow Coupling  China Standard CHINAMFG Flange Flexible Bellow Coupling
editor by CX 2024-05-15