Product Description

Oldham Type Coupling Cross Sliding Clamp Coupling

Feature
>High torque rigidity and high sensitivity
>Large radial angular deviation is allowed
>Zero backlash
>Fastening method of clamping screw

Packaging & Delivery                        

Port:

HangZhou/ZheJiang  or as request

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Bellows couplings are especially suitable for direct connection between 2 coaxial shafts. The metal bellows defines the characteristics of the coupling and compensates lateral, axial and angular shaft misalignment with low restoring forces. Backlash-free, torsionally rigid metal bellows guarantee precise positioning of the driven load and can be used in highly dynamic cyclic duty applications, as well as at high rotational speeds – up to 120,000 rpm depending on the model.

About CHINAMFG since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of  non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples. 

Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also. 

Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.

                                                                        
                                                               

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How Do Bellows Couplings Contribute to Reducing Vibrations and Ensuring Smooth Operation?

Bellows couplings play a crucial role in reducing vibrations and ensuring smooth operation in mechanical power transmission systems. They achieve this through their unique design and material characteristics, which allow them to absorb and dampen vibrations effectively. Here’s how bellows couplings contribute to minimizing vibrations and promoting smooth operation:

• Flexible Bellows Design: Bellows couplings feature a thin-walled, accordion-like structure known as the bellows. This design provides flexibility in multiple directions, allowing the coupling to compensate for minor misalignments and shaft movements. The bellows’ flexing action absorbs shocks and vibrations, preventing them from propagating through the system and reducing the transmission of vibration to connected equipment.
• Vibration Damping: The flexible bellows act as a vibration damper, absorbing and dissipating vibrational energy generated during the operation. When the system experiences dynamic forces or sudden shocks, the bellows expand and contract to absorb these forces, preventing them from resonating throughout the system. This damping action helps maintain the stability of the machinery and prevents excessive wear and tear on components.
• No Mechanical Contact: Unlike some coupling types that rely on friction or mechanical contact, bellows couplings transmit torque through pure flexure without any metal-to-metal contact. This feature eliminates backlash and torsional wind-up, further reducing vibration and ensuring smoother operation. As a result, bellows couplings are well-suited for applications requiring high precision and minimal vibration-induced errors.
• High Torsional Stiffness: While bellows couplings are designed to be flexible, they still possess high torsional stiffness. This stiffness ensures accurate torque transmission without any loss, contributing to the overall efficiency and smoothness of the system’s operation.
• Resonance Avoidance: Bellows couplings are designed to have specific critical speeds and resonant frequencies that prevent resonance from occurring within the coupling itself. Resonance can lead to severe vibration amplification, which can be detrimental to the equipment and surrounding components. The careful design of bellows couplings helps avoid such resonance issues.

By effectively dampening vibrations, absorbing shocks, and providing torsional stiffness, bellows couplings contribute to smoother operation, reduced mechanical wear, and increased overall system reliability. Their ability to handle misalignments and their high torsional stiffness make them a popular choice in precision motion control systems, robotics, and various industrial applications where smooth and accurate performance is essential.

How do Bellows Couplings Compare to Other Coupling Types, such as Flexible or Rigid Couplings?

Bellows couplings offer distinct advantages and characteristics that set them apart from other coupling types, such as flexible and rigid couplings. Here is a comparison of bellows couplings with other coupling types:

• Flexibility: Bellows couplings are a type of flexible coupling. They provide excellent angular and axial misalignment compensation while maintaining a high level of torsional rigidity. This flexibility helps to reduce stress on connected equipment and allows for smooth operation even in misaligned conditions.
• Compensation for Misalignment: Flexible couplings, including bellows couplings, can accommodate both angular and parallel misalignments. They are designed to allow a certain degree of relative movement between shafts, which helps prevent damage to shafts and connected equipment due to misalignment or vibration.
• Compactness: Bellows couplings are compact and lightweight, making them suitable for applications where space is limited. The absence of additional components, such as elastomeric elements found in other flexible couplings, contributes to their compact design.
• Torsional Stiffness: Compared to some other flexible couplings, bellows couplings offer higher torsional stiffness. This characteristic ensures efficient torque transmission and precise motion control, making them suitable for applications demanding high torsional rigidity.
• Backlash: Bellows couplings typically have minimal backlash due to the absence of mechanical play or components that can introduce free movement. This characteristic allows for precise positioning and control in motion systems.
• Electrical Isolation: Unlike rigid couplings, bellows couplings provide electrical isolation between shafts, making them ideal for applications where electrical continuity must be maintained or avoided between the connected components.
• Resonance Damping: Bellows couplings can help dampen vibrations and reduce resonance in rotating equipment. This characteristic contributes to smoother operation and prolongs the life of connected components.

On the other hand, rigid couplings are suitable for applications requiring precise shaft alignment and no flexibility. They provide a solid and direct connection between shafts, ensuring efficient torque transmission without any loss due to misalignment. However, rigid couplings cannot compensate for misalignment and are more prone to stress concentration in case of shaft misalignment or vibrations.

While flexible couplings, including bellows couplings, offer misalignment compensation and flexibility, they may have slightly lower torsional stiffness compared to rigid couplings. However, their ability to handle misalignments and provide damping characteristics often outweigh this consideration in many motion control applications.

In summary, bellows couplings combine flexibility, torsional stiffness, electrical isolation, and vibration damping features, making them a versatile choice for various precision motion control applications.

Where can I find reputable suppliers or manufacturers of bellows couplings for my specific machinery requirements?

If you are looking for reputable suppliers or manufacturers of bellows couplings to meet your specific machinery requirements, there are several avenues you can explore:

1. Online Directories: Utilize online industrial directories and platforms that specialize in connecting buyers with suppliers. Websites like Thomasnet, Alibaba, and GlobalSpec can help you find a wide range of bellows coupling manufacturers from around the world.
2. Trade Shows and Exhibitions: Attend trade shows and exhibitions related to your industry. These events often host numerous suppliers and manufacturers showcasing their products, including bellows couplings. It provides an excellent opportunity to meet the suppliers in person, discuss your specific requirements, and evaluate the products firsthand.
3. Industry Associations: Reach out to industry associations and organizations relevant to your field. They can often provide valuable recommendations and a list of reputable suppliers who cater to your machinery needs.
4. Referrals and Recommendations: Seek referrals and recommendations from colleagues, business partners, or other professionals in your industry who have experience with bellows couplings. Their insights can help you find trustworthy suppliers.
5. Online Research: Conduct thorough online research to identify manufacturers with a strong reputation, positive reviews, and a history of delivering quality products. Check their websites, customer testimonials, and ratings on review platforms.
6. Supplier Directories: Some industries have specific supplier directories or databases that provide information about verified suppliers and manufacturers. Consult these directories to find suitable bellows coupling suppliers.

When evaluating potential suppliers, consider factors such as product quality, pricing, lead times, customer support, and the ability to customize products to meet your machinery’s specific requirements. It’s also essential to request samples, product catalogs, and quotes from multiple suppliers to make an informed decision.

Always choose a supplier with a track record of delivering high-quality bellows couplings and excellent customer service to ensure a successful partnership for your machinery needs.

editor by CX 2024-01-16