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Home / Couplings / Diaphragm Coupling, Aluminum Alloy Elastic Single and Double Diaphragm Disc Couplings for Servo Motors and Lead Screws

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single and Double Diaphragm Disc
Application Servo Motors and Lead Screws
Flexibility Elastic Design for Vibration Damping
Torque Capacity High Torque Transmission
Misalignment Compensation Angular, Parallel, and Axial
Surface Finish Anodized for Corrosion Resistance
Operating Temperature -20°C to 80°C
Backlash Zero Backlash Performance
Mounting Style Clamp-Type Hub Connection

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 5/5

Best choice for servo applications

After trying several brands, this one offers the best balance of flexibility and torque transmission. My system responds much faster now. Will buy again.

A

Anonymous

Mar 22, 2026

Rating: 4/5

Solid construction

Very well machined parts. The anodized finish looks professional. I deducted one star only because the installation instructions could be more detailed, but overall a great product.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect for my CNC upgrade

These couplings fit perfectly on my servo motor setup. The zero backlash is noticeable in the precision of the cuts. Highly recommended for anyone upgrading their machine.

A

Anonymous

Mar 12, 2026

Rating: 5/5

Reliable for lead screws

Used these on a 3D printer build for the Z-axis lead screws. They handle the misalignment perfectly and have been running smoothly for months without issues.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Excellent vibration damping

I replaced my old rigid coupling with this diaphragm type, and the noise reduction is significant. The elastic design really helps smooth out the motor operation.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Great quality, slightly tight fit

The aluminum alloy feels very durable. The clamp was a bit tight initially, but once installed, it holds the shaft securely without slipping. Good value for the price.

5 FAQ

Q: Can this be used in outdoor environments?

A: While the anodized finish provides good corrosion resistance, we recommend using protective housing if the coupling will be exposed to rain or harsh chemicals outdoors.

Q: Do I need special tools to install the clamp hubs?

A: No special tools are required. A standard hex key (Allen wrench) included with the package is sufficient to tighten the clamp screws securely.

Q: Is this suitable for high-speed applications?

A: Absolutely. The balanced aluminum alloy design allows for high-speed rotation without significant vibration, making it ideal for servo motor applications.

Q: Does this coupling come in different bore sizes?

A: Yes, we offer a wide range of bore sizes to fit various motor shafts and lead screws. Please check the specific variant options or contact us for custom sizing.

Q: What is the maximum angular misalignment this can handle?

A: The single diaphragm version typically handles up to 1 degree, while the double diaphragm version can accommodate up to 2 degrees of angular misalignment.

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