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Home / Couplings / Qiye Single/Double Diaphragm Coupling, Lamina Elastic Coupling, Aluminum Alloy Servo Motor Encoder Shaft Connector

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single/Double Diaphragm
Application Servo Motor & Encoder Shaft
Torque Capacity High Precision Transmission
Misalignment Compensation Angular, Parallel, and Axial
Surface Treatment Anodized Finish
Operating Temperature -20°C to 80°C
Backlash Zero Backlash Design
Origin Direct from Manufacturer
Compatibility Standard NEMA Motor Shafts

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect fit for my CNC project

The build quality is exceptional. The aluminum alloy feels sturdy yet lightweight, and it mounted perfectly on my servo motor without any wobble.

A

Anonymous

Mar 25, 2026

Rating: 4/5

Great value for money

Works exactly as described. The double diaphragm design handles minor misalignments very well. Shipping was a bit slow, but the product is worth it.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Solid construction

Good coupling for the price. It handles the torque requirements of my 400W servo motor easily. Instructions could be more detailed, but installation was intuitive.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Zero backlash confirmed

I tested this on a high-precision encoder setup, and the zero backlash claim holds true. Very smooth rotation with no play.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Reliable industrial component

We ordered ten units for our assembly line. All of them performed flawlessly. The anodized finish also adds a nice touch of durability.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Exceeded expectations

Very impressed with the precision engineering. The single diaphragm version I bought is compact and efficient. Highly recommend for robotics applications.

5 FAQ

Q: Do you offer bulk discounts for orders over 50 units?

A: Yes, please contact our sales team directly through the store page for custom bulk pricing options.

Q: What is the maximum RPM rating for this model?

A: This aluminum alloy diaphragm coupling is rated for speeds up to 10,000 RPM depending on the specific bore size.

Q: Is there a difference between the single and double diaphragm versions?

A: The double diaphragm version offers greater compensation for parallel misalignment compared to the single diaphragm model.

Q: Does this coupling come with set screws?

A: Yes, each unit includes high-tensile set screws for secure shaft attachment.

Q: Can this handle axial movement?

A: Yes, the diaphragm design allows for limited axial displacement while maintaining torque transmission.

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