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Home / Couplings / Diaphragm Coupling, Aluminum Alloy Elastic Single/Double Diaphragm Laminated Coupling for Servo Motor Lead Screws

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single/Double Diaphragm Laminated
Application Servo Motor and Lead Screw Systems
Flexibility High Torsional Rigidity with Elastic Compensation
Misalignment Capability Compensates for Angular, Parallel, and Axial Misalignment
Surface Treatment Anodized for Corrosion Resistance
Operating Temperature -20°C to +80°C
Backlash Zero Backlash Design
Maintenance Maintenance-Free Operation
Compatibility Standard NEMA Motor Shafts

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 5/5

Exceeded expectations

I was skeptical about the price point, but the quality rivals brands costing twice as much. The elastic element provides just the right amount of flex.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Great vibration damping

The diaphragm design does an excellent job of absorbing vibrations from the motor. My 3D printer runs much smoother now.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for my CNC upgrade

Installed this on my Z-axis servo motor. The zero backlash is noticeable immediately, and the build quality feels premium. Highly recommended for precision machinery.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable industrial component

Bought five of these for our production line. They have been running 24/7 for a month without any issues. Great value for money.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Solid performance

Works exactly as described. The aluminum alloy is lightweight yet durable. Only giving 4 stars because the installation instructions could be more detailed.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Good fit but tight tolerance

The coupling fits well, but the bore tolerance is very tight. Make sure your shaft dimensions are precise before ordering. Otherwise, it's a great product.

5 FAQ

Q: Does this coupling come in different bore sizes?

A: Yes, we offer various bore sizes to match standard servo motor shafts. Please check the size selection menu or contact us for custom boring services.

Q: What lubrication is required for maintenance?

A: This coupling is maintenance-free and does not require any lubrication. The elastic diaphragm elements operate without friction against other parts.

Q: Can this handle high-speed applications above 3000 RPM?

A: Absolutely. The balanced aluminum alloy construction is designed to handle high rotational speeds typically found in servo applications without vibration issues.

Q: Will this work with a stepper motor instead of a servo?

A: Yes, this coupling is compatible with both servo and stepper motors as long as the shaft diameter matches and the torque requirements are within the coupling's rating.

Q: Is the double diaphragm version better than the single one?

A: The double diaphragm version offers greater misalignment compensation and flexibility, while the single version provides slightly higher torsional stiffness. Choose based on your specific alignment needs.

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