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Home / Couplings / Spring Coupling Encoder Stepper Servo Motor Elastic High Torque Threaded Flexible Coupler Soft Connection

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material Aluminum Alloy with Spring Steel Insert
Coupling Type Elastic Jaw Flexible Coupler
Shaft Diameter Range 5mm to 20mm
Max Torque Capacity 15 Nm
Misalignment Compensation Angular, Parallel, and Axial
Operating Temperature -30°C to +80°C
Surface Treatment Black Anodized Finish
Application Stepper/Servo Motors, Encoders, CNC Axes
Connection Method Threaded Set Screws (x4)
Vibration Damping High (Due to Elastic Element)

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 4/5

Good quality, slight sizing issue

The build quality is excellent and the torque rating seems accurate. Just make sure to measure your shaft diameter precisely before ordering; I had to reorder a size up.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Essential for servo precision

We use these in our educational robot arms. The soft connection protects the encoder from shock loads during emergency stops. Very durable.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for my CNC upgrade

Installed these on my X and Y axes. The elastic element absorbs the vibration perfectly, and the threaded connection makes alignment much easier than rigid couplers.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Robust and reliable

Been running this on a high-speed spindle for three months now. No wear on the spring element yet, and zero backlash detected. Great value for the price.

A

Anonymous

Mar 02, 2026

Rating: 3/5

Works but instructions were vague

The product itself works fine, but the included torque specs for the set screws were hard to read. Had to look up standard values online to be safe.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Handles misalignment well

My motor mount wasn't perfectly aligned, and this coupling handled the angular misalignment without any binding or excessive heat. Highly recommended for DIY projects.

5 FAQ

Q: Do I need special tools to install the threaded set screws?

A: No, standard hex keys (Allen wrenches) corresponding to the screw size listed in the manual are sufficient for installation.

Q: Can this coupling handle oil exposure in a machine shop environment?

A: Yes, the aluminum alloy and treated spring steel are resistant to common cutting oils and coolants, though prolonged submersion is not recommended.

Q: What is the maximum RPM this coupler can sustain?

A: While dependent on the specific shaft balance, this model is generally rated for speeds up to 4,000 RPM under normal operating conditions.

Q: Does this come in different colors besides black?

A: Currently, this specific high-torque model is only manufactured with a black anodized finish to ensure optimal corrosion resistance.

Q: Is the elastic element replaceable if it wears out?

A: The elastic insert is press-fitted and not designed to be user-replaceable. If worn, we recommend replacing the entire coupling unit for safety.

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