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How does the sanding kit affect a UR robot?

Understand vibration impact, safe operating conditions, and best practices for using the Sanding Kit with a Universal Robots arm

Context

The Robotiq Sanding Kit enables a collaborative robot (cobot) to automate sanding, polishing, or surface finishing tasks. A common concern among users is whether the vibration generated during these operations could negatively affect the robot’s joints or long-term reliability.

This article explains what impact, if any, the Sanding Kit has on UR robots, and provides guidelines for safe operation.

 

Compatibility and UR Validation

Robotiq and Universal Robots have collaborated to validate that the Sanding Kit is compatible with UR robots, including UR3e, UR5e, UR10e, and UR16e models.

When used under normal conditions and proper programming, the system does not generate excessive vibration that would lead to premature wear or failure of the robot’s joints.

 

 

 

 

Best Practices to Minimize Vibration Impact

  • Use balanced sanding tools: Ensure the sanding disc or wheel is centered and balanced to avoid oscillations.

  • Secure tool mounting: Avoid flexible or offset brackets; maintain rigid alignment.

  • Optimize sanding paths: Use smooth arcs or curves, avoid sharp turns or rapid reversals.

  • Avoid excessive downforce: Let the tool do the work—avoid pushing the robot into the surface.

  • Limit sanding duration: Break long cycles into shorter sessions with cool-down periods if needed.

 

Warranty & Support Considerations

Using the Sanding Kit within specified limits will not void the UR robot’s warranty. However:

  • Operating outside payload or dynamic limits may lead to wear not covered under warranty.

  • Improper tool mounting or unsafe programming can introduce excessive shock loads.

 

 

Conclusion

The Robotiq Sanding Kit is safe to use on UR robots when mounted and programmed correctly. Vibration levels remain within acceptable bounds for standard joint durability, but good programming practices and maintenance are essential to ensure long-term reliability.