Key Benefits

RAD Spring-Assist Robotic Collision Sensor

The Pneumatic High-Angle Ultimatic™ Collision Sensor maximizes uptime and, with a repeatability of 0.0005″ (0.013mm), ensures that the final output still meets your exacting product quality standards – even after a crash.

The Pneumatic High-Angle Ultimatic™ Collision Sensor is RAD’s patented mechanical collision sensor that:

  • Stops the robot* within 2 to 6ms of a collision to minimize costly damage to the robot and/or tooling. RAD’s collision sensor provides protection even if the robot itself is not moving.
  • Offers a full 13° of angular compliance – 63% more than the original Ultimatic™ Pneumatic Collision Sensor model
  • Absorbs the crash energy without releasing the air pressure in the unit thus preventing tooling ‘sag’ and eliminating the effects of compressed air being released into the environment.
  • Automatically resets to within ± 0.0005″ (0.013mm) in x, y, and z dimensions and to within ± 0.017º rotationally to maximize uptime and eliminate the need for human intervention.
  • Allows pneumatic adjustment so the user can easily change the amount of resistance the unit must encounter before signaling a collision.
  • Has a compliance adjustment feature that lets the user determine the amount of deflection allowed before a signal is sent to your robot’s E-stop or controller.

Operating Principle
RAD’s Pneumatic High-Angle Ultimatic™ Collision Sensor works by establishing the minimal points of contact required to restrain all degrees of freedom (movement) in normal operation. When a collision occurs, external forces upset this balance thereby allowing angular, rotational, or compressive compliance. This motion opens a normally closed switch and sends a signal to your robot’s E-stop or controller.

Note: The Pneumatic High-Angle Ultimatic™ Collision Sensor can be used as a compliance (alignment) device by installing the unit without connecting the sensor switch. Please see the Compliance Devices section for more end-effector compliance options.


319 S. First St
Tipp City, OH

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