The characteristics of nine common drill failure modes have been analyzed. To facilitate detecting and diagnosing these failure modes, a multi-sensor approach is developed. Based on the dynamic characteristics of three different measurements including thrust, torque, and lateral vibration, necessary signatures are extracted for the nine failure modes. Experimental tests were conducted to confirm the characteristics of these nine drill failure modes.

Issue Section:
Technical Briefs
Topics:
Drills (Tools), End effectors, Failure mechanisms, Sensors, Thrust, Torque, Vibration
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