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This research report presents an innovative piezo-actuated fast tool servo (FTS) for milling operations introducing the high-performance cutting of micro patterns. The outstanding dynamics of the tool enable a highly dynamic depth of cut variation during the cutting process. Unlike commercial technologies, such as ultrasonic tools, the presented device does not oscillate in resonance, but controlled...
To achieve high-precision machining with NC machine tools, their feed drive systems must minimize position errors at the tool center point. When acceleration and deceleration occur, such mechanical errors as elastic deformation of the machine and mechanical vibration primarily cause these position errors. In this study, we discuss a suitable compensator design for mechanical errors through case studies...
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