1 May 1996 Magnetostrictive actuator-based micropositioner and its application in turning
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Abstract
The surface finish of a turned part is primarily generated from process parameters such as feed, tool geometry, and cutting speed. A micropositioner system utilizing a magnetostrictive material, Terfenol-D, as a linear motor is presented as a means to actively control the process. The system has an actuator clamped in a flexor that is rigid in the feed and main cutting force directions, yet is flexible in the radial direction. Using control algorithms implemented on a digital computer, the system can provide a means to compensate for deleterious vibrations. The system has also been used to manipulate the tool position in the radial direction so that non-circular turning can be accomplished.
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William L. Kanizar, William L. Kanizar, Dongming Liu, Dongming Liu, Kee S. Moon, Kee S. Moon, John W. Sutherland, John W. Sutherland, } "Magnetostrictive actuator-based micropositioner and its application in turning", Proc. SPIE 2721, Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies, (1 May 1996); doi: 10.1117/12.239150; https://doi.org/10.1117/12.239150
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