Magnetostrictive actuator-based micropositioner and its application in turning

William L. Kanizar; Dongming Liu; Kee S. Moon; John W. Sutherland

doi:10.1117/12.239150

1 May 1996 Magnetostrictive actuator-based micropositioner and its application in turning

William L. Kanizar, Dongming Liu, Kee S. Moon, John W. Sutherland

Proceedings Volume 2721, Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies; (1996) https://doi.org/10.1117/12.239150
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

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.

Citation Download Citation

William L. Kanizar, Dongming Liu, Kee S. Moon, and 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); https://doi.org/10.1117/12.239150

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