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Proceedings Paper

Magnetostrictive actuator-based micropositioner and its application in turning
Author(s): William L. Kanizar; Dongming Liu; Kee S. Moon; John W. Sutherland
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Paper 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.

Paper Details

Date Published: 1 May 1996
PDF: 9 pages
Proc. SPIE 2721, Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies, (1 May 1996); doi: 10.1117/12.239150
Show Author Affiliations
William L. Kanizar, Michigan Technological Univ. (United States)
Dongming Liu, Michigan Technological Univ. (United States)
Kee S. Moon, Michigan Technological Univ. (United States)
John W. Sutherland, Michigan Technological Univ. (United States)


Published in SPIE Proceedings Vol. 2721:
Smart Structures and Materials 1996: Industrial and Commercial Applications of Smart Structures Technologies
C. Robert Crowe, Editor(s)

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