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Design and implementation of a rotary fast tool servo for a turning machine

Author(s)
Ma, David Chih-Yan
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Advisor
David L. Trumper.
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M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
In this thesis we describe the design and implementation of a rotary fast tool servo (RFTS) in a machine tool for turning ophthalmic lenses. To machine nonrotationally symmetric lenses, the cutting tool on the RFTS must move synchronously with the spindle rotation. Therefore, to cut a lens at high spindle speeds, the cutting tool must be capable of extremely high accelerations. In our design we mount the cutting tool at the end of a rotary arm. This allows us to achieve higher accelerations and lower vibrations than conventional fast tool servos. This thesis describes the development of the RFTS, including component selection and testing. We also detail the design and fabrication of the RFTS that is installed in a prototype turning machine.
Description
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.
 
Includes bibliographical references (p. 149-151).
 
Date issued
1998
URI
http://hdl.handle.net/1721.1/9594
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering

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