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Proceedings Paper

Positional accuracy study of a micro-EDM machine
Author(s): Heather J. A. Almond; Jagmohan Bhogal; David M. Allen
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Paper Abstract

Micro-electrodischarge machining is used to machine small features such as holes, cavities and slots with high aspect ratios in electrically-conductive materials for various applications including medical implants, printing devices, dies and spray nozzles. In this study, the positional accuracy of a micro-EDM machine was assessed while simulating the machining of an array of holes. The measurement involved the use of a diffraction grid plate and non-contact scanning head. This enabled various conclusions to be drawn as to the relative deviations experienced when machining small features such as (phi) 50 micrometers holes.

Paper Details

Date Published: 10 March 1999
PDF: 12 pages
Proc. SPIE 3680, Design, Test, and Microfabrication of MEMS and MOEMS, (10 March 1999); doi: 10.1117/12.341183
Show Author Affiliations
Heather J. A. Almond, Cranfield Univ. (United Kingdom)
Jagmohan Bhogal, Cranfield Univ. (United Kingdom)
David M. Allen, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 3680:
Design, Test, and Microfabrication of MEMS and MOEMS
Bernard Courtois; Wolfgang Ehrfeld; Selden B. Crary; Wolfgang Ehrfeld; Hiroyuki Fujita; Jean Michel Karam; Karen W. Markus, Editor(s)

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