The effect of ultrasound in micro electro discharge machining on surface roughness

Abstract In this paper, an efficient micromachining process, which combines micro electro discharge machining (MEDM) with ultrasonic vibration, is proposed to improve the surface roughness of micromould inserts. The introduction of ultrasound is aimed at improving the surface quality by means of the...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2001-02, Vol.215 (2), p.271-276
Main Authors: Yeo, S H, Goh, K M
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical engineering. Machine design
Precision engineering, watch making
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Summary:Abstract In this paper, an efficient micromachining process, which combines micro electro discharge machining (MEDM) with ultrasonic vibration, is proposed to improve the surface roughness of micromould inserts. The introduction of ultrasound is aimed at improving the surface quality by means of the accelerated expulsion of debris out of the small gap between the electrode and the workpiece. Experimental results show that the surface roughness of the machined workpiece is improved.
ISSN:0954-4054
2041-2975
DOI:10.1243/0954405011515217