Effect of flushing condition on deep hole micro-EDM drilling

Meena, V.K. and Azad, M.S. and Mitra, Souren (2012) Effect of flushing condition on deep hole micro-EDM drilling. International Journal of Machining and Machinability of Materials, 12 (4). pp. 308-320. ISSN 1748-572X (Online) 1748-5711(Print)

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This paper describes the effect of various flushing conditions on the accuracy of deep holes drilled via micro electrical discharge machining (EDM) machining. Copper tubes were used for deep hole drilling in copper. Various dielectric flushing conditions (side jet flushing, through flushing, through flushing combined with side jet flushing, immersion flushing) were evaluated for their effect on the diameter variation, overcut and circularity at workpiece entrance and exit of deep hole drilled. Through flushing and immersion flushing were observed suitable for deep hole drilling whereas side flushing and its combination with through flushing were observed unsuitable for higher aspect ratios holes.

Item Type: Article
Uncontrolled Keywords: micro EDM; electro-discharge machining; electrical discharge machining; dielectric flushing; deep holes; deep hole drilling; copper tubes; diameter variation; overcut; circularity; drilling accuracy.
Subjects: CSIO > Mechanical
Divisions: Nano Science and Nano Technology
Depositing User: Ms. J Shrivastav
Date Deposited: 10 May 2013 12:48
Last Modified: 10 May 2013 12:48
URI: http://csioir.csio.res.in/id/eprint/362

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