Effect of flushing condition on deep hole micro-EDM drilling

被引：2
|
作者：
Meena, Vijay Kumar [1 ]
Azad, Man Singh [2 ]
Mitra, Souren [3 ]
机构：
[1] Bio Medical Instrumentation, Central Scientific Instruments Organisation, Chandigarh-160030, India
[2] Micro Systems Technology Laboratory, Central Mechanical Engineering Research Institute, Durgapur-713209, West Bengal, India
[3] Production Engineering Department, Jadavpur University, 188 Raja S.C. Mullick Road, Kolkata-700032, West Bengal, India
来源：
International Journal of Machining and Machinability of Materials | 2012年 / 12卷 / 04期
关键词：
Aspect ratio - Electrodes - Electric discharge machining - Electric discharges - Micromachining - Drills;
D O I：
10.1504/IJMMM.2012.050429
中图分类号：
学科分类号：
摘要：
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. Copyright © 2012 Inderscience Enterprises Ltd.
引用
收藏
页码：308 / 320
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