Investigation on shape, size, surface quality and elemental characterization of high-aspect-ratio blind micro holes in die sinking micro EDM
Investigation on shape, size, surface quality and elemental characterization of high-aspect-ratio blind micro holes in die sinking micro EDM
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DOI：
10.1007/s00170-013-5243-z
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
S. Barman;N. Hanumaiah;A. B. Puri
中科院分区：
文献类型：
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作者：
S. Barman;N. Hanumaiah;A. B. Puri
在微细电火花加工中，刀具磨损会对加工出的微细特征产生不利影响。工具电极的变形和微观特征是加工过程中放电过程随机行为的结果。由于高深宽比盲孔的微小尺寸，在不破坏微孔的情况下对其形状、尺寸和表面质量进行研究比较困难。采用破坏性方法研究了深冲微细电火花加工高深宽比盲孔的几何形状、表面形貌特征和元素特征。研究了电极的变形和刀具在工件上的形状。
Tool wear adversely affects the micro features machined in micro electric discharge machining (micro EDM). Deformations of tool electrode and micro feature are the results of stochastic behaviour of discharge processes during machining. It is difficult to study the shape, size and surface quality of high-aspect-ratio blind micro holes without destructing the micro holes due to their miniature size. In this communication, an attempt was taken to study the geometry, surface texture characteristics and elemental characteristics of high-aspect-ratio blind micro holes machined in die sinking micro EDM by adopting a destructive method. Deformation of electrodes and tool profile on the workpiece were also studied.