Journal
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
Volume 49, Issue 12-13, Pages 1029-1034Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijmachtools.2009.07.005
Keywords
Z-map; Micromachining; Process simulation; Virtual machining
Funding
- Ministry of Knowledge Economy, Republic of Korea
- Korea Institute of Industrial Technology(KITECH) [B0000200] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this paper a three-dimensional geometric simulation method of micro-EDM milling processes is proposed, which introduces a Z-map algorithm to precisely represent the geometries of a machined workpiece and the evolution of the tool shape caused by tool wear during the machining. The micro-EDM milling process is mathematically and geometrically modeled. In order to verify the performance of the developed simulator, an actual square cavity is machined and compared to the simulation result. The developed EDM simulator can be used for tool path generation for tool wear compensation as well as for prediction of tool wear. (C) 2009 Elsevier Ltd. All rights reserved.
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