Intervening Variables in Electrochemical Machining of High Carbon High Chromium Die Tool Steel
Keywords:
surface roughness, MRR, Electrochemical machiningAbstract
Electrochemical Machining (ECM) is one of the most exclusively used non traditional machining processes for machining of materials with high hardness and poor machinability. However, there is a critical need for exploration of the application of ECM in cost effective machining of relatively harder materials such as high carbon high chromium die tool steel, stainless steel, duplex stainless steel and super alloys. In this work, experimental investigations have been made on the intervening variables involved in the Material removal rate (MRR) and surface roughness by ECM on high carbon high chromium die tool steel with hardness 63 HRC. Three different process parameters were undertaken for this study- applied voltage, tool feed rate and electrolyte discharge rate. The effects of intervening variables in electrochemical machining of high carbon high chromium die steel are studied and the relationship between the parameters have been determined for achieving maximum MRR and minimum surface roughness by using NaCl aqua solution.
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References
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