A REVIEW ON MICROMACHINING BY WIRE ELECTROCHEMICAL DISCHARGE PHENOMENA
Sukhjeevan Singh
Production & Industrial Engg. Department, Punjab Engg. College (D to be U) , IN
Rahul.O. Vaishya
Production & Industrial Engg. Department, Punjab Engg. College (D to be U) , IN
Keywords: ECDM, WECDM, surface integrity, voltage, surface roughness, material.
Abstract
Micromachining of glass and other non conductive materials have gained importance in recently growing advance engineering and biomedical fields for various applications like MEMS, lab on chip devices, microfludic devices and so on. The difficulty of machining these material by traditional processes led the researchers to develop the alternative process, Electrochemical discharge machining (ECDM) and its variant Wire Electrochemical discharge machining (WECDM) is an advance machining process, can machine such materials with accuracy. The input parameters such as voltage, electrolyte concentration, feed rate etc. govern the process performance parameters like material removal rate, overcut, surface irregularity and surface integrity of machined surface. The process works on the principle of electrochemical discharge, the exact mechanism of machining is not well understood. The paper
presents the review past research carried out in WECDM process.
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