Hybrid Micromachining and Microfabrication Technologies

6Laser-Assisted Electrochemical Discharge Micromachining

Sandip Kunar^1,6*, Kagithapu Rajendra¹, V. V. D. Praveen Kalepu¹, Prasenjit Chatterjee², Asma Perveen³, Norfazillah Talib⁴ and K.V.S.R. Murthy^5,6

¹Department of Mechanical Engineering, Aditya Engineering College, Surampalem, India

²Department of Mechanical Engineering, MCKV Institute of Engineering, Howrah, India

³Mechanical & Aerospace Engineering Department, School of Engineering & Digital Sciences, Nazarbayev University, Republic of Kazakhstan

⁴Department of Manufacturing Engineering, Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Batu Pahat, Johor, Malaysia

⁵Department of Electrical and Electronics Engineering, Aditya Engineering College, Surampalem, India

⁶Jawaharlal Nehru Technological University Kakinada, Kakinada, East Godavari, India

Abstract

Emerging nontraditional micromachining techniques like electrochemical discharge micromachining (ECDM) and laser micromachining are ideal for micro-processing of nonconducting brittle materials like glass. Glass’ low machinability is a significant obstacle, though, and it needs to be overcome. The bottom surface of the microgrooves produced by ECDM is typically irregular and correlated with protrusion structures, while the frames, which frequently have overcutting and apparent wave formed HAZs, are not straight. Additionally, the cross segment created by the laser has a considerable taper and a V-shape. This study suggested the laser ...