Enhanced surface integrity and dimensional accuracy by simultaneous micro-ED/EC milling

This paper presents the simultaneous micro-ED/EC milling that provides significantly improved surface integrity and dimensional accuracy when compared with micro-ED or micro-EC milling alone. The concurrent occurrence of electrochemical reaction and electrical discharge is attained by exploiting par...

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Veröffentlicht in:CIRP annals 2012, Vol.61 (1), p.191-194
Hauptverfasser: Nguyen, Minh Dang, Rahman, Mustafizur, Wong, Yoke San
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creator Nguyen, Minh Dang
Rahman, Mustafizur
Wong, Yoke San
description This paper presents the simultaneous micro-ED/EC milling that provides significantly improved surface integrity and dimensional accuracy when compared with micro-ED or micro-EC milling alone. The concurrent occurrence of electrochemical reaction and electrical discharge is attained by exploiting partially deionized water with appropriate process control. Machining speed is judiciously adjusted to promote electrochemical reaction for improving surface finish. Concurrently, short voltage pulses localize dissolution zone for greater precision while also remove micron-thick layer generated by discharge craters from the machined surface. Micro-shapes with enhanced surface finish and dimensional accuracy are produced to demonstrate the feasibility and capability of the aforementioned approach.
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subjects Adjustment
Applied sciences
Cutting
Deionization
Deionized water
Electrical discharge
Electrical discharge machining (EDM)
Electro chemical machining (ECM)
Exact sciences and technology
Feasibility
Integrity
Machining. Machinability
Mechanical engineering. Machine design
Metals. Metallurgy
Milling (machining)
Process control
Production techniques
Surface finish
title Enhanced surface integrity and dimensional accuracy by simultaneous micro-ED/EC milling
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