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Processes 2019, 7(4), 195; https://doi.org/10.3390/pr7040195

Experimental Study of Micro Electrochemical Discharge Machining of Ultra-Clear Glass with a Rotating Helical Tool

1
Associated Engineering Research Center of Mechanics & Mechatronic Equipment, Shandong University, Weihai 264209, China
2
Department of Mechanical Engineering, Weihai Vocational Secondary School, Weihai 264213, China
3
Shenzhen Research Institute of Shandong University, Virtual University Park, Nanshan, Shenzhen 518057, China
*
Author to whom correspondence should be addressed.
Received: 12 March 2019 / Revised: 28 March 2019 / Accepted: 29 March 2019 / Published: 4 April 2019
(This article belongs to the Special Issue Electrolysis Processes)
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Abstract

Electrochemical discharge machining (ECDM) is one effective way to fabricate non-conductive materials, such as quartz glass and ceramics. In this paper, the mathematical model for the machining process of ECDM was established. Then, sets of experiments were carried out to investigate the machining localization of ECDM with a rotating helical tool on ultra-clear glass. This paper discusses the effects of machining parameters including pulse voltage, duty factor, pulse frequency and feed rate on the side gap under different machining methods including electrochemical discharge drilling, electrochemical discharge milling and wire ECDM with a rotary helical tool. Finally, using the optimized parameters, ECDM with a rotary helical tool was a prospective method for machining micro holes, micro channels, micro slits, three-dimensional structures and complex closed structures with above ten micrometers side gaps on ultra-clear glass. View Full-Text
Keywords: electrochemical discharge machining; rotating helical tool; side gap; micro structures; closed structure; ultra-clear glass electrochemical discharge machining; rotating helical tool; side gap; micro structures; closed structure; ultra-clear glass
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Liu, Y.; Zhang, C.; Li, S.; Guo, C.; Wei, Z. Experimental Study of Micro Electrochemical Discharge Machining of Ultra-Clear Glass with a Rotating Helical Tool. Processes 2019, 7, 195.

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