Performance of Wire-Sawing of Glass Assisted by Electro-Chemical Discharge


Article Preview

This paper deals with a combination machining method of slicing with electro-chemical discharge machining (ECDM). Glass and fine ceramics are hard to machine, and cracks are generated on their surface during cutting and grinding because of their brittleness and hardness. ECDM has been studied for machining such insulating materials. The authors have proposed a deposition method of WC layer by electrical discharge machining (EDM) with a compressed WC-Co powder as an electrode. The improvement of removal rate is expected by combining wire-sawing with ECDM. A silica glass rod was cut with a saw wire with the WC layer. The removal rate of the combination machining is larger than that of individual use of ECDM or wire sawing. The groove width by wire sawing was smaller than the others. Cracks were seldom observed on the bottom and side walls of the groove. Providing the fresh working fluid also assisted to decrease the cracks. The synergy of wire-sawing with ECDM was obtained.



Key Engineering Materials (Volumes 523-524)

Edited by:

Tojiro Aoyama, Hideki Aoyama, Atsushi Matsubara, Hayato Yoshioka and Libo Zhou




K. Furutani and M. Tomoto, "Performance of Wire-Sawing of Glass Assisted by Electro-Chemical Discharge", Key Engineering Materials, Vols. 523-524, pp. 299-304, 2012

Online since:

November 2012




[1] H. Kurafuji, K. Suda, Electrical Discharge Drilling of Glass I. Ann. CIRP. 16 (1968) 415-419.

[2] R. Wüthrich, V. Fascio, Machining of Non-conducting Materials Using Electrochemical Discharge Phenomenon – An Overview. Int. J. Mach. Tool. Manuf. 45 (2005) 1095-1108.


[3] K. Furutani, H. Maeda, Machining glass rod with lathe type electro-chemical discharge machine. J. Micromech. Microeng. 18 (2008) 065006, 1-8.


[4] H. Tsuchiya, T. Inove, M. Miyazaki, Wire electrochemical discharge machining of glasses and ceramics, Bull. Jpn. Soc. Prec. Eng. 19 (1985) 73-74.

[5] W. Y. Peng, Y. S. Liao, Study of electrochemical discharge machining technology for slicing non-conductive brittle materials. J. Mater. Process. Technol. 149 (2004) 363-369.


[6] V. K. Jain, S. K. Choudhury, K. M. Ramesh, On the machining of alumina and glass. Int. J. Mach. Tool. Manuf. 42 (2002) 1269-1276.

[7] S. K. Chak, P. V. Rao, Trepanning of Al2O3 by electro-chemical discharge machining (ECDM) process using abrasive electrode with pulsed DC supply, Int. J. Mach. Tool. Manuf. 47 (2007) 2061-(2070).


[8] K. Furutani, K. Suzuki, A Desktop Wire Saw Coating Machine by Using Electrical Discharge Machining, Proc. 2009 IEEE Int. Conf. Cont. Autom., Christchurch, New Zealand (2009).