Study on electro-discharge grinding with an electrically conductive diamond cutting edge wheel

A new electro-discharge grinding method (ED-grinding method) using a trial manufactured metal bond diamond wheel containing an electrically conductive diamond grit (EC-D-grit-wheel) is proposed. In this method, two effects are expected to occur-removal of workpiece by electrical discharge machining,...

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Bibliographic Details
Published inJournal of the Japan Society for Abrasive Technology Vol. 51; no. 8; pp. 471 - 475
Main Authors Tanaka, Yukinori, Ninomiya, Shinichi, Iwai, Manabu, Murakami, Yoshihiko, Sano, Sadao, Uematu, Tetsutaro, Suzuki, Kiyoshi
Format Journal Article
LanguageEnglish
Published 01.01.2007
Subjects
Cutting
Diamond machining
Electrically conductive
Grinding
Grinding wheels
Grit
Voltage
Wheels
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Summary:A new electro-discharge grinding method (ED-grinding method) using a trial manufactured metal bond diamond wheel containing an electrically conductive diamond grit (EC-D-grit-wheel) is proposed. In this method, two effects are expected to occur-removal of workpiece by electrical discharge machining, and an in-process dressing action of the cutting edges on the grit. To investigate the basic grinding properties, ED-grinding with the EC-D-grit-wheel was performed against tungsten carbide under ED conditions of no load voltage E sub(0)=60V, pulse duration te/to=20/30 mu s, and set peak current Ip=0[approx]12A. The results indicated a significant decrease in the grinding force when the peak current was set at larger than Ip=8A.
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ISSN:1880-7534
1880-7534