Paper Title:
Effect of Complex Electrodischarge Grinding for Electrically Conductive PCD
  Abstract

Polycrystalline Composite Diamond (PCD) is excellent in chipping resistance despite its very high hardness. However, it is not easy to EDM or grind PCD. To realize high efficiency and high quality processing of PCD simply and at low cost, the authors devised new PCD (EC-PCD) by using electrically conductive diamond particles and applied a complex electrodischarge grinding method. In this study, investigation is made on effective grinding condition to realize high efficiency, low and stable grinding force and low wheel wear in complex electrodischarge grinding. As a result, superior grinding property was obtained when the grinding wheel was set at minus polarity, and set peak current of iP = 4 and 6 A was applied. Furthermore it also became clear that additional conventional grinding process followed after complex electrodischarge grinding improved the surface condition.

  Info
Periodical
Chapter
Chapter 1: Grinding Technology
Edited by
Taghi Tawakoli
Pages
276-281
DOI
10.4028/www.scientific.net/AMR.325.276
Citation
M. Iwai, S. Ninomiya, K. Suzuki, "Effect of Complex Electrodischarge Grinding for Electrically Conductive PCD", Advanced Materials Research, Vol. 325, pp. 276-281, 2011
Online since
August 2011
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Price
$32.00
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