Effect of Complex Electrodischarge Grinding for Electrically Conductive PCD

Manabu Iwai; Shinichi Ninomiya; Kiyoshi Suzuki

doi:10.4028/www.scientific.net/AMR.325.276

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Research on the Chemical-Mechanical Grinding (CMG) Tools for Al₂O₃Ceramic
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Effect of Complex Electrodischarge Grinding for Electrically Conductive PCD
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A Quick-Test Method to Determine the Grinding Wheel Topography Based on Acoustic Emission
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Grinding Monitoring through Thermal Acoustic Emission Signatures
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Development of Three-Dimensional Measurement System of a Grinding Wheel Surface with Image Processing
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 325Effect of Complex Electrodischarge Grinding for...

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 i_P= 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.

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Periodical:

Advanced Materials Research (Volume 325)

Pages:

276-281

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.325.276

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Online since:

August 2011

Authors:

Manabu Iwai, Shinichi Ninomiya, Kiyoshi Suzuki

Keywords:

Boron-Doped Diamond (BDD), Complex Electrodischarge Grinding, EC-PCD, Electrically Conductive Diamond, Grinding, Grinding Ratio, PCD, Stable Grinding Force

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References

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