A Novel Electro-Discharge Dressing Technique for Nonelectrical Diamond Grinding Wheels

L.R. Cai; J.H. Yu; Z.M. Wan

doi:10.4028/www.scientific.net/KEM.455.165

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 455A Novel Electro-Discharge Dressing Technique for...

A Novel Electro-Discharge Dressing Technique for Nonelectrical Diamond Grinding Wheels

Abstract:

Conventional electrical discharge truing/dressing(EDD) technology shows important limitations that it is only applicable to electrical grinding wheels. This paper proposed novel EDD technology which could truing/dressing nonelectrical superabrasive grinding wheels such as resin-bonded diamond wheel and vitrified CBN wheel by means of covering electrical material on the surface of wheel. The principle of removing non-electrical bond during dressing process is illustrated. The results of electrical discharge dressing under different discharge current（ie）were compared. Experiments results indicate that the EDD method proposed in this paper has been applicable to nonelectrical bond wheels. In addition, discharge current has direct influence on the wheel surface topography and the performance of diamond grain.

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Periodical:

Key Engineering Materials (Volume 455)

Pages:

165-168

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.455.165

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Online since:

December 2010

Authors:

L.R. Cai, J.H. Yu, Z.M. Wan

Keywords:

Dressing, Grinding Wheel, Mechanism, Nonelectrical

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References

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