Laser cleaning and dressing of vitrified grinding wheels

Grinding is an industrial process that produces engineering components with a desired surface finish. Prior to the development of continuous dressing operations, the grinding efficiency of vitrified grinding wheels deteriorates as the sharp cutting edges become blunt due to the formation of wear fla...

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Bibliographic Details
Published in:Journal of materials processing technology 2007-04, Vol.185 (1), p.17-23
Main Authors: Jackson, M.J., Khangar, A., Chen, X., Robinson, G.M., Venkatesh, V.C., Dahotre, N.B.
Format: Article
Language:English
Subjects:
Aerospace materials
Grinding
Laser materials processing
Tool steels
Vitrified grinding wheels
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Summary:Grinding is an industrial process that produces engineering components with a desired surface finish. Prior to the development of continuous dressing operations, the grinding efficiency of vitrified grinding wheels deteriorates as the sharp cutting edges become blunt due to the formation of wear flats. Dressing is essentially a sharpening operation designed to generate a specific topography on the working surface of the grinding wheel. The use of high power lasers is being explored as a non-contact cleaning and dressing technique. In the present study, a high power laser was used to clean metal chips from the surface of the grinding wheel and to dress the wheel by causing phase transformations to occur on the surface of vitrified grinding wheel. Experimental results indicated that laser modified grinding wheels are comparable in performance to conventionally cleaned and dressed grinding wheels.
ISSN:0924-0136
DOI:10.1016/j.jmatprotec.2006.03.109