Abstract
Superabrasive grinding wheels are widely applied in today’s grinding industries due to its advantages such as long tool life, low wearing effect, fine dimensional stability etc. Dressing is one of most important processes of grinding operation that largely influences the workpiece quality and manufacturing productivity. However, dressing of superabrasive grinding wheel is low efficiency by conventional dressing method. In this paper, an a flashlamp-pumped pulsed Nd:YAG laser assisted dressing technique for metal-bonded CBN grinding wheel is developed, and experiment results demonstrate the proposed laser-assisted dressing technique is greatly improving dressing efficiency, reducing dressing time, extending the life of diamond dresser comparing to conventional dressing method. Key paramters of straintness, cylindricity and roughness of Crankshaft between before and after dressing operation is contrasted, the results proves that in the practical grinding process, the laser assisted dressing technique has similiar quality in contrast to conventional diamond dressing method and highly promotes the dressing efficiency.
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