Formation Mechanism of Finished Surface in Ultra-High Speed Grinding with CBN Wheels(CBN grinding technology)

概要

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This paper describes the formation mechanism of finished surface in ultra-high speed grinding under a peripheral wheel speed higher than 200 m/s. Grinding experiments using a grinding machine tool equipped with an active magnetic bearing spindle have been conducted over a range of grinding speeds from 60 to 300 m/s. Moreover, grinding tests for producing some individual grinding grooves by using a grinding tool having multi-point CBN grits have been carried out to make clear the effects of grinding speed on the swell-out residuals formed along the both sides of the grinding grooves. From these experiments, we have confirmed that the ground surface roughness tends to improve with an increase of grinding speed and it is closely related to the decreasing of the swell-out residual rate by increasing the grinding speed.
一般社団法人日本機械学会の論文
2005-10-18