2007 Volume 51 Issue 5 Pages 296-301
The mechanism of "cutting edge truncation," which has been proposed as an effective means to achieve ductile mode grinding of hard and brittle materials and/or mirror-finish grinding of aluminum, was analyzed by Monte Carlo simulation. The results of theoretical analysis indicated that the ground surface roughness was significantly improved by aligning the cutting edge height and flattening the cutting edge shape. The maximum grain depth of cut also decreased due to the effect of decreasing the cutting edge interval, although there were limits to the effect. The results of grinding experiments indicated that excessive flattening of the cutting edge shape caused deterioration of the ground surface in the case of ductile materials, while in the case of hard and brittle materials, proper selection of grinding conditions is required to achieve the ductile mode grinding.
