Abstract
The application of monolayer brazed diamond wheels in machining hard–brittle materials is always limited for the high transverse roughness on the ground surface of the workpiece. In the present investigation, a new dressing method, namely plate wheel dressing, was proposed for monolayer brazed diamond wheels in order to reduce the surface roughness of workpiece by micro-removing the over-protruded grits. To evaluate the effect of the dressing method, the grinding performance of the dressed diamond wheel was investigated in grinding SiC ceramics. Results obtained show that the contour of the grits was improved greatly and the quality of the workpiece was pretty good to meet the requirement of precision grinding. The transverse surface roughness Ra value reduced to the minimum value, i.e., 0.086 μm. This plate wheel dressing method can realize the precise dressing of the monolayer brazed diamond wheel.
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