Abstract
A series of patterned monolayer brazed cubic boron nitride (CBN) wheels were prepared to study the influence of arraying parameters on their dry grinding performance on hardened steel. The effect of grit spacing in grinding direction (X) and lateral direction (Z), grit size, and arraying angle on the grinding force, grinding temperature, and surface roughness was examined. Under a constant CBN grit density, varying the grit spacing in different directions and arraying angles had a minor influence on grinding forces and grinding temperature. However, the surface roughness decreased when the grit spacing X was increased and spacing Z was decreased. With the increase of grit spacing or a decrease of grit density, the grinding forces and the grinding temperature decreased, and the surface roughness increased. Use of larger grit size also increased grinding forces, grinding temperature, and surface roughness. At an arraying angle of 50°, the grinding force, grinding temperature, and surface roughness achieved minimum.
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