Optimizing PCBN cutting tool performance in hard turning

摘要: Surface finish, in addition to tool wear, is an important aspect of PCBN performance hard turning. A set experiments that focused on the effects corner radius, chamfer angle/width, and edge radius severity interruption speed/feed at constant depth cut were performed. The was critical both wear surface finish performance. also shown be a key factor determining rate increase R with maximum flank length l w . Experiments continuous turning then performed determine evolution different Vand f. showed linearly increasing trend all At V, increased f independent , but / decreased Vas interaction model relates V formulated validated using more experimental data available literature. An optimization algorithm proposed which maximizes material removal holding prescribed value, operating within limit. essentially takes advantage lower higher internally consistent baseline used evaluate significance benefit adopting algorithm. Finally, guidelines for implementation real-world situations are presented.