The result express that the surface roughness of cutting-tools influence the roughness and the workhardening of the machined surface compare greatly.

• 试验表明:刀具各刀面粗糙度对已加工表面粗糙度和加工硬化有较大影响,刀面粗糙度增大,已加工表面粗糙度和加工硬化随之增大;