High speed, high efficiency, low carbon and environmental protection are the overall trend of metal cutting in the modern world. But the increasing of tool life and cutting efficiency is restricted by the rapid wear of tool. Research of bionic tribology shows that:non-smooth surface (surface texture), which having certain microstructure unit, has a smaller frictional resistance. But not the smoother the friction surface is, the smaller the friction is. Reasonable surface microstructure can play a good part ...