Manufacturing continues to be a significant sector of modern economies and an important growth sector in the world. Manufactures continually search for new and lower cost methods to manufacture products as well as more efficient application of existing process technologies. There are a variety of precision mechanical components such as bearings, gears and mould & die, which are made of hardened steels, have to be machined to a high degree of precision. The availability of PCBN(Polycrystalline Cub...