Cutting should have several

Turning tool life and productivity depend on cutting tool materials. Which cutting should have the following aspects : 1. Chilled resistance: a hardness at room temperature, also known as abrasion resistance. 2 hot hardness: cutting temperatures can still  Diamond blade  the required hardness. High temperatures has the highest hardness value is called the "red hot hardness." 3 tenacity: cutting parts of the material should have sufficient strength and toughness to withstand the vibrations  polycrystalline diamond  the cutting and impact. Tool material "nature" are interrelated. Such as chilled and hot hardness higher material, its tenacity may be poor;