CNC finishing workpiece material Strength and hardness: In CNC finishing machining, the harder the material being cut, the greater the cutting force required, the greater the energy consumed, the greater the heat generated, the faster the degree of tool wear, the shorter the tool life. And the hardness and strength of the workpiece and tool wear is positively proportional to the relationship, that is to say, the greater the strength and hardness of the material in the machining of the greater the energy consumed, the faster the temperature rises, the faster the wear of the tool, thus affecting the cutting performance of the material.

CNC finishing workpiece material thermal conductivity: the workpiece is mainly through the chip to take away heat to dissipate heat, the better the thermal conductivity of the material, the more heat taken away by the chip during processing, the more conducive to lowering the temperature of the workpiece, reduce tool wear, extend the service life of the tool, improve the cutting performance of the material.

CNC finishing workpiece material toughness: toughness refers to the resistance to fracture when subjected to stress, indicating the ability of the material to absorb energy in the process of plastic deformation and fracture. The better the toughness, the greater the energy absorbed, the higher the temperature of the cutting area during machining, exacerbating tool wear and affecting the cutting performance of the material.

CNC finishing workpiece material plasticity: plasticity refers to the role of external forces, the material can be stable permanent deformation without destroying its integrity. The greater the plasticity of the material in the processing of the more easily deformed, the higher the temperature of the cutting area will be, the tool is prone to chip tumour, affecting the surface quality of the workpiece, but also reduces the service life of the tool, affecting the machining performance of the material. If the plasticity of the material is too low, the material is known as brittle material, in the processing of heat will be concentrated in the cutting edge, it is not easy to dissipate the heat, resulting in higher temperatures in the cutting area, exacerbating the wear of the tool, affecting the cutting performance of the material.