The main object of CNC machining is parts.
Because the lathe numerical control devices all have the linear and circular interpolation functions, and some lathe numerical control devices have some non-circular curve interpolation functions, it can turn rotary parts with complex shapes composed of arbitrary linear and plane curve contours. Such as cylinder, cone, cone, ball, etc.
The accuracy requirements of parts mainly refer to the accuracy requirements of size, shape, position and surface, and the surface accuracy mainly refers to the surface roughness.
For example, parts with dimensional accuracy up to 0.001 or less; Cylindrical parts with high cylindricity requirements; Cone parts with high straightness, roundness and inclination of plain lines; And through the constant linear speed cutting function, machining various variable diameter surface parts with high surface accuracy requirements.