The improvement effect of cryogenic treatment technology is to penetrate into the interior of the treated part (overall effect). Because it is not limited to the surface, the modification effect of the workpiece will not be invalidated when the cutting tool is reground and reused, and the shape and size of the workpiece will not only cause no effect. It also has the functions of enhancing dimensional stability and reducing quenching stress; the process system is simple, the power consumption is low, it is not limited by the shape and size of the workpiece, and the operation is simple; without any environmental pollution, it is a safe and environmentally friendly technology.
