Reasons for heat treatment in machining
1. Remove the internal stress of the blank. Mostly used for castings, forgings, welded parts.2. Improve the processing conditions to make the material easy to process. Such as annealing, normalizing, etc.
3. Improve the comprehensive mechanical properties of metal materials. For example, conditioning treatment.
4. It is possible to increase the hardness of the material. For example, quenching, carburizing quenching, etc.
Corresponding heat treatment process for machined parts will help to increase the hardness, wear resistance and strength of machined parts, and greatly enhance the precision and service life of machined parts.