precision machining subsequent process-heat treatment

Next, PTJ Manufacturing Shop will focus on the importance of analyzing the subsequent heat treatment of cnc precision machining:
The heat treatment includes three stages of heating, heat preservation and cooling. The main factors that play a role in heat treatment are temperature and time.
Heat treatment is to heat the steel to a certain temperature in the solid state, carry out the necessary heat preservation, and cool to room temperature at an appropriate speed to change the internal structure of the steel to obtain the desired properties.
In cnc precision machining, heat treatment is to improve the mechanical function of mechanical parts, to ensure that the processing quality meets the needs of commodity use.
The importance of cnc precision machining heat treatment is as follows:

• Its purpose is to change the internal structure of steel to improve the performance of steel.
• Through the appropriate heat treatment, the mechanical properties of the steel can be significantly improved, and the service life of the machine parts can be prolonged.
• The heat treatment process can not only strengthen the metal material to fully exploit the material performance potential, reduce the structural weight, save materials and energy, but also improve the quality of mechanical products and greatly extend the service life of machine parts.
• Appropriate heat treatment process can eliminate various defects caused by hot working processes such as casting, forging and welding, refine grains, eliminate segregation, reduce internal stress, and make steel structure and performance more uniform.

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