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Släckande självhärdande metod

Släckande självhärdande metod

Quenching and self-tempering method: heat all the workpieces to be processed, but only the part that needs to be hardened (usually the working part) is immersed in the quenching liquid for cooling during quenching. , immediately take out the quenching process cooled in air. The quenching self-tempering method uses the heat that is not completely cooled in the core to be transferred to the surface to temper the surface. Commonly used for impact-bearing tools such as chisels, punches, hammers, etc.