Pengenalan Perawatan Permukaan Quenching

The workpiece is rapidly heated by different heat sources. When the surface temperature of the workpiece reaches above the critical point (at this time, the temperature of the workpiece center is lower than the critical point), rapid cooling is performed to harden the surface layer of the workpiece and maintain the original structure of the workpiece center. Induction heating and flame heating surface hardening are widely used in industry.