How long does it take to temper the camshaft after induction heating?

Induction hardening is high-frequency induction hardening, and if the shaft is no longer ground after high-frequency hardening, the shaft must be tempered. The compressive stress on the surface of the camshaft after induction hardening helps to improve the fatigue strength of the shaft. In addition, the purpose of induction hardening of the camshaft is probably mainly to improve the strength of the shaft and the wear resistance of the shaft surface. If the shaft needs to be ground, in order to avoid grinding cracks, the shaft should be tempered at about 220 degrees Celsius for a long time before grinding.

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