Camshaft induction heating quenching quality

After the 8 cams are cooled by induction heating and immersion, the depth and quenching hardness of the hardened layer are shown in Table 3 . It can be seen from Table 3 that both indicators meet the technical requirements of the product map. It can be seen from the cross-sectional view of the quenched part of the cam that the hardened layer is uniform and the position is correct.
Table 3 Camshaft quenching hardness and depth of hardened layer

After the camshaft is quenched, the increased value of radial runout is tested to be 0.15mm , which can meet the requirements of the next process without straightening. The temperature of the quenching medium is in the range of 10°C-40°C , and the quenched cam has no quenching cracks through fluorescent inspection.

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