How to prevent gear deformation after tempering

Release time:

2021-12-23

We all know that gears are easy to deform during heat treatment, and serious deformation can easily affect our daily work, so how should we prevent gears from deforming after heat treatment?

Organisational preparation for handling. It should be noted that in the normalizing or quenching and tempering treatment, it is necessary to keep the furnace temperature uniform, and the use of station appliances, so that the workpiece evenly heated and cooled, it is strictly prohibited to stack together. For gears that need to be drilled to reduce weight, the drilling sequence shall be arranged after heat treatment.

The heat treatment of the gear adopts high-frequency quenching of the tooth surface with small deformation of the parts; the tooth surface obtained after high-frequency quenching has high strength, hardness and wear resistance, while the core still maintains sufficient plasticity and toughness. to reduce deformation. High-frequency quenching of tooth surface should adopt lower quenching temperature and shorter heating time, uniform heating and slow cooling.

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