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Let’s talk specifically about the characteristics of the surface heat treatment process of honing tubes.
The actual definition of the surface heat treatment process of honing tubes is a metal heat treatment method that changes the surface properties by heating and cooling the surface of cast iron parts. The characteristics of the surface heat treatment process:
1. Strength
The high-frequency magnetic induction surface layer heat treatment process has higher intensity.
2. Wear resistance
Honing tubeThe surface heat treatment process has higher wear resistance and fatigue wear resistance under dry friction and drag wear conditions. This is due to the comprehensive result of fine austenite crystals in its structure, high cementite diffusion and relatively high ground stress in the surface layer.
3. Fatigue limit
The surface heat treatment process of the honing tube can significantly increase the fatigue limit of the product workpiece. For example, for automobile axles made of 40MnB steel, the original processing technology is overall heat treatment, which is changed to heat treatment + surface heat treatment process, and the service life is greatly increased. In addition, the surface heat treatment process reduces the part's susceptibility to voids. The surface heat treatment process is carried out in order to better improve the characteristics of the product. At the same time, it is widely used in every field, which is closely related to the characteristics of the two.