In a processing, there will be many processing technologies. Our processing needs to use these technologies in order to become better. We cannot lack one. The same is true for CNC precision parts processing. Then CNC precision parts processing What is the low temperature chemical heat treatment?
In order to improve the corrosion resistance, wear resistance, thermal fatigue resistance and anti-adhesion properties of the mold, ion nitriding can be used. The outstanding advantage of ion nitriding is that the nitriding time is obviously shortened, the structure of the nitriding layer can be controlled by adjusting different gas components, the surface brittleness of the nitriding layer is reduced, the deformation is small, the hardness distribution curve of the nitriding layer is relatively stable, and it is not easy to peel off And heat exhaustion.
The permeable matrix material processed by CNC precision parts is wider than gas nitriding, non-toxic, non-explosive, safe in production, but for molds with complex shapes, it is difficult to obtain uniform heating and uniform infiltration layer, and the infiltration layer is shallow and transitional The layer is relatively steep, and temperature measurement and temperature uniformity still need to be resolved.
The ion nitriding temperature should be 450～520℃. After 6～9 hours of treatment, the depth of the nitriding layer is about 0.2～0.3mm. If the temperature is too low, the seepage layer is too thin; if the temperature is too high, the surface layer is prone to loose layer, which reduces the ability of anti-sticking.
CNC precision parts processing analysis, the thickness of the ion nitriding layer is 0.2 ~ 0.3mm. The worn ion nitriding mold can be put into use again after repairing and ion nitriding again, which can greatly improve the total service life of the mold.
