It mainly refers to the new heat treatment technology which combines vacuum technology with heat treatment technology. The vacuum environment of vacuum heat treatment refers to the atmospheric environment below one atmospheric pressure, including low vacuum, medium vacuum, high vacuum and ultra-high vacuum. Therefore, vacuum heat treatment actually belongs to atmosphere-controlled heat treatment.China PVD Coating Systems Manufacturers
Vacuum heat treatment refers to all and part of the heat treatment process carried out in vacuum. Vacuum heat treatment can achieve almost all the heat treatment processes involved in conventional heat treatment, but the quality of heat treatment is greatly improved.
Compared with conventional heat treatment, vacuum heat treatment technology can achieve non-oxidation, no decarburization, no carburization at the same time, remove the phosphorus chips on the surface of the workpiece, and degrease and degassing, so as to achieve the effect of surface brightness and purification.
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