vacuum heat treatment furnace sdvantages

Vacuum heat treatment skill is a comprehensive skill which is connected with vacuum technology and heat treatment technology. It is carried out in vacuum form in whole and part of heat treatment process. China divides vacuum into four types: low, medium, high and ultra-high vacuum. At present, the task vacuum degree of most medium frequency vacuum heat treatment furnaces is 1.33 ~ 1.33 × 10-3pa.

Vacuum heat treatment can almost complete all heat treatment processes, such as quenching, annealing, tempering, carburizing, nitriding. In the quenching process, it can complete air quenching, oil quenching, nitrate quenching, water quenching, etc., and it can also carry out vacuum brazing, sintering, surface treatment, etc. The vacuum heat treatment furnace has high thermal efficiency, can achieve rapid leveling and cooling, can complete no oxidation, no decarburization, no carburization, can remove the phosphorus chips on the surface of the workpiece, has the effect of degreasing and degassing, and then reaches the result of surface bright light purification. Generally speaking, the workpiece to be disposed is heated slowly in the vacuum induction furnace, the internal temperature difference is small, the thermal stress is small, so the deformation is small. The qualified rate of products is high. It can reduce cost, have degassing effect, and then improve the mechanical function and service life of the task. Good task, safe operation, no pollution and public hazards. There is no risk of hydrogen embrittlement in the workpieces to be disposed, and hydrogen embrittlement on the surface of titanium and refractory metal shell is avoided. The vacuum heat treatment process has good invariability and repeatability. This series of advantages, the development of vacuum heat treatment equipment and technology has been more and more attention and use more and more widely.

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