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Development prospect of vacuum heat treatment furnace industry

Time:2021-03-03 09:08 Click:
     Vacuum heat treatment has the advantages of no oxidation, no decarburization, bright surface of workpiece, small deformation, no pollution, energy saving, high degree of automation, and wide range of application. It is one of the new heat treatment technologies developed rapidly in recent years, especially in the surface modification of aviation materials.

   Many newly developed advanced heat treatment technologies, such as vacuum high pressure gas quenching and vacuum chemical heat treatment, also need to be implemented under vacuum. Vacuum heat treatment technology can greatly improve the quality and service life of structural materials, tools and dies, especially suitable for heat treatment of some precision parts.

   With the development of vacuum heat treatment technology, vacuum heat treatment equipment such as vacuum tempering furnace, vacuum quenching furnace, vacuum annealing furnace, vacuum carburizing furnace, vacuum sintering furnace, vacuum brazing furnace and so on have been successfully developed in China. In industry, the manufacturing technology and equipment level of vacuum furnace have been continuously improved, and the vacuum degree has gradually reached the international level There is still a certain gap in precision processing between China and foreign countries, especially in the stability of ultra-high vacuum furnace performance, which needs to improve the level of precision device preparation. In addition, the development of testing technology and measuring instruments has a great impact on vacuum equipment, especially automatic test and control technology. The accurate measurement and performance index of the parameters such as limit vacuum degree, working vacuum degree, empty furnace evacuation time, pressure rise rate, furnace temperature uniformity and empty furnace heating time are the main embodiment of vacuum furnace performance.
Vacuum sintering furnace
   In industrial developed countries, the proportion of vacuum heat treatment furnace has reached about 20%. At present, there are about 1200 vacuum heat treatment furnaces in China, accounting for about 1% of the total number of heat treatment furnaces. There is a big gap between China and foreign countries. It is expected that with the technical progress of heat treatment industry and the increasing requirements for the quality of heat treatment workpiece, the vacuum heat treatment will have great development.
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