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Vacuum Hardening of Alloy Steel
The so-called vacuum hardening is to heat the steel to 30-50°C above Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel) under vacuum conditions, and put it into various cooling media after heat preservation to obtain Martensitic steel. body tissue. The purpose of vacuum hardening is to trans...
Aerospace Vacuum Heat Treatment
The aviation industry is a high-tech industry, which adopts a large number of cutting-edge science and technology, selects various new materials with high specific strength, develops near-zero margin forming technology, precision and ultra-precision processing technology, and so on. In order to e...
Vacuum hardening of metal parts
Advantages and disadvantages of vacuum hardening of metal parts The surface of the workpiece after vacuum hardening of metal parts is bright, without carburization and decarburization. It can improve the service life of tools and dies that are subjected to friction and contact stress; after vacuu...
Vacuum Furnace For Powder Metallurgy
The structural characteristics of the vacuum furnace mainly include: (1) Powder metallurgy vacuum furnaces require strict vacuum sealing. Vacuum sintering or vacuum heat treatment of metal products is carried out in a closed vacuum furnace. Therefore, obtaining and maintaining the original air le...
Precautions For Daily Use Of Vacuum Furnaces
After vacuum furnaces are repaired, the furnace must be baked and vacuum leak detection must be carried out on the vacuum furnace. Before the vacuum furnace is baked, a 1000V shaker can be used to test the insulation of the vacuum furnace, which is normally not less than 2MΩ. Vacuum furnace dryin...
Defects and Improvements of Vacuum Furnaces
Vacuum heat treatment technology is widely used in aerospace, electronics, precision machinery. In the production of molds, there are incomparable outstanding advantages of ordinary heat treatment, because vacuum heat treatment has the advantages of non-oxidation, non-decarburization and bright s...
Improvement of Sealing Structure of Vacuum Furnaces
The vacuum furnace used for cemented carbide vacuum sintering has a design temperature of 1600°C, a volume of 50L, and a power of 50kW. The heating element is assembled with graphite rods, its working voltage is low (phase voltage<20V), and its working current is large (phase current>1000A)...
Technical Research On Vacuum Furnaces
1. Advantages of vacuum heat treatment Prevent oxidation, the surface does not oxidize, does not decarburize, and has the effect of reduction and derusting, eliminating the need for surface grinding processing; vacuum degassing, so that the surface purity of the material is improved, the fatigue ...
What is vacuum furnaces and how does it work?
Vacuum furnaces are an important processing equipment that has unique advantages and a wide range of applications. With the emergence of new materials and processes, the application prospects of vacuum furnaces are becoming increasingly broad, and they play an important role in promoting the imp...
Fault Analysis of Vacuum System of Vacuum Furnaces
1. Vacuum heat treatment With the development of science and technology, the application of vacuum heat treatment technology has spread throughout all walks of life. The more advanced the field, the stronger the requirements for vacuum heat treatment technology. Now, the technology has become a ...