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Atmospheric carburizing and low pressure vacuum carburizing of gears
How to reduce the carburizing cost of gears is one of the most concerned issues in today’s gear manufacturing industry, especially the use of traditional atmosphere carburizing for deep carburizing is time-consuming and energy-consuming; secondly, traditional atmosphere carburizing often ca...
30CrMnSiA vacuum heat treatment process
After quenching and tempering, 30CrMnSiA has high strength, sufficient toughness and good hardenability. After quenching and tempering, the material can be used as grinding wheel shaft, gear and sprocket. 30CrMnSiA also has good workability, it has small deformation after processing, and has goo...
Vacuum heat treatment process of 40Cr steel
Heat treatment plays a very important role in mechanical manufacturing. Generally, it does not change the shape of the tool, and rarely changes its chemical composition. Instead, it changes the fine structure inside the tool, or the chemical composition on the surface of the tool, so as to improv...
Degreasing Process in Ceramic Injection Molding
Ceramic Injection Molding (CIM for short) is a new type of near-net-shape technology for ceramics. The feed material is injected into the mold cavity and cooled and solidified to form, and then the organic matter in the formed blank is removed by heating or other physical and chemical methods, an...
Vacuum Heat Treatment Process Prevention of Cemented Carbide Tool Cracks
Welding cracks are common welding defects of alloy cutting tools. The reasons are mainly caused by the following aspects: 1.1 The effect of cemented carbide hardness on crack formation Generally, the higher the strength of the cemented carbide, the less likely to have cracks during welding. Howe...
Factors Influencing the Quality of Reaction Sintered Silicon Carbide
Silicon carbide ceramics have excellent properties such as high mechanical strength, high temperature resistance, strong oxidation resistance, good thermal stability, high thermal conductivity, good wear resistance, good chemical corrosion resistance, high hardness, and good thermal shock resista...
CVD/PCD Diamond Tool Brazing
Single crystal cutting tools is mainly in the field of ultra-precision machining cutting tool, the cutting tool is general quality is greater than 0.1 g, the path is not less than 2 mm long, which can realize the mirror machining, can work out high precision and low surface roughness of workpiece...
Vacuum Brazing of Silicon Nitride Ceramics and 45 Steel
In this paper, the Al-Si alloy foil is used as the intermediate reaction layer of vacuum brazing, and the vacuum brazing of silicon nitride ceramics and 45 steel is experimentally studied under the conditions of certain brazing temperature and holding time. Selection of brazing filler metal: In ...
Design of Heating Chamber of High Temperature Vacuum Brazing Furnace
Brazing is a welding technology that uses a solder with a lower melting temperature than the base metal, adopts an operating temperature lower than the solidus of the busbar and higher than the liquidus of the solder, and connects the base metals together through the molten solder. The vacuum bra...
Pollution causes of precision alloy vacuum furnace
Vacuum furnaces are mostly used for ferrous metal heat treatment. Due to the easy access to the required surface quality, the pollution of vacuum furnaces has not attracted much attention. Vacuum furnace manufacturers have not made great efforts to solve this problem, especially for heat treatmen...