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Micro-alloyed vacuum carburized gear steel
The common feature of the new gear steel is that it is micro-alloyed and used after vacuum carburizing, so that resources and energy can be saved in the production process of gears, and it has high performance during use. 1 High temperature carburizing gear steel Experiments show that in order t...
What should we do when problems occur in vacuum heat treatment?
First of all, vacuum heat treatment technology is a very widely used technology, which is widely used in aerospace, electronics and precision machinery. In the production of mold, it has outstanding advantages that ordinary heat treatment cannot compare with, because vacuum heat treatment has the...
High temperature vacuum carburizing gear steel
When the gear carburizing temperature is increased from 930 ℃ to 1 000 ℃, the carburizing time can be shortened by more than 50%, and the production efficiency can be significantly improved. However, the austenite grains tend to grow during high temperature carburization of commonly used gear st...
Gear vacuum carburizing process
Agricultural vehicles and tractor transmission gears are generally made of 20CrMnTi low carbon alloy steel. Because agricultural vehicles and tractors mostly drive on country roads, fields and poor road conditions, high strength, high wear resistance, high hardness, high impact toughness, and hi...
Vacuum heat treatment of steel ring
GCr15SiMn steel ring is a kind of wear-resistant accessory on concrete pump truck. Because it has been in contact with wet cement sand and gravel particles such as concrete for a long time during operation, is worn by abrasive particles and eroded and corroded by concrete slurry, and the service ...
Vacuum Heat Treatment Process of Cr12MoV Steel Die
1 Steel mold vacuum heat treatment technology A factory is producing the lower die of a certain mold, the size is 14×100×140 (mm), the hole tolerance of 6~12mm is required to be ±0.01 mm, the hole spacing tolerance is ±0.02mm, and the warpage of the plane is > 0.02 mm, the hardness is HRC50 ~...
Low temperature carburizing of 9Cr18 stainless steel surface
1 Introduction 9Cr18 martensitic stainless steel is the most widely used stainless steel in the bearing field. It has good corrosion resistance and its quenching hardness (58-60HRC) is lower than that of conventional bearing steel (60-64HRC). Bearing failure mainly occurs in the working surface a...
Low Pressure Vacuum Carburizing Heat Treatment Process for Transmission Gears
The automobile transmission is mainly composed of a series of gear transmission devices. These gears need to withstand a lot of friction and collision during use, so they need to improve their overall strength through heat treatment and carburizing process. In order to achieve low cost and high p...
Vacuum Brazing of K9 Glass and 2507 Stainless Steel
1 Introduction K9 glass is a ceramic optical borosilicate glass with excellent optical properties, good chemical stability, low density, extremely high glass transition temperature (Tg≈719℃) and low cost. Therefore, it is a commonly used optical and microsystem material, which can fabricate micro...
Development of aluminum foil vacuum annealing furnace
1 Introduction to structure The aluminum foil vacuum annealing furnace unit is mainly used for the finished annealing of aluminum foil coils. The surface of the workpiece after vacuum heat treatment is not oxidized and decarburized, with small deformation and good mechanical properties. The main ...