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Mold steal vacuum heat treatment technology
The service condition of the mold is very important. It needs to bear large tensile, compressive and shear loads, often in a complex state of stress, and is also subjected to periodic impact loads, often at high temperatures, accompanied by strong Work in harsh conditions of mechanical wear, so t...
Vacuum carburizing and quenching of thin-walled ring gears and arc gears
Large thin-walled ring gears and arc gears are prone to deformation such as oval, warping and swelling after long-term vacuum carburizing and vacuum quenching. Once the deformation is out of tolerance, it is difficult to correct and repair, resulting in out-of-tolerance or even scrapped in post-g...
Titanium alloy and stainless steel dissimilar metal vacuum brazing
Titanium alloys have low density, high specific strength, excellent corrosion resistance, good high temperature strength and low temperature toughness, and biological phase.It is widely used in aerospace, shipbuilding, nuclear industry, petrochemical and other fields. With the gradual development...
Vacuum Brazing Process of Slide Valve Sub-assemblies
Vacuum brazing is a process method for welding parts without applying flux in vacuum. It can be used for materials and structures that are difficult to weld. It can obtain smooth and compact brazed joints with excellent mechanical properties and corrosion resistance, and the thermal stress of the...
Alternate Vacuum Brazing Process for Aluminum Alloy Materials
With the development of avionics systems, the requirements for airborne electronic equipment are getting higher and higher, and the chassis of airborne electronic equipment is required to have a complex and compact structure, strong electrical and thermal conductivity, high heat conduction effici...
The situation and solution of the scrapped vacuum furnace
1.The thermocouple breakdown product is scrapped Phenomenon and reasons: When brazing and heating, the high temperature breaks down the thermocouple tube shell. The thermocouple conduction temperature display record is noticeably inaccurate. The atmosphere enters the furnace with the tube shell, ...
MIM Process Equipment
Metal Powder Injection Molding (MIM for short) is a near-net-shape forming technology formed by introducing modern plastic injection molding technology into the field of powder metallurgy. The basic process of MIM is shown in the figure: firstly, the solid powder and organic binder are uniformly ...
Vacuum heat treatment process of automobile gearbox gears
Gearbox gears are located in the transmission part of the car and are used to transmit torque and power and adjust speed. Due to the transmitted torque, the tooth root To withstand large bending stress and alternating stress; due to the wide range of gear speed changes in the gearbox, the gear su...
Carbide vacuum brazing
For the development and application of cemented carbide, quality is becoming more and more important, but in the process of vacuum welding in some manufacturers, some problems often occur, such as cracks. The root cause of vacuum brazing cracks is that the tensile stress generated during the vacu...
Selection of Quenching Cooling Medium
Quenching is the most critical process in the heat treatment process, which ultimately determines the inherent quality and distortion of the quenched parts. Quenching and cooling technology has been continuously improved with the development of heat treatment technology from beginning to end. How...