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316L stainless steel vacuum sintering
Powder metallurgy sintered austenitic (SS-300 series) stainless steel is widely used in industry, among which sintered 316L has excellent corrosion resistance. Austenitic stainless steel does not undergo phase transformation after heat treatment, and cannot be hardened by heat treatment. In the c...
Vacuum brazing of honeycomb sealing structure
The power turbine part of the FT8 gas turbine adopts a large number of honeycomb sealing structures. The brazing technology of honeycomb structure is a difficult new technology. Setting, control of brazing material, brazing process and equipment, inspection of brazing quality, etc. 1. Solder sta...
Knife and scissors vacuum heat treatment
In the international market, the cutting tool manufacturing industry in Japan and West Germany is very developed, and the technology and quality are in a leading position in the world, especially in terms of raw materials, which are superior to my country’s knife and scissors industry. Ther...
Vacuum heat treatment of stop spring
The stop spring is one of the important parts in the compensator body of the governor. During the working process, the position of the adjusting screw sleeve is fixed by the stop spring, so as to adjust the oil volume of the engine at medium and low speed. Since the thickness of the part is only ...
Vacuum brazing heat treatment technology of joystick assembly
Vacuum brazing is a kind of advanced welding in which the workpiece is in a vacuum state, that is, in a negative pressure atmosphere, using a heat source to heat the solder into a liquid, and relying on the action of the capillary to fill the gap between the solid parts and form a metallurgical c...
Disc mold vacuum brazing
Discs used in DVD players are thermoformed using molds. In order to ensure the quality of the disc, high technical requirements are placed on the mold. The surface hardness of the mold after quenching is greater than HRC58, and the long-term stability of the mold size must also be maintained. Dur...
Low pressure sintering nanocomposite WC-Co powder
As we all know, after vacuum sintering of cemented carbide products, the holes in the pressed parison can be eliminated, and the densification process is basically completed. However, in order to further improve the density and bending strength of cemented carbide, follow-up hot isostatic pressin...
204 Bearing Ring Vacuum Heat Treatment
Vacuum quenching heat treatment has the advantages of safe operation, cleanness, no pollution and bright surface, no oxidation, no decarburization, small deformation, and high service life. Therefore, vacuum heat treatment technology has developed rapidly in recent years. SIMUWU is a domestic man...
Vacuum Heat Treatment of Cross Groove Fine Punching Die
The screw cross groove fine punching die has to bear a lot of high-frequency repeated impact, compression and bending stress in the production and use. The main failure mode is the early fracture or fatigue fracture of the cross groove bar, and the case of wear failure is rare. Therefore, the cro...
Vacuum Heat Treatment of Steel Needle Valve
The injector needle valve requires high wear resistance, high strength, high dimensional stability and certain impact toughness, and is made of W18Cr4V steel. The needle valve parts were previously heated in a salt bath furnace and then quenched by oil. The heat treatment caused large deformation...