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Vacuum brazing technology of laminated aluminum evaporator
The evaporator is an important part of the automobile air conditioner, which forms the air conditioning component with the heater core, fan, plastic shell, etc., and is located at the lower part of the automobile dashboard. The automobile refrigeration system is composed of a condenser, a circula...
How to Leak Detection of Vacuum Furnace
Blow-through method is a traditional leak detection method, which involves evacuating the furnace chamber, applying helium gas outside the furnace (such as connecting a helium mass spectrometer), and then observing the results. Another method is the nozzle detection method, which is suitable for ...
304 stainless steel cold rolling and vacuum annealing process
Stainless steel has excellent quality and characteristics, so its application range is getting wider and wider, and the production and demand of stainless steel around the world have been showing a trend of continuous growth. As a general-purpose corrosion-resistant material, 304 stainless steel ...
How to control distortion in vacuum heat treatment of sheet parts?
Thin metal parts are a kind of parts with high requirements for distortion. Taking 35CrMnSiA steel parts as an example, it is a common quenched and tempered steel with good hardenability and is widely used in the production of various thin sheet parts. When processing the quenching in this vacuum...
Vacuum Brazing and Heat Treatment Process of Stainless Steel Surgical Instruments
Surgical instruments used for holding suture needles and knotting are inlaid with cemented carbide at their working ends to obtain better wear resistance, anti-skid performance and easy maintenance and replacement. In recent years, our factory has adopted the vacuum brazing heat treatment compos...
Vacuum heat treatment of sheet parts
Thin metal parts are widely used. Some precision equipment not only requires high strength, but also requires high precision for thin parts. Therefore, it is necessary to control the distortion of thin parts during heat treatment. During the atmosphere protection heat treatment of the sheet in th...
Effect of Vacuum Annealing Temperature on Stainless Steel Cold Rolled Sheet
1. Experimental materials and methods Using 430 stainless steel cold-rolled sheet as the raw material, eight annealing samples with the size of 160 mm × 40 mm were taken from three directions of 0°, 45° and 90° respectively from the rolling direction to simulate the vacuum annealing experiment. ...
Effect of Vacuum Annealing on Properties of 304 Stainless Steel Tensile Billets
1.Stainless steel refers to the steel with high chemical stability in air or various environments, or in water, fire or aqueous solutions of various acids, alkalis and salts. Wide and versatile high alloy steel. Stainless steel is not only a corrosion-resistant material, but also a wear-resistant...
Vacuum heat treatment of electrical pure iron
Electrical pure iron, also known as industrial pure iron, is a high-quality steel with iron content above 99.5%. It is a low carbon, low sulfur and low phosphorus iron. Industrial pure iron is mainly used for electromagnetic relay, pure iron for iron core, soft magnetic pure iron, pure iron for m...
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...