Vacuum Brazing Furnace Knowledge

Vacuum brazing refers to the heating of workpiece in vacuum chamber, which is mainly used for welding products with high quality and oxidizable materials. Vacuum brazing furnace is a protective sintering furnace for heated articles in vacuum environment. There are many heating modes, such as resistance heating, induction heating, microwave heating and so on.

Vacuum induction furnace is a kind of furnace which uses induction heating to sinter the heated articles protectively. It can be divided into power frequency, intermediate frequency and high frequency. It can be classified as vacuum brazing furnace, including vacuum brazing with circular vacuum, which is mainly used in vacuum brazing of aluminium plate-fin heat exchanger, air conditioning evaporator, automobile heat exchanger, radar grid antenna and waveguide tube. It can be used for ageing and annealing of some nonferrous metals.

The size and position of the cylinder side wall and the pressure vessel of the door are designed to close one end of the cylinder side wall. The workpiece processing system is installed on the pressure vessel door to support the metal workpiece for heat treatment or brazing. The workpiece processing system includes a device that rotates the workpiece during processing. The vacuum system can be connected to the workpiece so that the internal pressure of the workpiece is lower than the atmospheric pressure during brazing. In view of the large-scale development of this kind of products, there are super-large and super-long furnace types to choose from, and equipped with a safe and reliable feeding and discharging truck system.

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