Technical Process of Read Vacuum Brazing Furnace Products

Vacuum brazing belongs to solid phase bonding, which is different from the melting method. The base metal does not melt during vacuum brazing. Because the brazing metal with lower melting temperature than the base metal is used, the heating temperature in the heating chamber of the vacuum brazing furnace is a connection method which is lower than the solid phase of the base metal and higher than the thick wire of the brazing fluid.

Vacuum brazing furnace is to coat the welded parts of the cleaned and decontaminated workpieces with flux, lay the solder on another part which needs to be welded, and also coat the welding surface with flux. After fixing the two parts, the vacuum brazing furnace will be heated to the temperature of solder melting to complete the welding.

It uses the furnace temperature to raise the temperature of the workpiece, and melts the solder whose melting temperature is lower than that of the workpiece, so that the workpiece can be welded.

In this process, heating should be as slow as possible to keep the internal and external temperatures of the products to be brazed consistent, otherwise the brazing quality will be directly affected.

Preheating, heat preservation, energy storage, heat preservation, brazing, heat preservation and power cut in industrial production are effective technological processes that can not only achieve the above objectives but also improve production efficiency. Vacuum brazing temperature and holding time are the key factors affecting brazing quality.

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