04

2020-12

How does vacuum brazing work

Vacuum brazing furnace is a large Bai type heat treatment equipment, which can carry out vacuum brazing, vacuum annealing, vacuum aging and other processing. Several different programs can be programmed to control and program hundreds of heat t...

23

2020-11

Possible problems of continuous nitrogen protection brazing furnace

Main features of aluminum brazing furnace   1. From the stirring and spraying of flux, the drying, brazing and cooling of the products are carried out continuously and automatically, which ensures the mass production and saves the cost of...

17

2020-11

Why vacuum furnace needs to be vacuumized before heating

vacuum furnace heating 1. The aluminum core is put into the vacuum box to vacuumize the gas components that can be extracted from the material of the workpiece.   If the workpiece is heated first, the gas will expand when heated. Due t...

17

2020-11

Solution to scrap of vacuum brazing furnace parts

vacuum brazing furnace Scrapping of thermocouple breakdown products 1. Phenomenon and reason: in brazing heating, high temperature breakdown thermocouple tube shell. The display screen of thermocouple conduction temperature is obviously inaccu...

16

2020-11

aluminum brazing furnace Temperature management

1.  Overview Protective atmosphere continuous aluminum brazing furnace is a kind of brazing equipment for aluminum radiator. It is suitable for brazing aluminum radiator, condenser, evaporator, intercooler and oil cooler. It is widely used in veh...

16

2020-11

vacuum brazing technology Application

1、 Preface   Vacuum brazing technology has become a promising welding technology since 1940s. First appeared in the electronic industry brazed copper and stainless steel parts, and then applied to the aviation industry, atomic energy ind...

13

2020-11

Reason and treatment of red copper oxidation

Reason and treatment of red copper oxidation   Red copper oxidation causes and red copper anti oxidation treatment? The blackening of red copper is the performance of copper oxidation. There are many reasons for copper oxidation. In order...

11

2020-11

Cause analysis of molybdenum screen cracking in high temperature vacuum brazing furnace

In high temperature vacuum brazing furnace, the metal honeycomb carrier of automotive three-way catalytic purifier was brazed in vacuum. The molybdenum screen of furnace liner was deformed and cracked in a short time. The morphology and chemical c...

10

2020-11

Positioning fixture for aluminum brazing

During brazing, the components connected by the brazed parts must be fixed in the position for assembly. During the whole brazing process, the relative position should be fixed to ensure that the welding gap meets the design requirements and the g...

08

2020-11

How to deal with the failure of vacuum brazing furnace

The vacuum instrument of vacuum brazing furnace is within the scope of validity. After leak detection by leak detector, the protection valve at the vacuum gauge has air leakage problem, so the valve is replaced.   1. Through the inspect...

05

2020-11

What to do if the valve of brazing furnace leaks

The vacuum instrument of vacuum brazing furnace is within the scope of validity. After leak detection by leak detector, the protection valve at the vacuum gauge has air leakage problem, so the valve is replaced. 1. Through the inspection, the g...

05

2020-11

Maintenance of high frequency welded tube machine group

1. In the process of use, we must strictly operate according to the operation procedures in the operation manual, and we can't let the machine run and use overload. In addition, before complaining about production, that is, before the operation of...