Dip brazing method with a preset temperature gradient and special brazing furnace
A technology of immersion brazing and preset temperature, which is applied in the field of brazing furnaces, can solve problems such as unstable product quality, increased energy consumption, environmental pollution, and poor density of brazing seams, so as to ensure quality and stability, eliminate Pore defects, the effect of meeting brazing requirements
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[0017] The dip brazing method of the preset temperature gradient of the present invention comprises the following steps:
[0018] In the first step, according to the volume of the workpiece to be brazed, choose to place at least one layer of annular partitions horizontally in the inner cavity of the brazing furnace, so that the inner cavity of the brazing furnace forms at least two relatively independent spaces. If the size is large, the ring-shaped partition can be placed in multiple layers, and the middle aperture of the ring-shaped partition should be able to put the brazing workpiece;
[0019] In the second step, according to the process requirements, use heating bodies with different powers (the heating body can be an induction heating body or an electrode heating body) to heat the upper and lower parts of the brazing furnace separately, so that the molten solder or molten salt in the furnace The spatial distribution divided by the annular partition forms a temperature gr...
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