Manufacturing method of aluminum plate-fin heat exchanger
The technology of a plate-fin heat exchanger and its production method is applied in the field of aluminum plate-fin heat exchanger production, which can solve the problems of insufficient compactness of assembled heat exchange cores, rough parts preparation and processing, single and weak argon arc welding, etc. problem, to achieve the effect of firm argon arc welding, fine processing and light weight
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Embodiment 1
[0019] A method for manufacturing an aluminum plate-fin heat exchanger, the steps are as follows:
[0020] (1) Selection of raw materials: selection of all aluminum alloy materials;
[0021] (2) Parts preparation: Use a mold on the cold press to cold press the aluminum alloy into seals, partitions, fins, heads, cover plates, side plates, groove aluminum, and blocking plates. The cold pressing pressure is controlled at 20MPa. Put the cold-pressed seals, partitions, fins, heads, cover plates, side plates, groove aluminum and blocking plates into the sintering furnace and heat them to 300°C, then cool them into shape, and process them into the required size by machine. The fins are stamped with forming dies on the automatic forming machine tool, and the fins are made into zigzag fins with a pitch of 2 mm. Then, the partition, cover plate and side plate are cut by the shearing machine, and the aluminum sawing machine Cut grooved aluminum, aluminum tubes and heads, and process the...
Embodiment 2
[0027] A method for manufacturing an aluminum plate-fin heat exchanger, the steps are as follows:
[0028] (1) Selection of raw materials: selection of all aluminum alloy materials;
[0029] (2) Parts preparation: Use a mold on the cold press to cold press the aluminum alloy into seals, partitions, fins, heads, cover plates, side plates, groove aluminum, and blocking plates. The cold pressing pressure is controlled at 35MPa. Put the cold-pressed seals, partitions, fins, heads, cover plates, side plates, groove aluminum and blocking plates into the sintering furnace and heat them to 500°C, then cool and form them, and process them into the required size by machine. The fins are stamped with forming dies on the automatic forming machine tool, and the fins are made into porous fins with a pitch of 4mm. Then, the partition, cover plate and side plate are cut by the shearing machine, and the aluminum sawing machine is used to cut the fins. Cut grooved aluminum, aluminum tubes and ...
Embodiment 3
[0035] A method for manufacturing an aluminum plate-fin heat exchanger, the steps are as follows:
[0036] (1) Selection of raw materials: selection of all aluminum alloy materials;
[0037] (2) Parts preparation: Use molds on the cold press to cold press the aluminum alloys into seals, partitions, fins, heads, cover plates, side plates, groove aluminum, and blocking plates. The cold pressing pressure is controlled at 30MPa. Put the cold-pressed seals, partitions, fins, heads, cover plates, side plates, groove aluminum and blocking plates into the sintering furnace and heat them to 400°C, then cool them and form them, and process them into the required size by machine. The fins are stamped with a forming die on an automatic forming machine tool, and the fins are made into corrugated fins with a pitch of 3 mm. Then, the partition, cover plate and side plate are cut by a shearing machine, and the aluminum sawing machine is used to cut the fins. Cut grooved aluminum, aluminum tu...
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