Device and method for preparing copper-clad aluminum-clad core casting ingot
A copper-clad aluminum core-clad technology is applied in the field of equipment for preparing copper-clad aluminum core-clad casting blanks, which can solve problems such as high equipment manufacturing costs, high requirements for the carrying capacity of processing equipment, and difficulty in controlling the bimetal bonding interface, and achieve production High efficiency, low requirements for processing equipment, and low manufacturing cost
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Embodiment 1
[0033] Example 1: Preparation of 10 copper-clad aluminum core-clad casting blanks with a length of 1000mm
[0034] 〔1〕The inner walls of 10 copper pipes 1 with an outer diameter of 50 mm, a wall thickness of 1 mm, and a length of 1100 mm must be strictly cleaned with alkali and water before casting, and the inner walls shall be roughened with abrasive cloth, and then cleaned and dried. Then the 10 clean copper pipes 1 are respectively aligned with the 10 gates 33 of the sand box 3 with side holes, inserted vertically, and fixed by a pair of Ω-shaped chucks 2 with holes fixed by bolts on both sides of the surface;
[0035] (2) The charcoal powder 5 after drying is dropped into from the mouth of each copper pipe 1 above, so that its thickness is 20mm;
[0036] [3] Heat the pure aluminum block to 750°C to become pure aluminum liquid 6. Inject the L-shaped nozzle 4 into the main sand launder 31 first, then flow into each sub-sand launder 32 in turn, and enter from below through the ...
Embodiment 2
[0039] Example 2: Preparation of 28 copper-clad aluminum core-clad casting blanks with a length of 1400mm
[0040] 〔1〕The inner walls of 28 copper pipes 1 with an outer diameter of 250 mm, a wall thickness of 2 mm, and a length of 1500 mm must be strictly cleaned with alkali and water before casting, and the inner walls should be roughened with abrasive cloth, and then cleaned and dried. Then the 28 clean copper tubes 1 are respectively aligned with 28 gates 33 of the sand box 3 with side holes, inserted vertically and fixed by a strip of Ω-shaped chucks 2 with holes fixed by bolts on both sides of the surface;
[0041] (2) The charcoal powder 5 after drying is dropped into from the mouth of each copper pipe 1 above, so that its thickness is 30mm;
[0042] [3] Heat the pure aluminum block to 800°C to become pure aluminum liquid 6. Inject the L-shaped nozzle 4 into the main sand launder 31 first, then flow into each sub-sand launder 32 in turn, and enter from below through the ...
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Abstract
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