Ultrathin air-conditioning aluminum foil and manufacturing method thereof
A manufacturing method and technology of aluminum foil, applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problem of increasing the production difficulty and production cost of air-conditioning foil manufacturers, reducing the anti-reverse ability of heat dissipation fins, and increasing the number of rolling passes. and other problems, to achieve significant technical and economic effects, good isotropy, and improve the effect of casting and rolling structure.
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Embodiment 1
[0033]Composition by weight as follows: Al: 99.40%, Fe: 0.28%, Si: 0.08%, Mn: 0.17%, Cu: 0.0005%, Mg: 0.0005%, Ti: 0.025%, V: 0.010%, others are unavoidable impurities. The preparation process is as follows: (1) put the raw materials in the said parts by weight into a smelting furnace, and carry out smelting and refining respectively at temperatures of 700-760°C and 735-750°C. (2) At a temperature of 690-700°C, add Al-5Ti-1B alloy wire at the inlet of the degassing box, and use a casting-rolling machine to continuously cast and roll molten aluminum into a thickness of 6.2mm and a width of 1300mm at a speed of 1100-1200mm / min Rolled cast-rolled plate. (3) Rolling with a large reduction in each pass, the plate thickness decreases and the process in the 5 passes of cold rolling is: 6.2-2.85-1.45-0.82-the width after trimming on both sides is 1260mm-0.42-0.23 to obtain a coiled cold rolling The aluminum foil is then foil-rolled for 2 passes, in which the thickness of the plate d...
Embodiment 2
[0035] Composition by weight ratio as follows: Al: 99.20%, Fe: 0.36%, Si: 0.13%, Mn: 0.23%, Cu: 0.005%, Mg: 0.005%, Ti: 0.04%, V: 0.015%, others are unavoidable impurities. Its preparation method is as follows: (1) put the raw materials in said parts by weight into a smelting furnace, and carry out smelting and refining at temperatures of 700-760° C. and 735-750° C. respectively. (2) At a temperature of 690-700°C, add Al-5Ti-1B alloy wire at the inlet of the degassing box, and use a casting-rolling machine to continuously cast and roll molten aluminum into a thickness of 6.2mm and a width of 1720mm at a speed of 1100-1200mm / min Rolled cast-rolled plate. (3) Rolling with a large reduction in each pass, the plate thickness decreases and the process in the 5 passes of cold rolling is: 6.2-2.85-1.45-0.82-the width after trimming on both sides is 1675mm-0.42-0.23 to obtain a coiled cold rolling The aluminum foil is then foil-rolled for 2 passes, in which the thickness of the plat...
Embodiment 3
[0037] Composition by weight as follows: Al: 99.35%, Fe: 0.32%, Si: 0.11%, Mn: 0.20%, Cu: 0.004%, Mg: 0.001%, Ti: 0.03%, V: 0.013%, others unavoidable impurities. Its preparation method is as follows: (1) put the raw materials in said parts by weight into a smelting furnace, and carry out smelting and refining respectively at a temperature of 700-760° C. and 735-750° C. to form aluminum liquid. (2) At a temperature of 690-700°C, add Al-5Ti-1B alloy wire at the inlet of the degassing box, and use a casting-rolling machine to continuously cast and roll molten aluminum into a thickness of 6.2mm and a width of 1575mm at a speed of 1100-1200mm / min Rolled cast-rolled plate. (3) Rolling with a large reduction in each pass, the plate thickness decreases and the process in the 5 passes of cold rolling is: 6.2-2.85-1.45-0.82-the width after trimming on both sides is 1535mm-0.42-0.23 to obtain a coiled cold rolling The aluminum foil is then foil-rolled for 2 passes, in which the thickn...
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