Process for producing medium gauge aluminum foil for 8150 blank
A technology of aluminum foil and blank, applied in the field of 8150 blank production of single-zero aluminum foil, can solve the problems of low tensile strength, low elongation, low yield rate, etc., and achieve the effect of not easy to break, high yield rate, and excellent number of pinholes
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Embodiment 1
[0021] A process for producing single-zero aluminum foil from 8150 blanks, comprising the following steps:
[0022] (1) Intermediate rolling: the 8150 billet with a thickness of 0.25mm is passed through 0.25mm-0.16mm-0.11mm-0.075mm-0.05mm through the process of low-roughness rolls, low-pass reduction, and high additive content in the intermediate rolling mill. 4 passes make a single-zero aluminum foil blank with a thickness of 0.05㎜; among them, the roll parameters of the four passes of 0.25㎜—0.16㎜—0.11㎜—0.075㎜—0.05㎜ have a convexity of 0.06㎜, a roughness of 0.12~0.14μm, Additive content is 7-9%; other parameters are as follows:
[0023] (a) The rolling speed of 0.25㎜-0.16㎜ pass is controlled at 300m / min~380m / min, the total rolling force is 135~145 tons, the uncoiling tension is 1000~1200㎏, the shape control curve: 15-0, spray The oil flow is controlled at 50% to 60% of the total flow;
[0024] (b) The rolling speed of 0.16㎜—0.11㎜ pass is controlled at 350m / min~380m / min, the...
Embodiment 2
[0033] A process for producing single-zero aluminum foil from 8150 blanks, comprising the following steps:
[0034] (1) Intermediate rolling: the 8150 billet with a thickness of 0.25mm is passed through 0.25mm-0.16mm-0.11mm-0.075mm-0.05mm through the process of low-roughness rolls, low-pass reduction, and high additive content in the intermediate rolling mill. 4 passes to make a single-zero aluminum foil blank with a thickness of 0.05㎜; among them, 0.25㎜-0.16㎜-0.11㎜-0.075㎜-0.05㎜ roll parameters in the four passes have a convexity of 0.06㎜, a roughness of 0.13μm, and additive content 8%; the remaining parameters are as follows:
[0035] (a) The rolling speed of 0.25㎜—0.16㎜ pass is controlled at 350m / min, the total rolling force is 140 tons, the uncoiling tension is 1100㎏, the plate shape control curve is 15-0, and the spray oil flow rate is controlled at 55% of the total flow rate. %;
[0036] (b) The rolling speed of 0.16㎜—0.11㎜ pass is controlled at 360m / min, the total roll...
Embodiment 3
[0045] A process for producing single-zero aluminum foil from 8150 blanks, comprising the following steps:
[0046](1) Intermediate rolling: the 8150 billet with a thickness of 0.25mm is passed through 0.25mm-0.16mm-0.11mm-0.075mm-0.05mm through the process of low-roughness rolls, low-pass reduction, and high additive content in the intermediate rolling mill. 4 passes to make a single-zero aluminum foil blank with a thickness of 0.05㎜; among them, the roll parameters of the four passes of 0.25㎜—0.16㎜—0.11㎜—0.075㎜—0.05㎜ have a convexity of 0.06㎜, a roughness of 0.14μm, and additive content 9%; the remaining parameters are as follows:
[0047] (a) The rolling speed of 0.25㎜—0.16㎜ pass is controlled at 380m / min, the total rolling force is 145 tons, the uncoiling tension is 1200kg, the plate shape control curve is 15-0, and the spray oil flow rate is controlled at 60% of the total flow rate. %;
[0048] (b) The rolling speed of 0.16㎜—0.11㎜ pass is controlled at 380m / min, the tot...
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