Research on cold rolling process of aluminum alloy sheet and strip for mirror surface
Based on the existing tooling conditions in 2012, our company used a 1400mm cold rolling mill to conduct process research on the aluminum alloy sheet and strip for 1070 aluminum alloy mirror. Through process research, the difficult problems such as poor surface brightness, rough texture, and many surface quality defects have been gradually solved, so that our company can stably produce mirror aluminum products with high surface reflectivity, and the longitudinal gloss can be stably above 780GS, and the highest 820GS, to meet the needs of the domestic market, some products can be replaced
Imported mirror aluminum has broken the long-term dependence on imports of domestic high-grade mirror aluminum products, which is of great ficance.
At present, 1070 aluminum alloy is the main aluminum alloy sheet and strip for mirror surface rolling, supplemented by aluminum alloys such as 3 series and 8 series. This technical scheme uses 1070 aluminum alloy as the test material. A 1450mm cold roughing mill is used to produce the billet pass and intermediate pass, and a 1400mm cold finishing mill is used to produce the product pass. Under the premise that the existing equipment for producing ordinary aluminum strips remains unchanged, through the control and adjustment of the 1450mm cold roughing mill and the 1400mm cold finishing mill work roll grinding and the 1400mm cold finishing mill rolling process, the production of high brightness and high quality can be achieved. Mirror aluminum purpose.
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