关於铸铝片的问题编者同志: 我们工厂经常制造一些小型铝(钢精)产品,如水壶、锅、盆、等类物件。因为铝板入口困难,我们正试行自轧铝板,所用材料有香港入口的铝锭和一些废铝;但是在冲压过程中意外的损失很多,破裂的废活最高达到百分之七、八,最低在百分之 Questions about Cast Aluminum Sheets Comrades Comrades: Our factory often manufactures small aluminum (steel) products such as kettles, pots, pots, and the like. Because of the difficulty in importing aluminum plates, we are trying to roll aluminum plates. The materials used are aluminum ingots and some aluminum scraps imported from Hong Kong; however, many accidental losses occurred in the stamping process, and the breakdown and scrapping activities were up to 7% and 8%. percent