Rolling (metalworking) - Wikipedia
In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of dough.Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its,How aluminum foil is made - material, manufacture, making,,Then, the resultant aluminum oxide is smelted to produce pure aluminum. After that, the aluminum is rolled to produce foil. Refining — Bayer process 1 The Bayer process used to refine bauxite comprises four steps: digestion, clarification, precipitation, and calcination.Aluminum foil: Its typical quality problems and their,,May 07, 2007· When the foil stock is rolled down by utilizing a custom made laboratory scale rolling mill, these blisters smear and produce lightly attached layers on aluminum foil stocks (see Fig. 6c and d). Consecutive rolling of the same foil stock leads to separations of these lightly attached layers from the surfaces of foil stock.