Rolling is the process of reducing the thickness or changing the cross-sectional area of the workpiece by means of rolling mills. It is performed through hot working or cold working. The metal is drawn into the opening between the rolls by frictional forces between the metal and roll surface as shown in Figure 21.1. The metal is subjected to highly compressive force between the rolls for deformation.
Figure 21.1 A Schematic Diagram of Rolling Proces
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