ABSTRACT
The principle of precise regulation of the strip thickness in the continuous cold rolling mill is based on the dependence of the rolling force on the rear tension of the strip and explained by the mismatch of the speeds of the adjacent stands. Practical experience shows that in many cases when using the same rolling mill for the identical range the accepted deformation–rate rolling conditions differ. Therefore, in any case, the selection of the rolling conditions for each specific case is in fact a solution of the optimisation problem. The number of iteration is almost completely independent of the number of the stands in the rolling mill. The available continuous cold rolling mills are fitted with the automatic systems of regulating thickness and tension, the profile and shape of the strip. The working rolls are installed in the rolling mill at the temperature usually equal to the room temperature.
