Rolling mill and method for controlling a rolling mill

Abstract

The invention relates to a rolling mill, in particular, a cold strip tandem rolling mill (1), for producing a metal strip (100), with a number of stands (220, 260; 230; 240;...; 250) arranged in a tanThe invention relates to a rolling mill, in particular, a cold strip tandem rolling mill (1), for producing a metal strip (100), with a number of stands (220, 260; 230; 240;...; 250) arranged in a tandem path (20), wherein, in a direction of production (P) of the metal strip (100), a first stand (220) is designed as driving stand (220, 260) and serves as inlet for a section (25) of the tandem pathdem path (20), wherein, in a direction of production (P) of the metal strip (100), a first stand (220) is designed as driving stand (220, 260) and serves as inlet for a section (25) of the tandem path (20), in which a primary thickness reduction of the metal strip (100) occurs, and by corresponding control of the driving stand (220, 260), an increase in the mechanical inlet tension of the metal st(20), in which a primary thickness reduction of the metal strip (100) occurs, and by corresponding control of the driving stand (220, 260), an increase in the mechanical inlet tension of the metal strip (100) can be achieved. The invention further relates to a method for controlling a rolling mill, in particular, a cold strip tandem rolling mill (1), for producing a metal strip (100), wherein, inrip (100) can be achieved. The invention further relates to a method for controlling a rolling mill, in particular, a cold strip tandem rolling mill (1), for producing a metal strip (100), wherein, in a production direction (P) of the metal strip (100), a first stand (220) is controlled as driving stand (220, 260), said driving stand (220, 260) achieving a significant increase in the mechanical ina production direction (P) of the metal strip (100), a first stand (220) is controlled as driving stand (220, 260), said driving stand (220, 260) achieving a significant increase in the mechanical inlet tension on the metal strip (100) and a significant thickness reduction of the metal strip (100).let tension on the metal strip (100) and a significant thickness reduction of the metal strip (100).

Description

technical field [0001] The invention relates to a rolling plant, in particular a tandem cold strip rolling plant, and a method for controlling such a rolling plant. The invention also relates to the use of the first stand of a rolling plant, in particular a tandem cold strip rolling plant. Background technique [0002] In rolling plants, especially in tandem cold strip rolling plants, the aim when distributing pass reductions is that, in addition to distributing pass reductions for technical reasons, it is also possible to correspond to individual The structural state of the rolling stand distributes the pass reduction in order to make optimum use of this distribution in terms of production. [0003] In discontinuous tandem mill trains, not only longitudinally separated hot strips are used as feed material, but also strips from the box furnace annealing process, which are wound with a slight strip tension due to process conditions Coil, so it may appear that the first stan...

AI Technical Summary

Problems solved by technology

These methods are likewise often limited in existing plants, which are limited by structural conditions (space requirements) or by process parameters such as oiled metal strips

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