Rolling Mill for Rolling a Metallic Strip
In a rolling mill for rolling metal strip ( 1 ), especially steel strip, which has at least one rolling stand ( 2 ), an upstream coiler ( 3 ), and a downstream coiler ( 4 ), wherein an “S” roll unit ( 5, 6 ), which has two rolls ( 7, 8; 9, 10 ) that guide the strip ( 1 ) in the form of an “S”, is arranged between the upstream coiler ( 3 ) and the rolling stand ( 2 ) and/or between the rolling stand ( 2 ) and the downstream coiler ( 4 ), the invention provides that a first roll ( 7, 9 ) of the “S” roll unit ( 5, 6 ) is arranged in a fixed manner, and a second roll ( 8, 10 ) of the “S” roll unit ( 5, 6 ) is arranged in such a way that it can move relative to the first roll ( 7, 9 ).
1 . Rolling mill for rolling metal strip ( 1 ), especially steel strip, which has at least one rolling stand ( 2 ), an upstream coiler ( 3 ), and a downstream coiler ( 4 ), wherein an “S” roll unit ( 5 , 6 ), which has two rolls ( 7 , 8 ; 9 , 10 ) that guide the strip ( 1 ) in the form of an “S”, is arranged between the upstream coiler ( 3 ) and the rolling stand ( 2 ) and/or between the rolling stand ( 2 ) and the downstream coiler ( 4 ), characterized by the fact that a first roll ( 7 , 9 ) of the “S” roll unit ( 5 , 6 ) is arranged in a fixed manner, and a second roll ( 8 , 10 ) of the “S” roll unit ( 5 , 6 ) is arranged in such a way that it can move relative to the first roll ( 7 , 9 ).
2 . Rolling mill in accordance with claim 1 , characterized by the fact that the second roll ( 8 , 10 ), which can move relative to the first roll ( 7 , 9 ), is rotatably mounted on a swivel arm ( 11 ), which is supported at one end in a stationary axis ( 12 ).
3 . Rolling mill in accordance with claim 2 , characterized by the fact that the stationary axis ( 12 ) coincides with the axis of rotation of the first roll ( 7 , 9 ).
4 . Rolling mill in accordance with claim 2 or claim 3 , characterized by the fact that a linear actuator ( 14 ) articulates with the swivel arm ( 11 ) in a pivot ( 13 ) some distance from the stationary axis ( 12 ).
5 . Rolling mill in accordance with claim 4 , characterized by the fact that the linear actuator ( 14 ) is a hydraulic piston-cylinder system.
6 . Rolling mill in accordance with any of claims 1 to 5 , characterized by means for driving at least one of the rolls ( 7 , 8 , 9 , 10 ) of the “S” roll unit ( 5 , 6 ).
7 . Rolling mill in accordance with any of claims 1 to 6 , characterized by the fact that it is designed as a cold rolling mill.
8 . Rolling mill in accordance with any of claims 1 to 7 , characterized by the fact that the rolling stand ( 2 ) is a single stand.
9 . Rolling mill in accordance with any of claims 1 to 8 , characterized by the fact that the rolling stand ( 2 ) is equipped with means for flexible adjustment of the roll gap.
10 . Rolling mill in accordance with any of claims 1 to 9 , characterized by the fact that at least one of the coilers ( 3 , 4 ) is equipped with means for rotational speed control.