Rolling Mill for Rolling a Metallic Strip

Abstract

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.