Patent ID: 9126249
Filing Date: 2015-09-08
Classification: B21B

Abstract:
1. A zeroing system of a rolling stand comprising: a first working roll defining a first longitudinal axis, a second working roll defining a second longitudinal axis, wherein each of said first working roll and second working roll is provided at a first end with a respective annular protrusion having a first diameter D and wherein said first working roll and second working roll are configured so that in a rolling position, the annular protrusion of the first working roll is placed at the annular recess of the second working roll, while the annular protrusion of the second working roll is placed at the annular recess of the first working roll, and in a zeroing position of said working rolls, the annular protrusion of the first working roll is in contact with the rolling surface of the second working roll, while the annular protrusion of the second working roll is in contact with the rolling surface of the first working roll, whereby a material to be rolled may continue to cross a gap between said first and second working rolls without being rolled.