Method and apparatus for adjusting and changing the height of the plane of passage of the material to be rolled through rolls of rolling stands of a shape rolling mill

摘要

A method for adjusting and changing the heights of the plane of passage of a material being rolled through rolls of a rolling stand of a shape rolling mill including a flange upsetting stand arranged between two universal stand, the height adjustment for changing the plane of passage of the material being rolled being caused by raising or lowering the rolling stand or parts of the rolling stands carrying these rolls, and the height of the passage plane of the material being rolled through the rolls of this flange upsetting stand being controlled, changed and fixed in the course of the rolling operation for correcting the web central position of a shaped steel profile relative to the adjusted plane of passage of the remaining rolling stands.