Patent ID: 6314776
Filing Date: 2001-11-13
Classification: B21B

Abstract:
In a rolling mill stand having a pair of rolls axially slidable relative to each other and being configured to reduce a moving strip of metal in a roll gap between the rolls, wherein a variable roll gap profile is adjustable by axially shifting the rolls, the improvement comprising:each roll having a ground roll profile wherein the diameter of each roll varies along the length of the roll according to the seventh order equationD(Z.sub.R)=C.sub.0 +AZ.sub.R +BZ.sub.R.sup.2 +CZ.sub.R.sup.3 +DZ.sub.R.sup.4 +EZ.sub.R.sup.5 +FZ.sub.R.sup.6 +GZ.sub.R.sup.7wherein Z.sub.R is the normalized distance across the length of the face of the roll measured from the center of the roll.