Patent ID: 6116072
Filing Date: 2000-09-12
Classification: B21B

Abstract:
A method of rolling sheet piling sections and angle sections from a continuously cast preliminary section using successively arranged roll stand arrangements which operate in a reversing operation, the roll stand arrangements including a compact rolling group composed of a first universal stand at an entry side and a second universal stand at an exit side and an intermediate edging stand arranged between the universal stands, and a roughing rolling group arranged in front of the compact rolling group and composed of vertical roll stands and horizontal rolls stands and universal stands, the method comprising, with the intermediate edging stand being equipped with several selectable grooves each defining a complete rolling section and arranged next to each other and configured to be moved into and out of a rolling line, preshaping the preliminary section in the roll stands of the roughing rolling group in a number of shape changing passes and shape reduction passes, subsequently further shaping the section in the compact rolling group in several shape changing passes and shape reduction passes in the universal stand on the entry side with the use of the selectable grooves, and subsequently shaping the section in the universal stand on the exit side wherein the reversing operation comprises rolling the section first in a rolling direction and subsequently in a direction opposite the rolling direction.