Patent ID: 11858021
Assignee: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A control method for a roll stand comprising:
rolling a metal strip in the roll stand;
providing a control device for the roll stand for receiving measurement data (M) for a lateral position (y) of the metal strip that exists on an entry side and/or on an exit side of the roll stand;
operating a stand controller of the control device to take account of parameters (P) of the stand controller in taking a deviation in the lateral position (y) from a desired position (y*) as a basis for ascertaining a pivot value (δs) for the roll stand; and
actuating the roll stand accordingly,
ascertaining by the control device at least one quantity (V1, V2, Q1, Q2) that reveals, for both strip edges of the metal strip, whether the metal strip is forming a wave in a region of one of the strip edges; and
as soon as the metal strip forms the wave in the region of one of the strip edges, the control device varying at least one of the parameters (P) of the stand controller, such that the stand controller ascertains the pivot value (as) from the varying of the at least one parameter (P) onward in the light of the varied parameter (P).