EP 0811435 B1 20010905 - Presetting for a cold mill reversing stand
Title (en)
Presetting for a cold mill reversing stand
Title (de)
Voreinstellung für Kaltwalzreversiergerüst
Title (fr)
Préréglage pour laminoir réversible à froid
Publication
Application
Priority
DE 19622825 A 19960607
Abstract (en)
[origin: EP0811435A2] The method concerns presetting of the control element positions in a reversing cold-rolling stand or section for the first pass of a strip from a new coil. Proceeding from strip planarity considerations, the control element positions are set according to the corresponding data of the first pass of a reference coil which is chosen from 'n' previously rolled strip coils and whose reference data best agrees with the target data of the new coil. The new positions of individual control elements include alterations depending on differences between the reference and target data. The control element positions in a reversing rolling stand, or in a rolling section after a stoppage, are based on the corresponding data referring to the situation immediately before the stoppage. They include alterations depending on differences between the reference and target data. Alteration of the control element positions is carried out on the basis of rolling gap model or a process parameter system. This includes consideration of certain influences of the planarity and rolling force data. The strip thickness is predetermined by specification of a rolling force or roll setting adapted to the reference data (which covers a certain time interval) concerning the rolling stand or section. This data includes the rolling force, gap setting, entry thickness, exit thickness and/or strip tension.
IPC 1-7
IPC 8 full level
B21B 39/32 (2006.01); B21B 37/00 (2006.01); B21B 37/16 (2006.01); B21B 37/28 (2006.01); B21B 1/36 (2006.01)
CPC (source: EP US)
B21B 37/00 (2013.01 - EP US); B21B 37/16 (2013.01 - EP US); B21B 37/28 (2013.01 - EP US); B21B 1/36 (2013.01 - EP US); B21B 2265/12 (2013.01 - EP US); B21B 2265/22 (2013.01 - EP US); B21B 2271/02 (2013.01 - EP US)
Designated contracting state (EPC)
FR GB SE
DOCDB simple family (publication)
EP 0811435 A2 19971210; EP 0811435 A3 19980506; EP 0811435 B1 20010905; DE 19622825 A1 19971211; DE 19622825 B4 20050331; JP 3996976 B2 20071024; JP H1052706 A 19980224; US 5987948 A 19991123
DOCDB simple family (application)
EP 97108853 A 19970603; DE 19622825 A 19960607; JP 16659997 A 19970609; US 86891797 A 19970604