EP 0908248 A3 20021016 - Device and method for influencing the frictional relationships between an upper and a lower roll of a rolling stand
Title (en)
Device and method for influencing the frictional relationships between an upper and a lower roll of a rolling stand
Title (de)
Vorrichtung und Verfahren zur Beeinflussung der Reibungsverhältnisse zwischen einer oberen und einer unteren Walze eines Walzgerüstes
Title (fr)
Dispositif et procédé pour influencer les conditions de friction entre un cylindre supérieur et un cylindre inférieur d'une cage de laminoir
Publication
Application
Priority
DE 19744503 A 19971009
Abstract (en)
[origin: EP0908248A2] Friction between top and bottom rolls is controlled by wetting the surfaces (23, 24) of the rolled product (25) with the spray liquid whose amount and delivery are determined and controlled by a control system (3). The apparatus for controlling the friction between the top and bottom rolls (6, 7) of a roll stand (28) includes a spray unit (2) on the entry side (27) of the roll stand, and a control system (3) for determining the amount of the spray liquid to be delivered. A quantity determined beforehand or obtained by calculation is used in combination with the actual rolling torque of the bottom and/or the top roll as the control variable. The top (23) and bottom (24) surfaces of the rolled product (25) are wetted with the spray liquid whose amount and delivery are determined and controlled by the control system (3).
IPC 1-7
IPC 8 full level
B21B 27/10 (2006.01); B21B 37/28 (2006.01); B21B 45/02 (2006.01); B21B 35/04 (2006.01); B21B 37/00 (2006.01); B21B 37/44 (2006.01); B21B 37/46 (2006.01)
CPC (source: EP KR US)
B21B 1/22 (2013.01 - KR); B21B 37/46 (2013.01 - KR); B21B 38/00 (2013.01 - KR); B21B 45/0245 (2013.01 - KR); B21B 45/0251 (2013.01 - EP US); B21B 27/10 (2013.01 - EP US); B21B 35/04 (2013.01 - EP US); B21B 37/007 (2013.01 - EP US); B21B 37/28 (2013.01 - EP US); B21B 37/44 (2013.01 - EP US); B21B 37/46 (2013.01 - EP US); B21B 45/0242 (2013.01 - EP US); B21B 2001/225 (2013.01 - KR); B21B 2261/20 (2013.01 - KR); B21B 2267/06 (2013.01 - KR); B21B 2267/065 (2013.01 - EP US); B21B 2273/02 (2013.01 - EP US); B21B 2275/06 (2013.01 - KR); B21B 2275/10 (2013.01 - EP US); B21B 2275/12 (2013.01 - EP US)
Citation (search report)
- [XA] DE 4408289 A1 19950914 - SIEMENS AG [DE]
- [XA] US 3134279 A 19640526 - BERNARD SIMS RAYMOND, et al
- [A] EP 0342408 A1 19891123 - MITSUBISHI HEAVY IND LTD [JP]
- [XA] PATENT ABSTRACTS OF JAPAN vol. 011, no. 128 (M - 583) 22 April 1987 (1987-04-22)
- [XA] PATENT ABSTRACTS OF JAPAN vol. 013, no. 237 (M - 833) 5 June 1989 (1989-06-05)
- [A] PATENT ABSTRACTS OF JAPAN vol. 012, no. 145 (M - 693) 6 May 1988 (1988-05-06)
- [A] PATENT ABSTRACTS OF JAPAN vol. 007, no. 055 (M - 198) 5 March 1983 (1983-03-05)
- [A] PATENT ABSTRACTS OF JAPAN vol. 006, no. 061 (M - 123) 20 April 1982 (1982-04-20)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0908248 A2 19990414; EP 0908248 A3 20021016; AR 017303 A1 20010905; BR 9803841 A 19991207; CA 2249853 A1 19990409; CN 1127384 C 20031112; CN 1214280 A 19990421; DE 19744503 A1 19990415; JP H11188410 A 19990713; KR 19990036972 A 19990525; RU 2208488 C2 20030720; US 6089069 A 20000718
DOCDB simple family (application)
EP 98118615 A 19981001; AR P980105005 A 19981007; BR 9803841 A 19981008; CA 2249853 A 19981008; CN 98120905 A 19981009; DE 19744503 A 19971009; JP 28699698 A 19981008; KR 19980042191 A 19981009; RU 98118577 A 19981008; US 16736698 A 19981007