Global Patent Index - EP 0992303 A1

EP 0992303 A1 2000-04-12 - Method for withdrawing a cast strand and arc-type continuous casting machine therefor

Title (en)

Method for withdrawing a cast strand and arc-type continuous casting machine therefor

Title (de)

Strangabzugsverfahren und hiermit korrespondierende Bogenstranggiessanlage

Title (fr)

Procédé pour l'extraction d'une barre coulée en continue et installation de coulée continue courbe pour la mise en oeuvre du procédé

Publication

EP 0992303 A1 (DE)

Application

EP 99116308 A

Priority

DE 19838774 A

Abstract (en)

[origin: DE19838774A1] The guide roll (6) is located below the circular arc section. Contact making and breaking between the strip and the guide roll are detected. When a contact is made, the initial strip velocity (ve) is increased. When a contact is broken, this velocity is decreased. An Independent claim is also included for a continuous casting device including a contact detector (9) functionally connected to a control unit (10) governing the operation of the strip exit drive (8).

Abstract (de)

Die vorliegende Erfindung betrifft ein Strangabzugsverfahren für ein in einer Bogenstranggießanlage gegossenes Metallband (1), insbesondere ein Stahlband (1), wobei das Metallband (1) zunächst von einem mit einer Eingangsgeschwindigkeit (ve) angetriebenen Bogeneingangssegment (3) senkrecht aus einer Gießkokille (2) abgezogen wird, wobei dem Metallband (1) im Bogeneingangssegment (3) eine Bogenform aufgeprägt wird, so daß das Metallband (1) in einen Kreisbogen einläuft, wobei das Metallband (1) nach Erreichen einer waagerechten Bandlaufrichtung (x) von einem mit einer Ausgangsgeschwindigkeit (va) angetriebenen Bogenausgangssegment (7) gerade gerichtet und aus dem Bogenausgangssegment (7) ausgefördert wird, wobei das Metallband (1) zwischen dem Bogeneingangssegment (3) und dem Bogenausgangssegment (7) zunächst über eine am Kreisbogen angeordnete Reaktionsrolle (5) und sodann über eine Führungsrolle (6) geführt wird. Erfindungsgemäß ist vorgesehen, daß die Führungsrolle (6) unterhalb des Kreisbogens angeordnet ist, daß ein Sichanlegen des Metallbandes (1) an die Führungsrolle (6) bzw. ein Abheben des Metallbandes (1) von der Führungsrolle (6) erfaßt wird und daß die Ausgangsgeschwindigkeit (va) beim Sichanlegen des Metallbandes (1) an die Führungsrolle (6) erhöht und beim Abheben des Metallbandes (1) von der Führungsrolle (6) erniedrigt wird. Die vorliegende Erfindung betrifft ferner eine korrespondierende Bogenstranggießanlage. <IMAGE>

IPC 1-7 (main, further and additional classification)

B22D 11/20; B22D 11/128

IPC 8 full level (invention and additional information)

B22D 11/128 (2006.01); B22D 11/20 (2006.01)

CPC (invention and additional information)

B22D 11/1282 (2013.01); B22D 11/20 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19838774 A1 20000302; AT 243588 T 20030715; EP 0992303 A1 20000412; EP 0992303 B1 20030625; ES 2202974 T3 20040401; US 6427758 B1 20020806

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