C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 2/02 (2006.01) B08B 7/00 (2006.01) B21B 45/06 (2006.01) C23C 2/40 (2006.01) C23G 5/00 (2006.01) B21B 1/28 (2006.01)
Patent
CA 2505152
The invention relates to a method and device for descaling and/or cleaning a metal casting (1), particularly a hot-rolled strip made of normal steel or of stainless steel. According to the inventive method, the metal casting (1) is guided in a direction of conveyance (R) through a device (2), inside of which it is subjected to a plasma descaling and/or a plasma cleaning. In order to improve the result of the descaling or of the cleaning of the metal casting, the invention provides that before the device (2) for plasma descaling and/or plasma cleaning, in the direction of conveyance (R), the metal casting (1) is subjected to a process that imparts a high degree of flatness to the metal casting (1).
L'invention concerne un procédé et un dispositif de décalaminage et/ou de lavage d'une barre métallique (1), notamment d'une bande laminée à chaud réalisée en acier ou acier inoxydable. Selon ledit procédé, la barre métallique (1) est guidée au travers d'un dispositif (2) dans un sens de transport (R), dans lequel ladite barre est soumise à un décalaminage au plasma et/ou à un lavage au plasma. L'invention vise à améliorer le résultat du décalaminage ou du lavage de la barre métallique. A cet effet, la barre métallique (1) est soumise à un procédé lui conférant un degré de planéité élevé, en aval du dispositif (2) de décalaminage au plasma et/ou de lavage au plasma, dans le sens de transport (R).
Block Bodo
Brisberger Rolf
Frommann Klaus
Hartung Hans Georg
Fetherstonhaugh & Co.
Sms Demag Aktiengesellschaft
Sms Siemag Aktiengesellschaft
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