Method and equipment in a paper/board machine for regulation...

Details Method and equipment in a paper/board machine for regulation... Method and equipment in a paper/board machine for regulation...

D - Textiles, Paper

21

F

D21F 7/00 (2006.01) D21F 7/02 (2006.01) D21G 9/00 (2006.01)

Patent

CA 2293756

The invention concerns a method and an equipment in a paperboard machine for regulation of the difference of draw. In the solution in accordance with the invention, the difference of draw in the web (W) is regulated on the basis of the measured tension of the web (W). Preferably, the regulation of the difference of draw takes place by regulating the drives at the inlet and/or outlet side of a web run (F1, F2) not supported by a wire.

L'invention concerne un procédé et un matériel destinés à une machine à papier/carton et permettant la régulation de la différence de tirage. Dans la solution selon l'invention, la différence de tirage dans la bande (W) est régulée sur la base de la tension mesurée de la bande (W). De préférence, la régulation de la différence de tirage s'effectue par régulation des éléments d'entraînement du côté entrée et/ou sortie d'un passage de bande (F1, F2) non porté par une toile.

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