Method and apparatus in changing the setting of a slitter

When the setting of a web slitter winder blades ( 41, 42 ) is changed during slitting in order to slit component webs (W O ) of different widths, the width of the edge trimming formed changes and an untrimmed neck remains between the edge trimmings of different widths. A cutting apparatus ( 50 ) mak...

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Hauptverfasser: Fohr, Heikki, Jarvensivu, Markku
Format: Patent
Sprache:eng
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Zusammenfassung:When the setting of a web slitter winder blades ( 41, 42 ) is changed during slitting in order to slit component webs (W O ) of different widths, the width of the edge trimming formed changes and an untrimmed neck remains between the edge trimmings of different widths. A cutting apparatus ( 50 ) makes a cut between the slitting line of an edge trimming according to an old blade setting and the slitting line of an edge trimming according to a new blade setting controlled by a control system ( 59 ).