ELECTRONIC CONTROL OF METERED FILM DISPENSING IN A WRAPPING APPARATUS

The present invention relates to a method of wrapping a load, comprising:providing a film dispenser for dispensing film;operating a rotational drive to provide relative rotation between the film dispenser and the load during a wrapping cycle;operating a film dispensing drive of the film dispenser to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HARRIS, THOMAS, JANES, SR., ROBERT, D, JOHNSON, RICHARD, L, MITCHELL, MICHAEL, LANCASTER III, PATRICK, R
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates to a method of wrapping a load, comprising:providing a film dispenser for dispensing film;operating a rotational drive to provide relative rotation between the film dispenser and the load during a wrapping cycle;operating a film dispensing drive of the film dispenser to dispense the film during the wrapping cycle;sensing a demand for film for wrapping the load by monitoring a speed of an idle roller configured to rotatably engage the dispensed film downstream_of a prestretch portion of the film dispenser; andadjusting the film dispensing drive to control a speed of film dispensing based on the monitored speed of the idle roller.