CPC B65B 41/16 (2013.01) [B65B 9/04 (2013.01); B65B 41/18 (2013.01); B65B 57/04 (2013.01); B65H 16/005 (2013.01); B65H 23/1806 (2013.01)] | 21 Claims |
1. A packaging machine which unwinds a bottom film web from a first supply roll and conveys the bottom film web intermittently or continuously along the packaging machine, wherein the packaging machine comprises:
a forming station that forms the bottom film web into packaging cavities, which are then filled with a product to be packaged,
a sealing station, wherein in the sealing station, a top film web is sealed to the bottom film web, the top film web is unwound from a second supply roll, and the bottom film web and the top film web are respectively tensioned by means of a dancer roll,
wherein the first supply roll and/or the second supply roll is driven by means of a motor, and parameters of the motor, that include rotation speed and/or torque, are adjusted based on parameters of film located on and not yet unrolled from the first supply roll and/or the second supply roll when the parameters of the motor are adjusted.
|