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An apparatus for stretch wrapping a load is provided, according to one aspect of the present invention of horizontal stretch wrapping machine. The apparatus contains a rotatable ring, a packaging materials dispenser for dispensing a film internet, the packaging fabric dispenser simply being attached to the rotatable ring and including an upstream pre-stretch roller and a downstream pre-stretch curler in just a pre-stretch assemblage, a generate device configured to turn the rotatable engagement ring, an input/productivity proportion handle set up to preserve a predetermined percentage of ring rotation pace to pre-stretch velocity during at the very least a principal portion of a wrapping routine, plus a final curler situated a predetermined extended distance from your downstream pre-stretch roller, the predetermined extended distance being in a way that no less than a part of your duration of film increasing between the downstream pre-extended curler along with the final curler acts to reduce variations in forces acting on the pre-stretched packaging substance mainly because it travels from the dispenser towards the stress.
An apparatus for stretch wrapping a load comprises a rotatable ring, a packaging material dispenser for dispensing a film web, the packaging material dispenser being mounted on the rotatable ring and including a pre-stretch assembly, a drive mechanism configured to rotate the rotatable ring, an input/output ratio control configured to maintain a predetermined ratio of ring rotation speed to pre-stretch speed during at least a primary portion of a wrapping cycle, and a virtual film accumulator configured to accommodate variations in film demand as the film is dispensed at the predetermined substantially constant length for each revolution, according to another aspect of the present invention of horizontal stretch wrapping machine.
Tags: pallet wrapping machine, stretch wrapper, stretch wrapping machine