LabelOn™ Oval Bottle Dual Scrolls
http://www.label-on.com/
This video shows the Dual Scrolls Module of The LabelOn™ machine preparing Oval bottles for labeling.
An Oval sided bottle does not have straight sides that would enable guide rails to point the bottle in a consistent direction as it travels down the labeler conveyor.
If you place an oval bottle between guide rails you will see you can pivot the bottle on its base which can result in the bottle pointing to one side of the conveyor more than the other as it travels through the machine. This pivoting of an Oval Bottle in guide rails introduces a label position variation that can be as large as +/- 10mm.
By holding an Oval bottle between 2 symmetric bottle contoured scrolls (1 on each side) it is possible to align the bottles at high speed for a consistent orientation as they later pass through the label applicator.
Maintaining the corrected bottle orientation during label application and wipe down is the Job of the Overhead Conveyor module which takes control of the product as it leaves the The LabelOn™ Modular Dual Scrolls. The Dual Scrolls module typically reduces the variation of labelling Oval bottles to below +/- 1.2 mm; in practice achieving much better results depending on the specifics of the application.
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