A rotary knife is used to cut the material at the registration mark. The registration mark is detected using one of the fast position latch inputs and a flying shear is then initiated (using the Mint FLY command) to synchronize the knife with the material.
Alternatively, the knife can be geared to the material using the Mint FOLLOW command and the knife synchronised to the material using the position latch value to determine the error. This error is corrected using the Mint OFFSET keyword.
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Labels are affixed to a moving bottle. A sensor (fed into the high speed position latch of the controller) on the conveyor detects an oncoming bottle, at which point the label is indexed. A second sensor on the label accurately detects the label position allowing it to be accurately placed onto the bottle.
A servo axis on the conveyor is used to control the machine speed. This application can be solved using position lock, with a clutch (Mint FOLLOW keyword) to allow controlled acceleration and deceleration of the label while at the same time maintaining position with the conveyor. A position offset (Mint OFFSET keyword) corrects for any error between the bottle and the label.
