The group of longitudinal cut to automatic positioning can be included in the sheeter structure or it can have one independent structure to apply to the existing machine.
All the longitudinal knives can be moved in independent way and in contemporary way.
On the mechanisms of positioning can be installed longitudinal knives of all the types
The positioning is motorized and checked by an absolute encoder that make very precise the movement and the final position. The movement of the sleighs happens on guides with ball linear bearings and the motorization happens with screw to circulation of steel ball.
The operator set the position of the longitudinal knives by control panel on the sheeter.