Knife rollers can be rigid, where the counter knives are fixed by lateral tightening or by fixing screws, or pneumatic, where the counter knives are fixed using compressed air.
The use of pneumatic counter knife rollers allows a quick change in the width of the paper cut. Like this, in rewinders where constant changes are necessary, its use is almost mandatory, mainly for machines with higher speeds.
We design counter knife rolls for every situation, according to sheet size, machine speed, kind of paper, grammage, etc.
We manufacture the rolls using the best manufacturing techniques, we assemble and test the rollers.