This machine is specially used for cardboard tension.
Install on the conveyor above the triple pre-heater.
This machine is formed of sheet metal housing.
Vacuum suction creates tension in the single-sided paper.
Tension control can be operated on both the top and bottom conveyor.
Two sets of electronic slight adjustment for width size, the top, and bottom cylinder operation.
When running a triple wall (7 layers), add one more suction device set.