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