Double facer

Heating plate is surface grinded and chrome-plated.
Dense weight rollers be used in heating section, 3-stage adjustable pressure for weight rollers are controlled by pneumatic system according to thickness of paperboard.(optional)
Tension contorl for upper cotton belt by pneumatic cylinder .Automatic or manual correcting device are optional.
Drive section adopt gear box, drived by electromagnetic speed control motor or frequency conversion motor.
Driver rollers be covered endure abrasion rubber, and cutting "V"form teeth, with drum and put out paperboard stable.