SM1 Double Facers * Surface of the Heater plate is grinded:Height 145 × width 490;with 9,13,17,21 pieces for choice (Temperature display device for choice).* Heating unit adopts concentrated press rollers;Wholly electric raising and lowering.According to the layers of the cardboard,hand subsection press and electric press are adopted for choice,which is good for the adherence and moulding of the cardboard* Cooling unit adopts concentrated press and carrier rollers to make sure of the moulding quality.* Hand correcting the error device and pneumatic tension device are adopted on the up cotton fabric bele (with simple and practical structure)* Stype Hand tension device and pneumatic tension device are adopted on the up cotton fabric bele;with simple and practical structure.* Driving unit adopts oiled hermetic gearing; Driving roller is packaged with type wearable rubber.which reduces the noise and improves the service life of the cotton fabric belt.* Max.Speed:120m/min.* Valid Breadth:1600-2000mm