+7 (812) 645-08-06
Cast film extrusion line - max. 90 mm | SE series
Machine with 65mm / 75mm / 90mm main extruder are offered in combination with one or two 40mm / 50mm co-extruders. The extruders are powered by AC motors with frequency drives. The motor and the extruder gearbox are coupled by V-belt giving in smoother operation. The thrust bearing is located inside the gearbox for best lubrication and heat dissipation. The Control Panel for the entire line is free standing.Screw:
Several different screw designs are offered. The L/D ratio is 1:30 for all screws and 1:32 for vacuum vented barrels for removing volatile constituents of material. Multipurpose screw design for HIPS, ABS and PP is also offered.
Barrel Heaters:
The barrel is heated using ceramic electric band heaters controlled by closed loop temperature controllers.
T-Die:
The die is coat hanger type of die with horizontal split line. It has adjustable and interchangeable lips for different ranges of sheet thickness. Dies have a flexible lip or choker bar. The sheet width can be adjusted on either side by deckling if needed.
Polishing Roller Stack:
The surface of plastic melt leaving the die is smoothened and cooled by rollers on passing through a 3 roll vertical polishing stack. The top and bottom rollers of the polishing stack are pneumatically movable while the center roller is fixed The surface of roller is hard chrome plated and highly polished to minor finish. The rollers are temperature regulated. The rollers are double-shelled type with spiral circulating channels. All the three rollers have separate temperature control circuits.