5 layers SML Cast film extruder

Cast film extrusion lines are commonly used to extrude plastic films especially for flexible packaging industry. / In a cast film extruder PE, PP or PA granulates (or other polymers) are melted inro an extruder and pushed through a flat extrusion die (T die), extruding a sheet of molten polymer onto a cooled roller (chill roll).

Machine Code CA155
Manufacturer SML
Year 2015
Number of layers 5
Film structure ABCBD
Material STRETCH FILM
Film width (mm) 2000
Speed (m/min) 600
Output (Kg/h) 1200
Extruder 1 Layer ref: A
Screw diam 60
Description L/D 28,output 190 KG/H, water cooled AC motor, 3 components gravimetric dosing unit, hydraulic screen changer
Extruder 2 Layer ref: B
Screw diam 90
Description L/D 33,output 600 KG/H, water cooled AC motor, 3 components gravimetric dosing unit, hydraulic screen changer
Extruder 3 Layer ref: C
Screw diam 90
Description L/D 33,output 600 KG/H, water cooled AC motor, 3 components gravimetric dosing unit, hydraulic screen changer
Extruder 4 Layer ref: D
Screw diam 60
Description L/D 28,output 190 KG/H, water cooled AC motor, 3 components gravimetric dosing unit, hydraulic screen changer
Head description 5 ply feedblock,Automatic die, Bivac vacuum box 2 chamber vacuum box, electrostatic edge pinning with 2 charging electrodes each with 3 fingers max 30 KV , pneumatic edge cooling
Chill roll unit Chill roll unit model 1000/400; diam first chill roll 1000mm; diam second chill roll 400mm; contact lenght first chill roll 240 deg, Nip roller on second chill, antistatic bar, chill rollers drived by independent servodrives; reel width 2700mm
Thickness controll system Automatic, Die with flex lip automatic control through theral expansion bolts, distance between bolts 25,4mm, Thickness gauge Electronic
Web guide Oscillating frame OF2700
Rewinder description For machine reels and jumbo reels, Turret automatic winder type W4000/Stretch/3"/6up/650, automatic reels extraction and cores loading, ultra light driven CFP contact roller, TC technology: package to enable core with thin wall thickness(3"cores 3mm and 350 grams)
Additional information Stretch film thicknesses from 8 my up. Complete recycling plant Make starlinger for inline recycling of edges and offline recyling of startups. Output 150-450Kg/h, bimetall barrel and nitrurated screw; water ring system for cuuling and transport; drying centrifuge, reel feeder Winder for jumbo, machine reels

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