3 layers COLINES Air bubble line Cast film extrusion line

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 CA182
Manufacturer COLINES
Model Air bubble line
Year 1992
Number of layers 3
Film structure 25/50/25 %
Material LDPE air bubble film
Film width (mm) 2500
Extruder 1 Layer ref: 100mm LD28mm
Screw diam 100
Description with granule feeding hopper. 3 Lever type screen changers for extruders diam.100 mm
Extruder 2 Layer ref: 100mm LD28mm
Extruder 3 Layer ref: 100mm LD28mm
Die width (mm) 2800
Rewinder description 3-shaft automatic winding unit complete with edge trim cutting, haul-off calender, cylinders
Additional information N.1 2-position unwinding group for third layer unit complete with disk braking with safety casing N.1 2-position unwinding group for fourth layer unit complete with disk braking with safety casing N.1 Bubble forming calender with cast cylinder and 2 preheating cylinders, vacuum suction pump with forming cylinder diam. 10x4 mm N.1 Chill roll unit with 2 cylinders diam 600 mm and 350 mm N.1 Air blade group N.1 Edge trim recovery system with suction heads, fan with ejector and sound proofing, sound proof mill with suction from grid, air-trim separation cyclone, motorised re-feeding extruder. • Power supply 380V 3-phase 50 Hz+N+G • Installed total power 760 Kw • Required water hardness 20°F • Compressed air quality dry • Compressed air pressure 8 bar

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