4 layers PRIMPLAST 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 CA117
Manufacturer PRIMPLAST
Year 1994
Number of layers 4
Film structure ABCD
Material STRETCH FILM / mLLDPE M.F.I from 2 to 4 . Density from 0,880 to 0,920 . Min-max thickness 12-35 my for LLDPE
Film width (mm) 3000
Speed (m/min) 450/m mechanical speed
Output (Kg/h) 1500kg/h
Extruder 1 Layer ref: A
Screw diam 160mm
Extruder 2 Layer ref: B
Screw diam 160mm
Extruder 3 Layer ref: C
Screw diam 50mm
Extruder 4 Layer ref: D
Screw diam 70mm
Head description Cloeren brand . Flexible lip coextrusion t-die, manually adjustable
Die width (mm) 3600mm max extrusion die slot.
Chill roll unit 3400mm chill roll and rolls width. Chill roll diameter 1000mm;
Thickness controll system Yes. Gauging sensor mounted on automatic scanning frame. Control and visualization console monitor.
Rewinder description 4 spare pneumatic expansion shafts with external diam. 74mm suitable for cores with internal diam from 76,2mm or 3" - ( 3 shafts installed on the line and 1 spare shaft ). nr. of winded rolls (machine rolls and jumbo rolls) 6x 500; 6 x 450
Additional information Max rolls weight (for 3" core) about 60 kg. Edge trims re-feeding unit with vertical hopper with forced feeding of the grinded material mixed with the virgin resin . In-die feed block . Single chamber vacuum box . Film Oscillation device . Water pumping unit . Automatic palletising rolls with Robot .Footprint: 23mt x 12mt x height 7mt .Installed power about 1200 kw(chiller excluded)

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