4 layers PRIMPLAST 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	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)