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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