3 layers DOLCI NEXTROM 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	CA151
Manufacturer	DOLCI
Model	NEXTROM
Year	1998
Number of layers	3
Film structure	ABC
Material	STRETCH FILM
Film width (mm)	2000
Speed (m/min)	550
Output (Kg/h)	1200 kg/h of LLDPE
Extruder 1 Layer ref:	A
Screw diam	90mm
Description	30D including feeding hopper with magnetic grid bimetallic barrel Reiloy 121/nitrited screw 2 melt pressure/ 1 melt temperature gauges ABB 138Kw DC motor complete with ABB drive; thermoregulation cartridge screenchanger
Extruder 2 Layer ref:	B
Screw diam	180mm
Description	30D extruder complete as above with ABB 3641 W motor and ABB dribe
Extruder 3 Layer ref:	C
Screw diam	120mm
Description	ABB 213 KW ; DC motor and ABB drive connection pieces to the head . Thermoregulation for screenchanger,
Head description	Cloeren flat die with lips opening automatic adjustement. 3 ways feed block
Chill roll unit	2 water cooled rollers- first group 1000mm diam with brake- second roller 350mm diam ABB brushless motorization with dedicated special drive and control panel.1tank and pumps group for chill roll watr cooling
Web guide	1 edge recovering system
Rewinder description	BVA/2000 automatic winder with surface, gap. center driver winding system complete with take off group, load cellls for film tensioning, winding pressure adjustement device,
Additional information	1 fumes suction hood complete with electric fan Dual chamber vacuum box ABB brushless moorization 2 spare shafts store- transversal cutting device-trimming cutting device with 5 knives holder SIemens series S7 control cabin et PLC controlled Automatic shafts handling robot Optional: 1 gravimetric dosing system for 3 extruders