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 |
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