3 layers MACCHI Blown film extrusion line

Raw material most commonly used are low density polyethylene (LDPE) and High density polyethylene (HDPE). These are often used in blends with other polymers and additives.

Machine Code EX688
Manufacturer MACCHI
Year 2015
Number of layers 3
Film structure ABC
Material LDPE, LLDPE, MDPE, HDPE (in blends)
Film Width (mm) 2100
Output (Kg/h) 600
Extruder 1 Layer ref: A
Screw diam 65mm
Description L/D30; Screw rpm: 0-170; AC motor 86KW, 4 heating zones, leverage screen changer, Gravimetric mixer 4 componentsDOTECO type Adroit with resin vacuum loaders
Extruder 2 Layer ref: B
Screw diam 105mm
Description L/D 30; Screw rpm: 0-110; AC motor 180KW, 5 heating zones, leverage screen changer, Gravimetric mixer 4 components DOTECO type Adroit with resin vacuum loaders
Extruder 3 Layer ref: C
Screw diam 65mm
Description L/D 30; Screw rpm: 0-170; AC motor 86KW, 4 heating zones, leverage screen changer, Gravimetric mixer 4 components DOTECO type Adroit with resin vacuum loaders
Head description Extrusion head Coex flex, dierange possibility 350-500mm Automatci air rink KARAT COM 3 with automatic thickness profile control; IBC JET 7 ultrasonic control 2 fans 18KW each
Die diam (mm) 400mm diam; 1,2mm gap
Bubble cage 4 Ultrasonic sensor for diameter, sensor for bouble breaks; bouble cage non marking 5+2 levels 8 arms each
Take off unit Rotating 360 deg, cylinder width 2200mm, web width 2100mm, collapsing panels either with carbon fiber rollers or with wooden bars, double S shape cooling calander;
Corona treatment CASON
Web guide E+L
Rewinder max reel diameter 1200mm
Rewinder description Type BO-PLUS, possibility of reverse winding (both direction winding) with Easy load; in line slitting, laser for cores position, , Antistatic bar SIMCO, 76 mm shafts in steel, 152mm shafts in alluminum
Additional information Mechanical speed: 7-150 m/min Tower included, height approx 15m Pulling calender between take off and winder Chiller included

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