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 EX542
Manufacturer MACCHI
Year 2002
Number of layers 3
Overhaul/renovation The die, the gravimetric dosing systems, the lineer winders, the electronic control panel, the profile measurement system, the corona treater,the web guides, the drives, extruders screws, cooling rings etc are all new and around 10/12 years old. Edge guide new year 2016
Film structure ABC ( Layers distribution A: 30% B: 40% C: 30% )
Material LDPE, LLDPE, BLENDS HDPE, MDPE, mLLDPE . Film thickness min. and max 20 – 200 micron
Film Width (mm) 2100
Output (Kg/h) Production capacity 450 kg/h 4 max., 10.8 tons/day 3.600 tons/year max.capacity
Extruder 1 Layer ref: A
Screw diam 65mm
Description Extruder Plastex 65/ 30D Screw speed 130rpm Gravimetric dosing unit Doteco Blendo 4 components HYDROLIC, PLATE TYPE SCREEN CHANGER ; AC MOTOR 80 kW
Extruder 2 Layer ref: B
Screw diam 80mm
Description Extruder Plastex 80 / 30 D Screw speed 135rpm Gravimetric dosing unit Doteco Blendo 4 components HYDROLIC, PLATE TYPE SCREEN CHANGER AC MOTOR 120 kW
Extruder 3 Layer ref: C
Screw diam 65mm
Description Extruder Plastex 65/ 30D Screw speed 130rpm Gravimetric dosing unit Doteco Blendo 4 components HYDROLIC, PLATE TYPE SCREEN CHANGER ; AC MOTOR 80 kW
Head description Gap 2,2 mm . COOLING CONTROL SYSTEM – K DESIGN ; COOLING RING – MACCHI
Die diam (mm) 400 mm ;
Thickness controll system . PROFILE CONTROL SYSTEM & THICKNESS SCANNER – KUNDIG K 100
Corona treatment CORONA TREATMENT SYSTEM – 2 SYSTEMS OF FERRARI BENELLI ; DOUBLE SIDE TREATMENT – INNER AND OUTSIDE LAYERS
Web guide WEB GUIDE SYSTEM – E+L ERHARD LEIMER
Rewinder max reel diameter 850mm
Rewinder description Auto unloading & winding shafts ;3 inches pneumomechanical winding shaft - 4 pc ; 6 inches pneumomechanical winding shaft - 5 pc
Additional information Film widths min. and max Min = 800 mm / Max = 2100 mm Mechanical speed of the winders from 7 to 150 mt/min Maximum width of film passage on the winders : 2200 mm Electric power 400 Volt 3phase + neutral – 50 hz Installed power 600 KW (approx.) Compressed air pressure 6 bar Operator control touch screen monitor

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