Mitsubishi 5 layers BOPP / BOPET extrusion machine

Number of layers 5
Film structure ABCDE
Material BOPP
Output max output 4400 kg/h, max speed 400 m/min,
Extruder's output 5900 kg/h
Width (mm) 8300

Extruder 1 Description Layerr C: Main extruder, MHI,
cascade extrusion, - melting screw 250mm, L/D 17,
4 zones heating 100kW, water cooling,
Drive motor 2x 600 kW AC vvvv - metering screw 300mm,
L/D 20, 6 zones heating 216kW, water cooling,
Drive motor 600 kW AC vvvv Capacity 4400 kg/h

Extruder 2 Description Layer A: Single screw extruder for skin layer, capacity 250 kg/h, screw diameter 90mm, L/D33,
screw speed 14-140 rpm, motor 90kW AC vvvf,
7 zones heating, total 45 kW

Extruder 3 Description Layer B:Single screw extruder for skin layer, capacity 500 kg/h, screw diameter 135mm, L/D33, screw speed 18-180 rpm, motor 200kW AC vvvf, 8 zones heating, total 88 kW

Extruder 4 Description Layer D:Single screw extruder for skin layer,
capacity 500 kg/h, screw diameter 135mm, L/D33,
screw speed 18-180 rpm, motor 200kW AC vvvf, 8 zones heating,
total 88 kW

Extruder 5 Description Layers E:: Single screw extruder for skin layer,
capacity 250 kg/h, screw diameter 90mm, L/D33,
screw speed 14-140 rpm, motor 90kW AC vvvf,
7 zones heating, total 45 kW

Head description Tide, automatic thickness profile control via
flexible lip with push-pull bolts actuated bx APC system,
Die width 1200mm, gap 2.9-4.3mm
Thickness controll system Automatic thickness profile control.
2 thickness gauge with Beta rays system. First gauge Sources 90 sr
and second gauge 147 pm
Chill roll unit Chill roller in water bath: - cooling roll Jacketed
type double wall, diameter 2600mm, roll width 1500mm, - tear roll,
driven 200 mm diameter, guide roll 200mm diameter,
take up roll driven 300 mm diameter, rubber surface nip
roller diameter 200 mm - speed 10-100m/min -
Air Knife width 1026-1200mm, 20m3/h - AC motor vvvf control -
Water pumping and termo regulation system
Film throughput 4400 kg/h

MDO description
Stretching ratio: from 1:1 up to 1:7;
- slow section 10-100mpm, after stretching40-400mpm;
- Preheating 9 temperature zones,
Medium speed stretching 2 temperature zones,
High speed stretching 2 temperature zones
18 pre heating rolls 600mm diameter,
4 stretching rolls 180mm diameter,
4 annealing rolls 500 mm diameter, 14 nip rollers
Threading device
Detector will breakage
Scrap winder - ac motors driven with vvvf control
low speed zone steam heated,
medium speed and high speed area pressurised hot water heating,

TDO description
Stretching ratio: from 1:7 up to 1:10
Inlet 900-1300mm width, outlet 7800-8600mm
Bearing type chain with 6 bearings
Preheating zone 1-7
Stretching zones 8-13
Heat set zones 14-18
Neutral zone
Cooling zone
Max tem in preheating 195C
57 m length heated part + 6m cooling section

Corona treatment Softal
Rewinder width max will wide 8700mm, turret type.
Cores 504mmx8700mm
Rewinder description reel diameter 1200mm
Slitter Primary slitter make Atlas included. Driven unwind,
Rewinder with center driven independent couple of arms.
Motor position of arms
Note Total length approx 120m