SML 3270.01.01 Coextrusion plants

The extrusion line was designed for cast film production.
Processing of thermo plastics in a temperature range of 150-300°C.
POSSIBLE LAYER STRUCTURES:
- mono film

- 3- layer (A-B+C-A)
- 5- layer (A-B-C-B-A)
DATA OF FACILITY
Total output of extruders max. 2230 kg/h
Extruder A: 90/33 L/D max. 330 kg/h
Extruder B.: 135/33 L/D max. 950 kg/h
Extruder C.: 135/33 L/D max. 950 kg/h

Film width range (net): 1600 - 2110 mm
Two rolls cutting possible (2x 800 – 2x 1055mm)
Thickness range: 25-580μm
Production speed: 10 - 150m/min
Roll width: 2500 mm
Max. roll weight: 2000kg

ADDITIONAL COMPONENTS (QUALITY):
Non-contact thickness equipment for automatic TD profile measurement with double side
corona treatment (max. 12000W)
Optical inspection system, including marker system if failures are detected, incident and transmitted light system

INFRA STRUCTURE (ADDITIONAL UNITS):
Dryer 1 – 4 with 4500-liter volume; heating capacity 48kw

Dryer 5 with 2500-liter volume; heating capacity 20kw

Dryer 6 with 1500-liter volume; heating capacity 15kw

Each extruder has a gravimetrical batch-dosing unit with 3 stations.
Each extruder has a melting pump and a 2-piston filter change system.

MAIN LINE COMPONENTS MANUFACTURERS:
SML: extruder; Chair, rollers, winding device
GWK: cooling extruder
KREYENBORG: screen changer
Cloeren: feed block, slot die
PIOVAN: dryer, dosing device
SERVE: Edge band cutting device
MATHO: suction
RAPID: Edge strip shredder
KONGSHILDE: Recyling edge strips, start rollers
INFSTAUB: filling station
SMK: chillers
SIEMENS: control
OCS: camera system
SEMET: labeling system
AFS: Corona Sation
BETA CONTROLL: Radiometric thickness measurement
SML: autom. FYLING SPLICE winding unit, BECKOFF control
SIMCO: antistatic
ALTEK: automatic roll manipulator (transfer carriage)