Bobst Rotoextruder 400F 1300/400

EXTRUSION LAMINATION CONVERTING LINE
Width: 1300mm
Coating/lamination units: 2
Coating/lamination unit 1 description: 1 coating unit with double hoods, complete with the chill roll with anodized surface mounted at ventilation chamber outlet
Main characteristics of the unit: water based primer coating
Rotogravure: not cartridge
Unit coating unit drive
Independent drive: AC vector motor
Connection of the AC vector motor to the cylinder by pneumatically operated clamping Coating cylinder diameter: 300mm
Coating cylinder is mounted on bearing fixed on the unit side frames
Ceramic engraved coating cylinder included
Ventilation group 2V2500
Zones: x 2 with independent thermal regulation
Drying path length 5.000mm
Air flow rate to the air nozzles: 206Nm3/min
Heating and thermo regulation: x 2 for ventilation

Coating/lamination unit 2
Coextrusion lamination: Reifenhauser
Extruder A: screw diameter 100mm
Screw length: 30D resins to be extruded LDPE, PP, EVA, EAA
AC motor
Vector control: Siemens
Hydraulic screen changer

Extruder B Reifenhauser
Screw diameter: 80mm
Screw length: 30D through put of LDPE MI 4-7
Maximum web width: 260kg/h
Resins to be extruded: LDPE, PP, EVA, EAA, Surlyn
AC motor: 117kw

Thermoregulation zones: x 5
Dosing units: x 2
Resins suction: Doteco

Primary unwind:
Duplex automatic unwind SV320, maximum reel diameter 1000mm
Maximum permitted round off ±5mm
Web tension range 5 to 50daN
Maximum reel weight 1700daN
Draw group composed with Calender 290mm diam with pressure nip and AC drive

Secon unwind:
Duplex automatic unwind SV320
Maximum reel diameter 1000mm
Maximum permitted round off ±5mm
Web tension range 5 to 50daN
Maximum reel weight 1700daN

Draw group composed with Calender 290mm diameter with pressure nip and AC drive
Duplex automatic rewind 320: maximum reel diameter 1000mm, fixed arms, splicing in either direction
Speed: 400m/min

Product structure:
Materials: primary unwind, BOPP minimum 15 1¼m, maximum 50 1¼m
PET minimum 12 1¼m, maximum 50 1¼m
PA minimum 23 1¼m, maximum 100 1¼m
OPA minimum 15 1¼m, maximum 50 1¼m
PE minimum 35 1¼m, maximum 100 1¼m
Paper minimum 40g/m2, maximum 100g/m2
Laminated materials minimum 50g/m2, maximum 140g/m2
Secondary unwind: Alu foil minimum, 6 1¼m, maximum 20 1¼m
BOPP minimum 15 1¼m, maximum 50 1¼m
PET minimum 12 1¼m, maximum 50 1¼m
PE minimum 35 1¼m, maximum 100 1¼m
Rewind: laminates maximum 300g/m2
In extrusion: Resins minimum 10g/m2 maximum 40g/m2

Heating: indirect by thermal oil
Minimum temperature at our points: 230°c
Web guiding units: x 2, mounted under each unwind from BST
Coroner treaters: x 2 from Bobst/Mero
Thickness measurement system by: NDC