2019 Bobst Rotoextruder 400F 1300/400 Extrusion lamination Line

BOBST ROTO EXTRUDER 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