Bobst ROTOEXTRUDER 400F 1300/400 Extrusion lamination machine

Width (mm) 1300
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 type unit Coating unit drive
-Independent drive by AC vector motor,
-Connection of the AC Vector motor to the cylinder by pneumatically-operated clamping system Coating cylinder
-Coating cylinder diameter: 300 mm
-The coating cylinder is mounted on bearing fixed on the unit side-frames.
-Ceramic engraved coating cylinder included 1 ventilation group 2V2500 - 2 zones with independent thermal regulation
-Drying path length - 5.000 mm
-Air flow rate to the air nozzles 206 Nm3/min 2 heating and thermoregulation group for ventilation

Coating/lamination unit 2 description :
1 coetrusion lamination section by Reifenhauser Extruder A - screw diameter 100 mm
Screw length: 30D
Resins to be extruded LDPE, PP, EVA, EAA AC motor, Vectorcontrolled, Supplier: Siemens 1 Hydraulic Screen Changer Extruder B by Reifenhauser Screw diameter 80 mm
Screw length: 30D
Throughput of LDPE M.I. 4-7, on the max web width 260 Kg/h
Resins to be extruded LDPE, PP, EVA, EAA, Surlyn AC
Motor: 117 kW - N° of thermoregulation zones 5 2 dosing units and resins suction systems from DOTECO

Primary unwinder description :
Duplex automatic unwinders(SV 320) max. reel diameter 1000 mm
Max permitted round-off ±5 mm
Web tension range 5 to 50 daN max reel weight 1700 daN
Draw group composed with Calender 290mm diamwith pressure nip and AC drive

Secondary unwinder description :
Duplex automatic unwinders(SV 320)
Max. reel diameter 1000 mm max permitted round-off ±5 mm web tension range 5 to 50 daN
Max reel weight 1700 daN Draw group composed with Calender 290mm diamwith pressure nip and AC drive

Rewinder description :
DUPLEX AUTOMATIC REWINDER - 320 Type, max. reel diameter 1000 mm, fixed arms, splicing in either direction
Speed 400m/min

Product structure / Materials :
Primary Unwinder : BOPP min. 15 µm max. 50 µm PET min. 12 µm max. 50 µm PA (*) min. 23 µm max. 100 µm OPA (*)
min. 15 µm max. 50 µm PE min. 35 µm max. 100 µm Paper min. 40 g/m2 max. 100 g/m2
Laminated materials min. 50 g/m2 max. 140 g/m2

Secondary unwinder: Alu foil min. 6 µm max. 20 µm BOPP min. 15 µm max. 50 µm PET min. 12 µm max. 50 µm PE min. 35 µm max. 100 µm
Rewinder: Laminates max 300 g/m2 In Extrusion: Resins min. 10 g/m2 max. 40 g/m2

Heating -Indirect by thermal oil
Minimum temperature at our points 230 °C 2 web guiding units mounted under each unwinder
from BST 2 corona treaters from BOBST/MERO 1 thickness measurement system by NDC