2240mm_FoldingBoxboard_Machine

Basic data:

Three layer board (top/middle/bottom)

Coating:

1. Top: rod – Varibar (6 gsm)
2. Top: Airknife (8-12 gsm)
3. Top; Blade – Combiblade Jagenberg (9-12 gsm)
4. Back: rod – Varibar (5-6 gsm)

Board type: GD2, GD3, GT2, GT4, GC2,GC4, UC4

Width on Pope reel :             2240 mm

Speed range:                   70 – 200 m/min

Grammage range:       190 – 550 gsm

BM construction:

Wet part

Middle ply: Head box – hydraulic with top former Voith (Duoformer)

Prepress; suction press for middle ply only (app 25-28% dryness)

Transport felt to top layer

Top layer; Octopus headbox (Pama) with suction roll and cutch press

Back layer; headbox hydraulic (Escher Wyss)

Press section:

0 Cutch press

1 Suction press

2 Jumbo press (1400mm diameter each, 150-400 N/mm)

3 Offset press (bottom roll- S roll)

Drying section:

Pre-drying section (20 Cylinder, 1500 mm diameter, 3.2 bar)

MG (Yankee) 4200mm diameter

After-drying section (10 Cylinder, 1500 mm diameter, 3.2 bar)

Kalander

Coating:

1. Top: rod – Varibar (6 gsm) Electro IR dryers
2. Top: Airknife (8-12 gsm) Gas IR dryers
3. Top; Blade – Combiblade Jagenberg (9-12 gsm) Air dryers
4. Back: rod – Varibar (5-6 gsm) Gas Air Dryers

Valmet QCS system

Pope reel (max diameter 1600mm)