Paper machine, Voith 4500mm, 1350m/min

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Technical data:

Machine:
Paper machine, Voith 4500mm, 1350m/min
Article No.:
6434
Producer:
Voith
Type:
Gap former
Size:
50-120 g/m², 4500mm at reel
Capacity:
25 t/h at 80 g/m², 1350 m/min

Description:

  • Manufacturer: Voith

  • Machine Type: Gap former with triple‑layer headbox

  • Trimmed Width: 4500 mm at reel

  • Grammage Range: 50–120 g/m²

  • Production Capacity:

    • approx.13.5 t/h at 50 g/m²

    • approx. 25 t/h at 80 g/m²

  • Design Speed: 1350 m/min

  • Operating Speed: approx. 1200 m/min

  • Winder Capacity: approx. 550 t/d

Headbox System

  • Type: Triple‑layer headbox

  • Layer Basis Weights:

    • Outer layers: 20 g/m² each

    • Middle layer: 40 g/m²

  • Fibre Composition:

    • Outer: virgin fibre

    • Middle: hardwood + filler

Forming Section

  • Former Type: DuoFormer (high‑stability gap forming)

Press Section

  • Slalom Groups: 2 (pre‑dryer)

  • Dryer Groups: 5 conventional

  • Pre‑Dryer Cylinders: 41

  • Post‑Dryer Cylinders: 15

  • Nip Loads: 80 / 95 / 1000 kN/m

  • Final Press: Shoe press, smooth top cover

Metered Size Press (Voith SpeedSizer)

  • Application Beams: 2 × SDTA (short dwell time)

  • Starch Solids: 10–14%

  • Starch Pickup: 1.6–2.0 g/m² per side

  • Working Width: 4510 mm

  • Additional Equipment: Spreader roll, rope threading system

Calender (Küsters)

  • S‑Roll Diameter: 868 mm

  • Thermo‑Roll Diameter: 585 mm

  • Nip Load Range: 8–95 N/mm

Quality & Monitoring Systems

  • WIS (ABB): Web inspection, defect detection, CD/MD profiles

  • WMS (Procemex): Web break monitoring, real‑time video

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