Quadruple extrusion line

KraussMaffei Vierfachhaus

1. General Description

Machine Name: QUADRUPLEX EXTRUDER No. 1
REF No.: FU-FPs 647

2. Functional Scope and System Components

The overview presents the complete production line in conjunction with the quadruplex extruder, including material conveying systems, belt guidance, belt scanning, acceleration zones, cross-cutting, and cassette winding stations.

2.1 Main Assemblies
- Extruder head
- Multiple "swings" (pivoting arms), numbered 0 to 13
- Strip scanning systems ("Scan 1", "Tri Scan", Strip detection 1–4)
- Cross-cutting unit ("cross-cutter")
- Cutting machine
- "Cutting table"
- Conveyor belts labeled BELT 1, BELT 2, BELT 3

Winding Section:
- Cassette winders 1–4
- Winding stations labeled "Winder 1–4"
Note: Winders 1 and 2 marked "out of service"
- Cooling water tank
- Cooler
- Electrical peripheral equipment, TCU units (temperature control units), control cabinets ("control cabinet", "ctrl.cab.")
- Steel platform structures ("platform", cooling section platform)

3. Operating Parameters

3.1 Production Speed
0–30 m/min (specified production speed range)

3.2 Acceleration Section (Acceleration Speed Q1)
From the provided calculations:
- Basic production speed: 30 m/min = 0.5 m/s
- Rocker cycle time: 4 sec
- Belt shifting cycle time: 4 sec
- Gap length: 2 m
- Acceleration length: 8 m
- Acceleration time: 16 sec
- Speed difference: 2 m/s = 7.5 m/min
- Resulting acceleration speed: 37.5 m/min

4. Strip (Material) Specifications

4.1 Strip Dimensions
- Strip width: 20 mm – 220 mm
- Strip thickness: 1.5 mm – 16 mm
- Strip temperature: 10 °C – 45 °C
- Strip weight: 0.02 kg/m – 2 kg/m

4.2 Strip Lengths Along the Line
(Exact lengths between defined mechanical and sensor points)
- Extruder head → Swing 0: 3,997 mm
- Swing 0 → Swing 1: 10,279 mm
- Swing 1 → Strip detection 1: 14,400 mm
- Strip detection 1 → Strip detection 2: 39,159 mm
- Strip detection 2 → Strip detection 3: 1,812 mm
- Strip detection 3 → Strip detection 4: 27,702 mm
- Strip detection 4 → Cross-cutter: 22,032 mm
- Cross-cutter → Transfer belt pos. 10: 13,956 mm

Other splitting and merging sections:
- From splitting point pos. 10.1 → Rocker pos. 5: 17,545 mm
- From splitting point pos. 10.2 → Rocker pos. 5: 17,542 mm
- From merging point pos. 10 → Belt splitting point pos. 1–4: 17,827 mm

Final travel lengths to winding stations:

Belt position

To cassette station – belt end
Position 1: 6,050 mm
Position 2: 9,072 mm
Position 3: 12,376 mm
Position 4: 15,393 mm

To Spool Core (inner core)
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Position 1: 6,844 mm
Position 2: 10,004 mm
Position 3: 13,346 mm
Position 4: 16,325 mm

5. Installed and Referenced Equipment

The document lists an extensive chain of equipment references from which the quadrup­lex extruder line is "derived" or which it "includes", for example:
- FU-FPs 648 – Cassette winders
- FU-FPs 649 – Conveyor modifications
- FU-FPs 650 – Extruder modifications
- Older equipment from Berstorff (1995–1996)
- Triplex winding equipment
- Steel structural foundations (2005, 2019)
- Conveyor control desks (Erhardt + Leimer, 2019)
- Axelent safety fence
- Various construction and civil engineering modifications (2018–2019)

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