IBC 3 Layer Film Blowing Machine
Our 3 Layer Film Blowing Machine is a high-performance, high-precision 3 Layer Film Blowing Machine specialized in manufacturing multi-layer films with superior thickness uniformity, excellent transparency, and outstanding mechanical properties. Integrating advanced IBC internal bubble cooling technology, precision extrusion control, and fully automated winding system, this upper rotary blown film machine is ideal for producing high-quality LDPE, LLDPE, HDPE, and EVA films.
Model SJ-3
IBC 3 Layer Film Blowing Machine
Our 3 Layer Film Blowing Machine is a high-performance, high-precision 3 Layer Film Blowing Machine specialized in manufacturing multi-layer films with superior thickness uniformity, excellent transparency, and outstanding mechanical properties. Integrating advanced IBC internal bubble cooling technology, precision extrusion control, and fully automated winding system, this upper rotary blown film machine is ideal for producing high-quality LDPE, LLDPE, HDPE, and EVA films.
Technical specifications
| Model | SJ-3 |
|---|---|
| Max Output | 500 kg/h |
| Film Width (Folded) | 2600mm |
| Thickness Range | 0.025 – 0.15mm |
| Tolerance | ≤ ±5% |
| Extruders | SJ90/30 (1) + SJ75/30 (2) |
| Screw Material | 38CrMoALA (Nitrided) |
| IBC Cooling Accuracy | ±5mm |
| Power Consumption | ~250KW (380V, 50Hz) |
| Machine Dimensions | 12.5m × 8.5m × 14m |
Key features
- 1× SJ90/30 + 2× SJ75/30 single-screw extruders, L/D 30:1
- 38CrMoALA nitrided alloy steel screws — wear and corrosion resistant
- 55 kW or 75 kW extruder motors with Delta inverters
- 24-zone automatic temperature control; ceramic and stainless heating rings with air over-temperature cooling
- Hardened tooth-surface gearbox with forced oil circulation and water cooling
- IBC 700 mm die with 2.2 mm gap, 40Cr mold steel
- Chrome-plated, dead-zone-free flow channels for even layer distribution
- Stainless strip heating, about 25 kW; 22 kW inverter-controlled external cooling fan
- Taiwan-style 1680 mm dual-port air ring
- 7.5 kW inlet + 7.5 kW outlet variable-frequency fans
- Ultrasonic bubble diameter sensors with PLC control, accuracy ±5 mm
- 14 m three-layer tower with inner walkway and air-cushion rotating guide rollers
- Horizontal ±360° rotating haul-off; 1.5 kW variable-frequency pulling motor
- Max bubble diameter 2600 mm; max folded width 2600 mm
- Dual-position automatic friction winder with Ø325×2800 mm nitrile rubber roller
- Rewind speed 10–80 m/min; max roll Ø800 mm; four Ø74 mm air shafts
- Flying-knife changeover, length metering horn and waste-free edge slitting
- 10.4-inch touch screen with PLC centralized control
- Delta inverters; Schneider low-voltage components; P+F ultrasonic sensor; Parker rodless cylinder
- 380 V / 50 Hz three-phase, about 250 kW installed
- Optional: Hydraulic screen changer with hydraulic station
- Optional: Three-layer co-extrusion micro weight system
- Optional: 10 kW corona treater (closed frame, Ø90×2700 mm)
- Optional: 20 HP chiller
What it produces
- Barrier film
- Deep-freeze film
- High clarity
- 500 kg/h output
Price & quotation
$60,000 – $150,000
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