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Three-layer Co extruded High-efficiency Blown Film Line
Description:
- Extruding Units
- Screen Changer
- Die Head Unit
- Flexible joint
- Air ring
- Water ring
- First Haul –off unit and Collapser
- Reserve Haul-off Unit
- Guiding Roller
- Second Haul-off unit
- Film Guiding Device
- Winder
- Computer control system
TowerA. Basic Specification1. Film max. layflat width: 1025mm;
2. Film thickness: 0.05~0.20mm
3. Film thickness tolerance: ≤±10%
4. Film structure: A/B/C/D/E
5. Max. Reel Diameter: Ø800mm
6. Mechanical liner speed: 25m/min
7. Processing materials: PP, LDPE, mLLDPE, PA, EVOH and adhesive
8. Max. output: 160kg/h
9. Overall dimensions(l×w×h): appr. 112000×8000×8100mm
10.Total power of the line: appr.160kW
11. Line weight: approx.35t.
B Technical Specification1 Extruder 5 sets
l A, E Layer extruder screw and barrel(for PP and/or PE processing)
l Diameter: 45mm×2 sets
l Screw L/D ratio: 30 : 1
l Material: 38CrMoAlA
l Heating techniques: forging, heat treatment, nitrided
l Max screw speed: 100r/min
l Barrel heating zone: 4 zones for each layer, heating power: 12kW (2 sets), with auto temperature control
l Motor power: 11kW×2 sets, quipped with inverter,
l B, D Layer extruder screw and barrel(for adhesive processing)
l Diameter: 45mm×2 sets
l Screw L/D ratio: 30 : 1
l Material: 38CrMoAlA
l Heating techniques: forging, heat treatment, nitrided
l Max screw speed: 100r/min
l Barrel heating zone: 4 zones for each layer, heating power: 12kW (2 sets), with auto temperature control
l Barrel heating mode: ceramic heater Motor power: 11kW×2 sets, quipped with inverter,
l Motor power: 11kW×2 sets, quipped with inverter,
l C Layer extruder screw and barrel(for PA and/or EVOH processing)
l Diameter: 45mm×2 sets
l Screw L/D ratio: 30 : 1
l Material: 38CrMoAlA
l Heating techniques: forging, heat treatment, nitrided
l Max screw speed: 80r/min
l Barrel heating zone: 4 zones for each layer, heating power: 6kW (1 set), with auto temperature control
l Barrel heating mode: ceramic heater Motor power: 11kW×2 sets, quipped with inverter,
l Motor power: 11kW×1 set, quipped with inverter.
l Gear box: Involute cylindrical skew wheel
l Wheel made of 20CrMnTil, cementite quenched, precision grinded. (20CrMnTi alloy steel, which is the special material for reducer of heavy camion, surface through cementite processing and high precision grinding, with cycle oil lubrication system for outside, to extend using life).
l Lubrication mode: force oil cycle lubricating
l Cooling mode: force water cycle for cooling oil temperature
l Filtering mode for oil tank: disassemble and assemble outer-install oil-filter, with cooler (oil vacuum by oil pump, cooling through oil chiller, then cooling gear wheel and bearing).