W&H OPTIMEX blown film extrusion line year 2016
- Brand: W&H
- Model: OPTIMEX
- Year: 2016
- For the production of laminating film
- 3 layers
- Co-extrusion
- Total time the machine has run is 22000 hours
- EXTRUDER COMBINATION 70/90/70.30D
- Extruder A: 70.30D – outer layer
- screw speed up to 180 rpm
- three-phase drive, 82 kW
- Extruder B: 90.30D – core layer
- screw speed up to 140 rpm
- three-phase drive, 104 kW
- Extruder C: 70.30D – inner layer
- screw speed up to 180 rpm
- three-phase drive, 82 kW
- Blown film die head for 3-layer film type 315/500-3-P2K
- Fans for film cooling
- Die diameter: 500 mm
- Upper inner mandrel with die gap width 1,25 / 2,25 mm
Die lip heating - Film sizing and stabilizing cage with coated CFRP rollers: working width: 550 – 2200 mm
- Min-max film width: 990 – 2200 mm
- Haul-off width: 2200 mm
- Winding width after haul-off: 2200 mm
- Haul-off speed: max 150 m/min
- Reversing unit
- Film cooling via circulating pump
- Collapsing unit
- 10 Idler rollers between haul-off and winder
- Web center guide brand: E+L
- Corona treater type L for two-sided treatment of the collapsed tubular film
- Secondary nip
- Edge trimming station at secondary nip
- Catwalk for operation of the draw unit, web guide control and treater
- with ladder
- FILMATIC O – DUAL WINDER:
- Film width: 2200 mm
- Film gauge for LDPE, LLDPE 20 – 250 micron
- Max reel diameter: 1200 mm
- Max. reel weight: 2500 kg
- Core inner diameter: 76/152 (3″/6″)
- Core outer diameter: 80 – 182 mm
- Web tension between haul-off and draw: 30 – 500 N
- Web tension between draw and contact roller 30 – 350 N
- Taper ratio of web tension at maximum reel diameter 0 – 50 %
- Contact pressure between film reel and contact roller 100 – 1000 N
- Taper ratio of contact pressure at maximum reel diameter 0 – 50 %
- Winding width: max. 2200 mm
- Haul-off speed: max. 150 m/min
- Winding mode: surface driven
- Configuration: back-to-back arrangement
- Air conditioning for switch cabinets
- Center drive for surface/center winding
- Maintenance free AC drive with DYNATRONIC digital drive technology
- Slitting stations at winding units
- The extruder combination mainly comprises:
- Direct drive with maintenance-free AC motors and thermally very stable and water-cooled frequency inverters
- Grooved bush temperature controller for homogenizing of the feed rate depending on the raw material(s) (incl. central water temperature control unit)
- Low-temperature barrier screw (design: LT, screw length 30D) for an excellent, homogeneous melt quality
- Operation and data display provided at the operator station PROCONTROL
- Magnet separator
- Inoex MODULE G3 Gravimetric dosing and throughput control for 3 extruders
- Air ring insert for die diameter 500 mm dual-lip for a blow-up ratio range of 1.8 – 3.5
- Multi-level internal bubble cooling H.Q. type for die diameter 500 mm with height adjustment
- Modular air cooler with filter
- Installed melting capacity max. 920 kg/h
- Total connected load approx. 490 kVA
- Not visible in operation
- Immediately available
