Windmoller & Holscher OPTIMEX

Number of layers: 3
Film structure: ABC
Material: LDPE, LLDPE
Film Width: 2200
Extruder 1 Layer ref: : A
Screw diam 1: 70.30D – outer layer
Description 1: screw speed up to 180 rpm
Extruder 2 Layer ref: : B
Screw diam 2: 90.30D – core layer
Description 2: screw speed up to 140 rpm
Extruder 3 Layer ref: : C
Screw diam 3: 70.30D – inner layer
Description 3: screw speed up to 180 rpm
Head description: BLOWN FILM DIE HEAD FOR THREE-LAYER FILM TYPE 315/500-3-P2K
Diameter (mm): 500
Thickness control system: MODULE G3 – GRAVIMETRIC DOSING AND THROUGHPUT CONTROL for 3 extruders, Brand: Inoex

Bubble cage:
FILM SIZING AND STABILIZING CAGE with coated CFRP rollers
Working width: 550 – 2200 mm, precise calibration of the film bubble through accurate adjustment equipment
Motorized central tube diameter adjustment and height adjustment, ultrasonic bubble control for highly dynamic direct blower control
without mechanical control elements, web break sensor (shut-down of extruders immediately after web break is detected)

Corona treatment:
CORONA-TREATER TYPE L for two-sided treatment of the collapsed tubular film
Working width: max. 2200 mm
Power output: max. 12 kW, dose: 26.09 Wmin/mÂ2 at v = 100 m/min, 5 mm segmental electrodes allowing skipping
of treatment in web flow direction, ozone extraction including pipes between the treatment station and the extractor fan

Web guide: Brand: E+L for a working width of 2200 mm, 2 ultrasonic sensors, electronic sensing system, rotating frame
Rewinder Type: Double back to back
Rewinder max reel diameter: 1200
Rewinder description: max. reel width -2200mm, max. weight 2500 kg.

Additional Information:
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 ratedepending on the raw material(s)
(incl. central water temperature controlunit)-low-temperature barrier screw (design: LT, screw length 30D) for an excellent, homogeneous melt quality
-screw and feed barrel in long-lasting, low
-wear material combination
-operation and data display provided at the operator station
PROCONTROL Line speed max. – 150 m/min
SCREEN CHANGERFANS FOR FILM COOOLINGMAGNET SEPARATOR for the extruder combination 70/90/70.30D