Dolci 75 mm Blown Film

Manufacturer Dolci
Model 75 mm Blown Film
Year 1992
Country USA USA
Condition Excellent
Main category Plastics
Subcategory Extrusion Line
ID P90801063

75 mm Blown Film Line:

75 mm Dolci 1992 Single Screw Extruder approx length 2.8m (32/1) Refurbished in 2014
The equipment was used here for the following:
· Material blend – LD 54.5%, LLD 28%, Master Batch (LD colorant) 7.5% and Calcarb (filler) 10%.
· Width – material is printed in a ‘tube’ non-edge trimmed state after passing through the Corona Treater.
Maximum printed width is 1350mm
Target non-trimmed width is 1420mm
Actual Corona treater width target approx. 1450mm – to allow for alignment and width fluctuation
Segmented operation with minimum Dyne level 40
· Line speed
Product thickness is nominally 50 to 100 µm with very occasional 500 µm (0.5mm)
Throughput range between 90 and 180 kg/hr
Line speed minimum 3m/min
Line speed maximum 55m/min (note the maximum run normally is nearer 25m/min when printing)

The unit comprises of:
A masterbatch feed system
the Dolci Extruder that you supplied c/w 112kw DC motor along with
Blown film mandrel Moda Meccanica TXCO/300
The new Martignoni corona treater – max treated width 1400mm
I think the printing station is now fully obsolete
Moda Meccanica winder station two sided - 300 mm Die
Munchy edge trim recycle

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