75 mm Dolci Blown Film Line

Description

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:

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