MACCHI Coex flex 3

Material type:

LDPE, LLDPE, mLLDPE, HDPE, PP, regranulate

Machine dimensions (LxWxH):

16 X 5 X 10.5 m

Min/Max final Film width:

900 / 1700 mm

Film thickness:

27–200 µm

Capacity:

Up to 240 kg/h

Line speed:

0–150 m/min

Screw diameter:

55/65/55

Layer ratio:

Up to 25/50/25 %

L/D ratio:

30/1

Number of heating zones:

3 for 55 mm and 4 for 65 mm (1 zone per screen)

Dosing system:

Doteco Grado; 3 units with 4 components each; centralized vacuum pump (added later); all scales fully serviced last year; new software and external touch screen; neck (before extruder) with additional magnets

Electronics:

Siemens, ABB

Software:

Macchi’s; full control via touch screen (replaced 3–4 years ago)

Die head with IBC:

280 mm; 2.4 mm gap (3 heating zones); TE502 model with air ring extension

Internal cooling balloon diameter control (IBC)

Ultrasonic sensor (1 unit); JET internal cooling system

Air ring:

Karat, with 3 air inlets, 45 segments (valves), with integrated thickness control

Air ring blower:

YES

Thermoregulation chiller:

YES (Eurochiller)

Bubble cage:

YES; rollers with silicone cover; motorized electronic control; secondary cage with motorized open/close and adjustment

Thickness control:

K design (Karat, Kundig K-150); contact system integrated with air ring

Collapsing frame:

Free aluminum rollers

Rotation:

Nip roller 1800 mm (max film width 1700 mm); motorized open/close; speed control motor; other free rollers in aluminum; 2 ceramic air rollers for cooling

Water-cooled rollers after nip roller:

/

Film centering:

2 ultrasonic sensors (Five)

Corona treatment (double-sided):

YES (F&B); above winders; 8 kW generator; ozone extractor and film detector; 10 mm electrode width

Winders:

Back-to-bac

Winder model:

Model BO; nip roller 1800 mm (max film width 1700 mm); manual shaft placement; max roll diameter 1000 mm; trim and multiple output rolls; film tension and winding control; 2 banana rollers; ‘flying knife’ (new Origa knife installed a few years ago); electric panel included

Shafts:

4 x 76 mm and 4 x 152 mm

Trim suction:

YES; includes Supergrillo regranulation system

Frame construction:

YES

Installed power:

Approx. 150–200 kW (400 V, 3-phase