3-layer blown film machines

PROCESSED MATERIALS:

LDPE, HDPE, LLDPE, mLDPE, PA, EVA, EVOH etc.


1. SCREWS

• Compression type with 2 barrier and 1 mixing zones.

• Made from steel SACM 645 or with bimetallic plating. For special order the screw can be made from steel SKD 61 (for stable work with recycled material);

• Screw L/D 32/1

• Diameters of Screw – 45/55/65/75/90 (on request)


2. BARRELS

Barrels of screws of Aleko technically designed with integrated material feeding section.

• Feeding section has helicoids’ spiral type grooves for increasing production capacity and wear protection

• Heating is provided by ceramic heaters

• Cooling is performed by axial blowers


3. GEARBOXES

Gearboxes of all Aleko series are designed for high loads

• Bearings and gear wheels are lubricated by immersing in oil. Oil cooling is made via heat exchange unit.

• Main bearing is integrated in gear case, which provides constant lubrication.


4. FILTRATION SYSTEM

Aleko blown film machines are equipped with manual type or hydraulic type screen changers.

5. CIRCULAR DIE HEAD (UP TO 5 LAYERS)

Perfect rheology;

• Short channels for material flow;

• Temperature maintenance;

• Effective system of air inlet for IBC;

• Working surface with hard chrome plating (thickness 30 mcm)

6. STACK TYPE DIE HEADS (FROM 5 TO 9 LAYERS)

- Thermal insulation of each layer
- Possibility of changing the number of layers (up to 9 layers)
- Possibility of quick cleaning of the die head

Series can be equipped with the following diameters of die heads:
250/300/350/400/450/500/600 at the customer’s needs


7. COOLING SYSTEM

- Dual lip air ring with the capability of air flow adjustment in narrow segments

- Inner Bubble Cooling (IBC)

- Automatic thickness control system