Expander is a machine similar to extruder,
which warrants the most favourable heat treatment of food
that facilitates digestion and makes food healthier.
Expander is equipped with:
- drive/power transmission
- charging hopper
- screw for compression and homogenizing
- frontal head provided with a flat adjustable die
- multiblade, frontal cutters for cutting the material into
pellets
The drive consists of a motor with a hydraulic joint/coupling
which communicates motion to the machine by belts.
The compression screw is compounded from various spiral
segments installed on one shaft. The frontal die is mobile
and can turn round thanks to a hydraulic piston.
By turning the die we can increase or reduce the space
where the product leaves the machine, thereby we change
the pressure and the extrusion moulding of final product.
The frontal cutter can rotate at variable speed, so it
can determinate pellet size. Through the length of the
expander we can add steam under high pressure. It’s possible
due to many special injectors. |
Technical details 
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