Equalization mini stenter
The equalization is a heat treatment, carried out on some types of fabrics both traditional and mesh, which uniforms with steam administration, the height of the piece along its entire length.
This process usually takes place at the end of the finishing cycle.
The piece, positioned in the center of the machine entrance, passes:
through a tensioner (see figure A, point 1),
in a tissue centering-enlarging unit (fig. A, 2);
through a series of devices (selvedge spools, feelers and superchargers).
It is then dragged by two chains (fig. A, 3), equipped with plates with metal points on the
which the selvedges are fixed by pressing two brushes.
The first part of the machine is characterized by the presence of articulated movement chains
to pin the piece at the height with which it appears at the beginning of the path. Chains can
be spaced from each other in such a way as to adapt them to the height of the rolling, which occurs
in the second part of the machine.
The piece then passes through a group of vaporization, where a steaming tray (fig.
A, 4), placed under the belt, invests the fabric with its steam, helping to make it uniform
and to equalize its height.
The fabric, heated and humidified, "relaxes", allowing ironing in the narrower areas than
at the height set by spacing the chains.
An aspirator (fig. A, 5) eliminates excess steam.
Steamed and humid, it passes into a drying area (fig. A, 6) formed by radiant batteries,
which make the fabric hot and dry when exiting.
A cooling unit (fig. A, 7) brings the fabric to its final state, setting the height
set for the piece.
At the end of the process the piece is rolled up in large or small packages or folded in
based on the needs of the subsequent operations that it will have to undergo.
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