TECHNICAL CHARACTERISTICS
7-5
MA-5079-ENG MICRON GEAR ADHESIVE MELTER
Micron gear range option accessories
Automatic feeder system
Meler adhesive loaders ensure a continuous level of adhesive inside the tanks
of the melting units, eliminating the need for manual loading by the user.
Each time the tank sensor detects a low level of adhesive, it sends a signal to
the suction system, which transfers a load of pellets to the melting tank from
the adhesive container (or directly from the bag it comes in).
Air drying system for reactives adhesives
Polyurethane-based reactive adhesives, require a completely dry environment
before they can be applied, since when they come in contact with atmospheric
humidity, they reticulate, hardening quickly.
The Micron gear melting equipment ensures a dry environment thanks to the
addition of an air-drying system to these models, which provides a high level
of dehumidification. This guarantees that the adhesive is preserved without
premature reticulations inside the applicator unit.
Pneumatic by-pass valve pressure control system
The equipment’s by-pass valve provides an important safety feature, as it
limits the maximum pressure in the system, especially during continuous
pumping periods with closed applicators.
This valve may be a manual adjustment valve, using a threaded screw, or
with pneumatic control, using a pressure regulator and a pressure gauge. In
the latter case, the adhesive circuit pressure has a 1:13 ratio to the hydraulic
pressure.
Level control system
There are three methods for controlling the hot-melt level in the interior of the
tank: by means of a capacitive sensor that issues a warning when the adhesive
reaches the programmed level thanks to a low level signal, by means of a float
sensor with a low level display on the control board, or from the main machine
by means of a NO (normally open) voltage-free contact.
Warning light option
The warning light must be requested separately. There is a choice of the low
level and colourless (white) indicator light or the low level and temperature OK
indicator light (green). They are both the same for all machines.
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