MUS033202
18/10/2010
VALCO MELTON S.L.U. Pol. Ind. Agustinos C/G 34 3116 0 ORCOYEN, NAVARRA
TEL: +34 948 321580 Fax: +34 948 326584 [email protected] www.valcomelton.com
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2.2.1. Frame:
The frame consists of a base plate on which equipment is installed.
2.2.2. Tank:
Where the Hot-Melt or other similar material is melted in a tank (the
other material can be in the form of pellets or blocks). The cast
aluminium tank is lined with Teflon to avoid carbon deposits and crystal
formation, and incorporates a heating system through resistances.
The heating of the resistances is controlled by sensor with a micro-
controller, and can be programmed up to 240ºC.
2.2.3. Pump-distribution system:
It transfers the adhesive from the drum to the distributor
.
Manifold:
The manifold distributes the Hot – Melt, once filtered, to the hoses and
guns.
Made of aluminium, it is assembled on the lower part of the tank so
that the tank resistances can heat it indirectly.
The filter in the manifold consists of a core and fine in line filter screen
to filter the crystal particles or dirt that could be present in the
adhesive.
The manifold has 6 outlet holes to connect the Hot-Melt hoses: three at
the front and three at the back.
Pump:
The pump drives the Hot-Melt or other heat-meltable product at a
certain pressure from the tank to the substrate (or material to be
glued), passing through a distributor, filter, hoses and guns.
The pump unit consists of an electrovalve, a pneumatic cylinder and a
double-acting hydraulic pump with a pressure compensator to avoid a
drop in the flow produced in changing the direction of the pump, and
enabling uniform discharge of the Hot-Melt.
Manifold mustn’t be dismantled, only this operation will be able in
case of leaking adhesive between tank and manifold.
2.2.4. Pressure regulator and electrovalve control
Pressure regulator:
The element used to raise or lower the pressure indicated on the
pressure gauge. It is regulated depending on the application that has to
be made.
It includes an air filter to avoid the entry of impurities into the
machine.
