Mestra ECLIPSE II-T Manual Del Usuario página 6

Sandblaster Eclipse II-T
The Sandblaster Eclipse is specially designed for
precision-blasting small parts used in the dental
prosthesis industry.
To working modes are possible:
▪ A fix nozzle that recycles the abrasive of the big tank
under the cabin (particles up to 300 microns).
▪ Two precision mobile nozzles with independent tanks
without abrasive recycling (particles up to 150 and
250 microns).
For optimum output and performance of this unit, we
advise you to read the following instructions with great
care.
Installing the unit
▪ Carefully unpack the unit.
▪ A rigid flat surface must be chosen for installation of
the unit, at a safe distance from any sources of
vibrations or heat, and the surrounding atmosphere
must not contain excess moisture, since this could
cause compacting of the emery particles inside the
chamber, and lead
microblasting nozzles. The unit must also be
positioned on a level which allows objects inside the
chamber to be handled with ease.
▪ Hook up the air connection tube supplied with the
unit to the connection at the rear of the unit. The
other end must be fitted to a compressed air facility,
with at least 6 bars of pressure and minimum flow
rate 100 litres/minute.
▪ Hook up the electric plug to 230 V, 50/60 Hz, which
must be earthed.
Fix nozzle
▪ Fill the tank under the cabin with aluminium oxide of
a maximum diameter of 300 micron. To obtain a
maximum autonomy, load the hopper up to a
maximum height of 2 cm below the tray.
NOTE: the unit is optimized for 200-micron
particles and getting an stable jet. With smaller
particle diameters (100 microns) the jet may be
more irregular.
Mobile nozzles
▪ Connect the pedal drive tube to the coupling nozzle
on the right-hand side of the unit. Then position the
pedal for comfortable foot operation.
▪ Unscrew the sandblasting module covers (D), and fill
the pans with emery. During this operation, it is most
important not to fill the pans to more than ¾ of
their capacity. Put the covers back on, and ensure
they have been screwed on tightly.
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to obstructions in
▪ In relation to the calibre of the nozzles, the machine
is supplied ex-works to the following criterion of
nozzle diameters and colours:
Blue
Red
Regulating the pressure
The blowing pressure of the blasting guns can be
regulated depending on the nature and characteristics of
the operation to be carried out. Use the pressure-
adjustment knob (B) on the top of the unit – pull the
knob upwards, and rotate it to the required pressure. The
unit has a pressure gauge (C) for easy selection of
operating pressure. When the pressure has been adjusted,
lock out the regulator knob by pushing it down to the
initial position.
Connection to the suction unit
The blasting chamber must be permanently connected to
forced suction via an outgoing tube on the top left of the
unit (G). Suction must be able to produce a slight
the
depression inside the chamber for continuous gentle
circulation of the powder generated towards the
outgoing tube.
Depending on the requirements and geometry of the
external suction unit, it is possible to use the PVC elbow
fitting supplied for specific needs.
Using the unit
1. Open the lid of the chamber, and put in the part you
wish to blast. Parts may also be placed inside the
chamber via sleeve.
2. Hold with your hand the pieces to sandblast inside
the chamber.
3. Close the lid of the chamber, and ensure it is tightly
shut (the glass should fit snug against the housing).
4. Suitable protection gear must be used: goggles,
gauntlets and a mask.
5. Start up the forced suction facility.
6. The LED light in the chamber may be activated for a
better view of the part, if required, using switch (G).
Fix nozzle
▪ To use the fixed gun, move the slide on the valve (K).
Move it upward to make the gun blow. Down
position cuts the air flow off.
▪ Using the rubber gloves (D) built into the booth,
move the workpiece so that it is pointed properly
towards the blasting jet.
(up to 150 microns)
Ø 1 mm
(up to 250 microns)
Ø 1.25 mm

EN