Functionalities
This section contains a description of BCN3D Sigma
functionalities. The main menu is divided into two large
groups: printing and utilities. The first covers all the
standard printing functions, while the second includes
functions such as calibration, maintenance, settings,
etc.
Printing
Located on the left-hand side of the main menu, this
starts the printing process. You can control some of the
parameters of the settings while the object is being
printed from here.
Select object: When you access the printing function a
screen appears with a list of files and folders. Use the
onscreen arrows to navigate and then click on the
selected file to confirm your selection.
Print: This screen displays the progress of the printing
process. Press the Pause button to move the extruders
away from the object and stop the printing process.
When the printjob is paused it is possible to load/unload
or purge filament, as well as cancel or resume the print.
The Stop button let’s you whether cancel the printing
process and take you back to the main menu or save
the printjob.
Settings: This option allows you to modify the printing
speed and temperatures. When you select the element
that you want to adjust, the objective temperature/
speed value appears, and you can adjust them by using
the arrows. The Back button in the top left-hand corner
will take you back to the printing screen.
Utilities
Situated at the center of the main menu, allows you to
operate and maintain your printer.
Filament: this menu allows you to manage the fila-
ments of the printer. The menu functions are:
–Load: This is for loading filament into one of
the extruders. You should first select the side where
you want to load the filament. Next, you should insert
the filament into the extruder following the onscreen
instructions (the extruder should first reach the right
temperature, which may take a few minutes). Once you
have inserted the filament the extruder can be adjusted
slightly to allow you to load the rest of the filament.
When purging we recommend you pull out a generous
amount of filament to ensure the extruder is purged
correctly.
PLA, ABS and PVA presets are offered, but it’s possible
to load different materials. Just select “Custom” and set
the 4 temperatures demanded. The “Load Temperature”
is recommended to be 10ºC higher than the Printing
Temperature. The “Unload Temperature” is recom-
mended to be 30ºC below the Printing Temperature.
Follow the manufacturer indications to set the “Printing
Temperature” and the “Bed Temperature”.
–Unload: This operation is the opposite of the
operation described above, although it is performed
in a similar way. After you have selected which side
you want to remove the filament from, wait until the
hot-end has reached the right temperature and then
remove the filament.
–Purge: This menu allows you to control the
temperature of the two hot-ends, and extract or
dislodge clogged filament. In order to be able to move
the filament, the temperature difference between the
objective temperature (under the thermometer) and the
actual temperature (under the extruder icon) should be
less than 10º C.
30 User Manual
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