To avoid potential residual risks the user should read and understand the following safety measures (you are
strongly advised to read this before using the machine).
To highlight the areas where extra care should be taken, safety alert stickers have been affixed to the relevant parts
of the machine to warn the user of potential hazards.
Any modifications made to the machine without the manufacturer´s approval will invalidate the product´s
Declaration of Conformity (CE) and warranty.
Consequently, the Fundació CIM and BCN3D Technologies ARE EXEMPT FROM ANY LIABILITY IF THE USER DOES
NOT FOLLOW THE INSTRUCTIONS FOR USE:
IDEX / FFF technology
Safety
The Sigma R19 is a 3D printer which uses
fused filament fabrication (FFF) technology,
which manufactures objects by depositing
molten material in a series of layers. Objects
are created using a digital model of the object,
which is sliced into thin layers. When printing
the extruder print head moves along the axis
to deposit the material for one layer at a time,
before moving slightly upwards to begin printing
a new layer. This process is repeated until the
object has been completed.
Since FFF technology requires deposite material on top of plastic previously
extruded, certain complex geometries with overhangs require additional support
structures to be successfully printed. However, printing supports with the same
material of the model can result in many post-processing problems.
The Independent Dual Extruder System (IDEX) is BCN3D’s unique approach to avoid this issue and also offers a
bunch of new key features. The two extruders are controlled independently, so that when one extruder is not being
used it can be kept away from the printing area to prevent the plastic from oozing onto the object and spoiling the
final result.
Having two independent extruders offer the user the ability to print, not only with soluble supports, but also multi-
material objects, print in two different colors or even combine different nozzle sizes to get more resistant parts or
cut down the printing process.
10 User Manual
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