WorksheetsMetal 3D Printing
Total questions: 10
Worksheet time: 5mins
What is the superior criteria of additive manufacturing (AM) or 3D printing compared to other conventional methods such as casting and injection molding?
Mass production
Simple design / geometry
Applicable to all materials (polymers, metals & ceramics)
Complex internal channels / lattice structures
What is the format file type that is commonly used for your 3D design?
SLT.file
STL.file
SLD.file
3D.file
Prior printing, it is important to simulate your 3D design to obtain the important information such as the recommended building orientation
True
False
Which of these is a laser powder bed fusion (LPBF) technique?
FDM
DMLS
ABS
SLS
These are the common metals in Selective Laser Melting (SLM), except..
SS316L
WC
Al6061
CoCr
These are the functions of support structure, except...
to use more metal powder
to aid in better heat dissipation
to support the printed parts
to prevent warping
These are the main processing parameters in Laser Powder Bed Fusion (LPBF), except...
Scan speed
Hatch distance
Substrate area
Layer height
You have learned about the volumetric energy density (VED). What is the unit?
msJ
mm2J
mm3J
mJ
Based on the Metal 3D Printing lecture, choose which processing parameter that may be the dominant parameter in LPBF. You may choose more than 1 answer
Laser power
Layer height
Hatching distance
Scan speed
Additive Manufacturing (AM) is a well known process of creating 3D objects, usually by _____
volume
area
layers
width
