MIT, 2013. β 19 p.
Contents:Making news recently
What is Additive Manufacturing?
References
Fused deposition modeling (FDM)
Pinwheel made by FDM (Fall 2002)
The consumer market is responsible for the hype, and huge potential?
Industry drivers
Common AM methods / classification
FDM physics: extrusion
The extruder (Stratasys Dimension)
FDM part mechanical properties
Stereolithography (SLA)
SLA skull prototype
Part comparison: FDM vs. SLA
A sphere made on the Form1: post-print curing
Tolerances: where is FDM, SLA?
Surface roughness: where is FDM, SLA?
Micro-SLA (in some cases known as two-photon polymerization)
F1 car 0.285 mm long!
3D printing (as it was named)
Example 3D printed parts (quality?)
Powder 3D printing (Z-Corp)
Selective laser sintering (SLS)
SLS β metal parts
Sintering mechanism
Infiltration after sintering
Dyson SLA/SLS prototyping
Simultaneous deposition and fusion
LENS nozzle designs
Unifying attributes of AM methods?
Cost versus throughput (volume)
Real applications and markets
Invisalign
Invisalign process (as of Kalpakjian)
Short run injection molding
Aircraft parts
Individual design
and who cares WHERE or HOW my part is made?
Proposed organ printing method
Critical enablers of continued growth
Standard Terminology for Additive Manufacturing Technologies