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The largest trusted community of design engineering professionals
Sponsored by:
Rapid Prototyping Advances with Inkjet-Based 3D Printing
Day 1: Comparison of Inkjet-Based vs Other 3DP Methods
Lecturer: Mychal Anderson, Applications Engineer Stratasys Direct Manufacturing
The largest trusted community of design engineering professionals
Sponsored by:
Previously Solid Concepts,
RedEye and Harvest
Technologies• 8 U.S. manufacturing facilities• 12 primary technologies• 600+ employees• Certifications: ISO 9001,
AS9100• ITAR registered
Stratasys Direct ManufacturingStratasys Direct Manufacturing is one of the largest providers of additive and conventional manufacturing solutions:
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The largest trusted community of design engineering professionals
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Stratasys Direct Manufacturing
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The largest trusted community of design engineering professionals
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How it Works• Photocurable resin• Very fine layer lines/
resolution• 0.00063” resolution on Z axis
• Minimum feature size is
around 0.012”• 0.060” minimum thickness for
some designs/ materials
Inkjet-Based 3D Printing
Model Material
Instant UV CuringSupport Material
Printing Head
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Additive Manufacturing Technologies
End-Use Part Production Material deposition (Fused
Deposition Modeling) Laser Sintering Metal Powder Bed Fusion
(DMLS, EBM)
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FDM utilizes heated thermoplastic filaments in a semi-liquid state and extrudes those filaments in computer determined designs one layer at a time. FDM has one of the larger
build platforms or any 3D print technology at 36” x 24” x 36”
Fused Deposition Modeling (FDM)
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Powdered nylon compositions – filled or unfilled – are heated and fused together layer by layer to create lightweight, durable designs.
Laser Sintering (LS)
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Metal and metal alloys in powder form are sintered – heated and fused – together in a process akin to a very fine, precise welding to create durable, highly complex fully dense metal parts which would be impossible to achieve through conventional manufacturing.
Metal Powder Bed FusionDirect Metal Laser Sintering (DMLS)
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Intricate, accurate parts Digital materials with
customized properties High resolution master
patterns and concept models
Inkjet-Based Applications
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Inkjet-Based vs. Vat Photopolymerization
Vat Photopolymerization Ideal for investment cast
patterns (alternative to wax models)
Large models
Inkjet-based Printing Elastomeric and rigid
materials Simulate rubber Articulate soft-touch or
flexible materials Small models
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Inkjet-Based vs. Vat Photopolymerization:Mechanical Properties
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Inkjet-based vs Vat Photopolymerization: Materials
Left bar = Experimental valuesRight bar = Datasheet values
NOTE: Greenfire parts require a thickness of at least 0.060” to achieve full mechanical properties
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The largest trusted community of design engineering professionals
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InkJet vs. Vat Photopolymerization: Materials
Left bar = Experimental valuesRight bar = Datasheet values
NOTE: Greenfire parts require a thickness of at least 0.060” to achieve full mechanical properties
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The largest trusted community of design engineering professionals
Sponsored by:
InkJet vs. Vat Photopolymerization: Materials
Left bar = Experimental valuesRight bar = Datasheet values
NOTE: Greenfire parts require a thickness of at least 0.060” to achieve full mechanical properties
The flexural strength represents the highest stress experiencedwithin the material at its moment of rupture
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Inkjet-Based vs. Vat Photopolymerization:Surface Details
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Inkjet vs. Vat Photopolymerization: Surface Details
Demon Head80MB File4” x 3.7” x 2”
Vat Photopolymerization ModelSomos NeXtLayer Thickness = 0.005”
InkJet-Based Printing ModelVeroBlueLayer Thickness = 0.0006”(PolyJet-HD)
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The largest trusted community of design engineering professionals
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Inkjet-Based vs Vat Photopolymerization: Surface Details
Vat PhotopolymerizationLayer Thickness = 0.005”
Inkjet-Based PrintingLayer Thickness = 0.0006”
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Inkjet vs. Vat Photopolymerization: Surface Details
Inkjet-Based Printing DetailLayer Thickness = 0.0006”
Vat Photopolymerization DetailLayer Thickness = 0.005
Sidewall Detail
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Inkjet-Based Applications
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The largest trusted community of design engineering professionals
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• Challenge: Doctors required patient skull models to better prepare for procedures
• Solution: PolyJet’s fine layers build extremely accurate models with smooth surfaces
• Results: Surgeons have in-depth knowledge of patient’s skull structure prior to performing operation
National University Hospital (NUH)
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Challenge: SF Opera House sought to
recreate their iconic chandelier as a
collectible item available in their gift shop.
Solution: Inkjet-Based printing with PolyJet
High Definition (HD) resulted in ideal,
highly detailed and accurate renderings of
the chandelier design. Jersey McDermott,
craftsperson with San Francisco Opera
Costume Shop, used the PolyJet HD prints
as master patterns to create detailed
cufflinks and necklaces.
Results: Stunning portrayals of the iconic
San Francisco Opera Chandelier which
guests can take home with them and
cherish.
San Francisco Opera Chandelier
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