Additive Manufacturing Ecosystem - naefrontiers
Transcript of Additive Manufacturing Ecosystem - naefrontiers
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TRANSPORTATION OIL & GAS AUTOMOTIVEAVIATIONPOWER MEDICALHEALTHCARE
Additive Manufacturing Ecosystem
Luana Iorio, Ph.DApril 1, 2017
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Additive Manufacturing … a 4 step process
Digital design Digital slicing Layer-wise manufacturing Final part
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Direct Metal Laser Melting (DMLM)
Powder
Collection
Chamber
Dispenser
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Transformational Power of AdditiveThe Additive Advantage
Expands What is Possible … opens up new design capability to optimize part & system designs in a way we cannot with traditional manufacturing processes
Improves Quality … eliminates design trade offs; reduced cycle times, digital v. analog control, reduced braze/weld/rivet/bolted joints
Simplifies Systems… more robust designs, reduced part counts and assemblies; shortened supply chains
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Capabilities of full production35,000 – 40,000 per year
PARTS
DURABLEMORE
WEIGHT
LEAP is a trademark of CFM International, a 50/50 JV between GE and Safran Aircraft Engines
It started with 1 part …
25%
20 1
5x
REDUCTION
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Sumps, bearing housings, frames, exhaust case, combustor liner, heat exchangers C-Sump
55% of major structures additively manufactured ATP engine for new Cessna aircraft - Denali
Each major component eliminates many sub-parts
PART WEIGHT25%
REDUCTIONPARTS
50 1PARTS
ENGINE WEIGHT5%
REDUCTIONFUEL BURN1%
REDUCTION
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and now we’re building an engine ...
the Advanced Turboprop engine (ATP)
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Acetabular Cup
Trabecular Structure
Tailored and bespoke designs
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Additive Adoption Barriers & Opportunities
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Immature design-for-additive tools
Limited materials base
Uncertain material properties
Machine size and speed limitations
Post-processing complexity
Part qualification, evolving industry standards
Topology optimization & analysis tools
Materials development
Process modeling
In-process monitoring
Rapid qualification techniques
Scaling machine capability – machine design, laser technologies, control systems
Non-destructive evaluation techniques
Barrier Technical Opportunity
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Inco 718
Inco 625
SS 316L
17-4 PH
SS 15-5
MS-1
Bronze AlSi10Mg
6061 T6
CoCr Hast X
Ti 6242 Ti 64
W
TiAl
A205
F357
HS188
Rene 80
Rapidly Expanding Materials Capability
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Co-28Cr-6Mo
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DMLS - V DMLS - H WroughtLow
WroughtHigh
YS (ksi) "UTS (ksi)"
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DMLS - V DMLS - H Wrought Low WroughtHigh
Elongation (%) "Hardness (HRC)"
ASTM
ASTM
ASTM
ASTM
DMLM - V DMLM - H
DMLM - V DMLM - H
Understanding Structure-Property Relationships
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Additive Manufacturing Development Process100+ Material & Machine Parameters
Powder Specification• Powder Source• Powder Size• Powder Composition• Reuse Procedures
Laser Parameters• Spot Size• Laser Power• Laser Travel Speed• Laser Dwell Time
Thermal Processes• HIP Cycle Parameters
• Heat Treat Atmosphere
• Braze HT Parameters
• Solution Temperature
Recoat Parameters• Layer Thickness• Recoater Arm Design
Build Chamber• Build Atmosphere• Purge Gas• Airflow• Preheat Temp
Hatch Strategy• Contour Pass • Sky Writing• Line Spacing & Overlap
Calibration & Maintenance• Preventative Maintenance• Pre-build Calibration• Factory Environment Controls
Post Processing• Mechanical Finishing
• Thermal Exposures
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Supply Chain Shift In Progress
© 2015 General Electric Company - All rights reserved
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Building the next generation workforce
$2 million for 3D-printing equipment and curriculum
Focus on STEM/STEAM programs
$8 million for metal additive manufacturing equipment
Focus on additive learning efforts
Primary and secondary schools Two- and four-year colleges and universities
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Supporting Industry InitiativesSome of the opportunities …
Specifications Industry Groups
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EASA Additive Manufacturing Workshop | 29 September 2016 GE AVIATION 15
GE Aviation Additive Technology Center