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ADMATEC EUROPE BV
3D Printing Materials Conference
Jaco Saurwalt Director ECN Environment & Energy Engineering Co-founder Admatec
Michiel de Bruijcker Managing Director Admatec
Additive Manufacturing of Ceramics
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›› Introduction
›› Founded in November 2013 ›› Spin-off from Formatec Ceramics ›› 5 employees ›› Ambitious technology roadmap
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›› Introduction Admatec delivers printed components produced by Additive Manufacturing technologies. Components should be 100% functional with great mechanical properties and low surface roughness. Admatec aims to operate with in in-house developed technology in order to guarantee innovations and total independency .
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›› Introduction
Shareholders
ECN Formatec
Budget 2014
Revenues
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›› Market attention
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blending
compaction
sintering
• Particle size, distribution, shape
• Impurities • Homogeneity • Stability • Strength green product • Sintering dopes • Sintering ambient, Temp • Density / porosity • Strength • Hardness • De-gassing
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›› Powder Metallurgy (PM) basic process
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›› ADMAFLEX TECHNOLOGY
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›› Advantage Powder Metallurgy
›› Free Shaping, avoid machining
›› Isotropic properties and microstructure
›› Ultra high purity materials
›› Flexibility by unique alloying/doping
›› Less energy consumption, less loss of material, less process
steps
›› Disadvantage Powder Metallurgy
›› Sintering step
›› Shrinkage
›› Deformation / Creep during sintering
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›› Technology
Material Recipe development
Machine Concept, Construction, Realisation Software
Process
Qualification, Validation, Characterisation
In-house development
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›› ADMAFLEX TECHNOLOGY
Resolution µm 40
Layer thickness µm 25 100
Speed mm/h 4 – 5 >10
Size building platform mm 80 x 80 x 150
Materials - Alumina oxide / Zircon oxide
Density % >98%
The ADMAFLEX technology delivers complete dense microstructures with low surface roughness's. Similar material properties as products shaped by traditional technologies.
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›› Admatec & market
Test & prototype
Alternative to grinding
Alternative to injection moulding
Design requires additive manufacturing
Based on paying customers
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›› Application: Endoscopy
Need for more complex ceramic parts
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›› Application: Endoscopy
Request for printing study:
1, 5, 10 pcs Details of 0.3 mm Pull force of 4N on bridge
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›› Application: Endoscopy
Cross section of the request part in the final assembly
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›› Re-design to enable additive manufacturing
Fixing the ‘floating ’ axes. - Support structure - Adding a radius
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›› Application: Endoscopy
Determination of print direction
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›› Application: Endoscopy
First print results
Additional radius Missing hole
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›› Application: Endoscopy
Final print results
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›› Application: Endoscopy
The business case: Pieces per printing 48 (can be optimized) Printing time < 1hr Breakeven point with injection moulding is beyond 15.000pcs per year. Small and high complex parts pushes the injection moulding technology. Printing will be a production technology in these cases.
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›› Application: Filter
H = 54.2 mm Ø = 42.57 mm. Split opening of 0.2 mm Can you print discs?
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›› Application: Filter
Engineering a full ceramic filter, demonstrating the customer what the full possibilities of printing ceramics are.
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›› Application: Filter
Printing results
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›› Application: Endoscopy
The business case: Added value by printing functional integrated filter element. Elimination of assembly parts. Breakeven point unknown also because parts are not to be produced with any other techniques.
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›› Conclusion
Printed ceramic parts find its way to new ceramic components and rapidly defines new borders for production solutions.
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›› Technology roadmap
2014 2015 2016+
Ceramics ZrO (black) SiC/SiSiC Si3N4
Sizes [mm] 300 x 300 750 x 750
Metals 316L Ti W Mo
Low surface roughness, high density, high accuracy
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First results:
Printed body of several hundreds of layers
›› Microstructure of printer 316L stainless steel
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