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Sirris 2016 04-12 coating of 3-d printed parts_ddm

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Using a teach by demonstration robot to coat 3D printed objects
Opening new wet chemical lab @ Sirris Smart Coating Application Lab - 2016-04-12

Publié dans : Technologie
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Sirris 2016 04-12 coating of 3-d printed parts_ddm

  1. 1. Coating of 3D printed parts
  2. 2. About Tenco DDM  Founded in 2012 as a prototyping and 3D print service provider with a profound knowledge of coatings and plastic processing  Basis: profound knowledge & expertise in high-end prototyping and finishing (coating) techniques for optical products and finished models  Location: creative hotspot of C-Mine in Genk (B)
  3. 3. Mission and vision  Our mission: co-create high-end (prototyping) solutions with our customers, mainly based on additive manufacturing (3D printing) and innovative finishing techniques  Our vision:  One stop shop from idea … through design & prototype … to (high volume) serial production  Personal tailormade service guaranteed by small-scale business  Extra innovative asset by unique combination of high precision processing and finishing techniques
  4. 4. What we offer our customers  CAD service & product development  Engineering for AM  AM technologies - SLA / DLP / 3SP (Multiple materials) - FDM (CF reinforced PLA) - SLS (PA, Alumide, PA-GF, PEBA, Carbomide)  Finishing - Painting high-gloss, soft touch, anti-reflection (non transparent), … - Graphical applications - Mirror finishing (silver, gold, copper, …) - Technical coatings (Hardcoat, Shielding (EMC), bio compatible, …) - Coating technology (Spray coating, DIP coating, FLOW coating, Vacuum coating)  Assemblies & Manufacturing services  Tooling development and production  Large volume production (injection moulding, casting, …)
  5. 5. AM makes it all possible …  Interesting for low volumes  Design freedom (combined parts, hollow parts, integrated functionalities)  Each technology has limited material combinations (not to mention colors)  Post processing needed …  … which makes it expensive!  Limited material knowledge for plastic processing  Right selection of technology, materials and processing = vital
  6. 6. AM technologies - SLS  SLS (Selective laser sintering)  PA  Alumide  PA/GF  PEBA  Carbomite*  PEEK*
  7. 7. AM technologies - SLS  Surface quality rather poor  Thorough post processing needed  Smooth  Air- & liquid tight  Color
  8. 8. AM technologies - SLS  PA printed parts are rough, porous, difficult adhesion  Post processing  surface quality  Blasting  Tumbling / sanding  coating  chemical surface etching  impregnation  technical coating
  9. 9. AM technologies - SLA  SLA / DLP / 3SP / CLIP / … (resin based printing)  Acrylic based resins  Polyester based resins
  10. 10. AM technologies - SLA  Good to perfect surface quality  Different post processing needed  Removal of supports  Air- & liquid tight parts  Uniform Color  rather fragile
  11. 11. AM technologies - SLS  Resin printed parts are (more) smooth, tight and (mostly) have easy adhesion  Post processing  surface quality  Sanding  Blasting  coating  chemical surface etching  technical coating  finishing
  12. 12. AM technologies - FDM  FDM (Fused Deposition Modeling)  ABS filament  PLA  PPSU / Ultem  … (known materials)
  13. 13. AM technologies - FDM  Very poor surface quality  Heavy post processing needed  Removal of supports  Air- & liquid tight parts  Rough surface  Strong(er)
  14. 14. AM technologies - FDM  FDM printed parts are rough, low detail level, made out of known material  Post processing  surface quality  Sanding  (chemical) polishing  coating  chemical surface etching  technical coating
  15. 15. AM – Coating threats  Industrial level coatings and solutions needed  Industry has little intrest because of low volume production  Adhesion problems due to material caracteristics  Compatibility of products  Application technique (low scale compatible – Spray, flow, dip, CVD, PVD, …)  Coating certification valid on 3D printed parts?  …  Knowledge through experience and testing (ISO/DIN testing EN2409, …)
  16. 16. AM – Case studies  Prototype cover  SLA printed (fragile!)  Sanding  Chemical etching  Copper plating
  17. 17. AM – Case studies  Exhibition model  DLP printed (Acrylic resin)  Sanding  Chemical etching  Primer  Painting  Finishing  Assembly
  18. 18. AM – Case studies  Design verification model  DLP printed (Acrylic resin)  Removal of supports  Mechanical polishing  Chemical polishing
  19. 19. AM – Case studies Mechanical & optical polishing
  20. 20. AM – Case studies  Serial sensor module (2 part housing, illuminated logo, optical lens)  Product design & development  Housing - DLP printing (rubber-like acrylic) - Removal of supports - Sanding - Chemical etching - Spray painting - EMC shielding  Optical Lens - DLP printing (Clear resin) - Removal of supports - Mechanical polishing - Chemical polishing of shaft
  21. 21. AM – Case studies  Microfluidic chip  3D printing in Class VI biocompatible resin  Mechanical polishing  Chemical polishing  Mounting of glass
  22. 22. AM – Case studies  Functional prototype in Silicone Rubber  DLP printed mould (Acrylic resin)  Coating of mould surface (smooth)  Casting of silicone rubber
  23. 23. Our coordinates  Tenco DDM Houtparklaan 1 bus 11 3600 Genk Belgium  www.tenco-ddm.be info@tenco-ddm.be

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