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Introduction to Additive Manufacturing (AM 101) 8 December 2015 - PowerPoint PPT Presentation

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Introduction to Additive Manufacturing (AM 101) 8 December 2015 Caroline Scheck Naval Surface Warfare Center, Carderock Division Distribution A. Approved for public release: distribution unlimited What is Additive Manufacturing? vs.

  1. Introduction to Additive Manufacturing (AM 101) 8 December 2015 Caroline Scheck Naval Surface Warfare Center, Carderock Division Distribution A. Approved for public release: distribution unlimited

  2. What is Additive Manufacturing? vs. Subtractive Additive 2 Distribution A. Approved for public release: distribution unlimited

  3. What is Additive Manufacturing? Additive Manufacturing Origins of 3D Data The process of joining materials Direct CAD Model to make objects from digital data, usually layer upon layer Reverse Engineering • Original part • Scanning • CAD Model Credit: graphics.stanford.edu • STL file 3 Credit: cybertron.cg.tu-berlin.de Distribution A. Approved for public release: distribution unlimited

  4. Additive Manufacturing Methods Material Extrusion • Multiple materials • Layer thickness: • 0.01in to 0.160in Credit: www.stratasys.com Credit: www.3dprint.com Distribution A. Approved for public release: distribution unlimited

  5. Additive Manufacturing Methods Powder Bed Fusion • Metal and polymer • Layer thickness: • 0.001in - 0.004in Credits: Credit: www.3dprint.com NASA/MSFC/Emmett Credit: site.ge-energy.com Given 5 Distribution A. Approved for public release: distribution unlimited

  6. Powder Bed Fusion – Electron Beam Melting https://www.youtube.com/watch?v=M_qSnjKN7f8 6 6 Courtesy of ORNL and Arcam Distribution A. Approved for public release: distribution unlimited

  7. Additive Manufacturing Methods Binder Jetting • Multiple materials Credit: www.exone.com • Layer thickness: • .0035in Credit: www.ceramicindustry.com Material Jetting • Typically polymers • Layer thickness: • 0.0006in to 0.001 in 7 Distribution A. Approved for public release: distribution unlimited

  8. Additive Manufacturing Methods Sheet Lamination • Metal, paper, plastic • Layer thickness: • variable Credit: Mmrjf3 Credit: www.metal-am.com Credit: www.mcortechnologies.com Credit: www.fabrisonic.com Credit: www.automateddynamics.com 8 Distribution A. Approved for public release: distribution unlimited

  9. Additive Manufacturing Methods Directed Energy Deposition • Metal • Layer thickness: • Varies depending on feedstock material and settings chms.ucdavis.edu www.optomec.com www.optomec.com 9 Distribution A. Approved for public release: distribution unlimited

  10. Additive Manufacturing Methods Additive + Subtractive • Combines additive technology with CNC machining • Generally metal • Uses directed energy deposition (power or wire) AM processes • Can use laser for local heat treatment DMG MORI LASERTEC Direct Write Technology • Writing or printing passive or active electronic components directly from a CAD file • Conductive inks (silver, copper, etc.) are printed onto a substrate material Functional direct write structures from nScrypt 10 Distribution A. Approved for public release: distribution unlimited

  11. Additive Manufacturing Methods Vat Photo Polymerization • Typical cures with ultraviolet light • Layer thickness: • 0.001in to 0.006 in Credit: 3DSystems.com Credit: formlabs..com Credit: carbon3D.com 11 Distribution A. Approved for public release: distribution unlimited

  12. Navy Additive Manufacturing Applications Additive manufacturing is generally suited for applications that meet the following criteria: Examples • Low production volume • Complex part geometry • • Design iterations Exploratory designs Applications • Geometric fit-checks • Scale models Advantages • Working prototypes • Custom fixtures Rapid prototyping Rapid part turnaround • Injection molds • Trimming tools Shortened design time Custom trim tools Rapid tooling • In-house manufacturing Inexpensively obtain • Printed assemblies geometric complexity • Legacy part development Rapid manufacturing • Reduction in material waste Highly customized products • (sometimes) New designs • Limited tooling required Machining errors Repair Material Repair • Casting errors • Worn parts Reduced labor costs Substrate 12 Distribution A. Approved for public release: distribution unlimited

  13. Naval Additive Manufacturing Enterprise Service/Academia Other • Custom medical tooling ONR NAVAIR • Basic research Shipyards NAVSEA ONR • Cyber security Service/Academia Other • NAMTI • Basic research Puget Sound Naval Shipyard - WA • STEM outreach NUWC Keyport - WA Portsmouth Naval Shipyard – ME Shipyards NUWC Newport - RI • Rapid tooling and molds • Rapid prototyping Naval • Replacement part development Postgraduate School - CA NSWC Crane - IN NAWC China Lake - CA NSWC NAVAIR FRC East - Cherry Point - NC Port Hueneme - CA NSWC Corona- CA Marine Corps Albany - GA NAVAIR FRC Southwest - CA Kings Bay- GA NAWC Lakehurst - NJ Pearl Harbor Naval Shipyard – HI NSWC Panama City, FL NSWC Carderock – PA NAVAIR FRC South East JAX - FL Walter Reed National Medical Center - MD Naval Research Lab - MD NAVSEA NSWC Carderock – MD U.S. Naval Academy - MD NAVAIR Office of Naval Research - VA • Sand casting NAVAIR Patuxent River - • Rapid prototyping NSWC Indian Head - MD MD • Ship models NSWC Dahlgren - VA • Custom parts MCWL • Working prototypes • Rapid tooling • Rapid tooling CDSA Dam Neck - VA Norfolk Naval Shipyard - VA 13 Distribution A. Approved for public release: distribution unlimited

  14. NAVSEA 05 AM Capabilities AM Machines • Material Extrusion – All warfare centers and shipyards • Vat Polymerization – PSNS&IMF, Panama City, NSWCCD • Material Jetting – NSWCDD, CDSA, Crane • Binder Jetting – NNSY, NSWCCD, Keyport • PBF (Polymer) – NSWCDD, NSWCCD, Crane, Panama City, Keyport • PBF (Metal) – NSWCIH, NSWCDD, NSWCCD (Dec 2015), NSWC Crane Prevalent Materials • Polymers: ABS, Nylon, ULTEM, PLA • Metals: 316L, 17-4 PH steel, Ni Alloy 625 • Others: Sand Capabilities supporting implementation of AM AM Capability/Equipment Database • Materials Development • 3D Modeling and Analysis • 3D scanning and metrology • Advanced Nondestructive evaluation • Integrated Computational Modeling • Ship Motion Simulation 14 Distribution A. Approved for public release: distribution unlimited

  15. NAVSEA 05 AM Vision and Goals Establish the processes, specifications and standards for use of AM for ship acquisition, design, maintenance, and operational support. Collaborate and partner with other government activities, Fleet, industry, and academia to: • Build process, material, and design confidence in AM. • Ensure that AM ship and weapon system components are safe, reliable and effective for the intended application. • Expand the current use of AM for rapid design development, prototyping & tooling. • Employ AM in maintenance & repair. • Identify and forecast necessary S&T investments to provide enabling capabilities for the NAVSEA enterprise . Operationalize AM in support of the Fleet - where it makes sense. 15 Distribution A. Approved for public release: distribution unlimited

  16. NAVSEA 05 AM Vision and Goals • NAVSEA 05 has surveyed the warfare centers and shipyards to consolidate funded and proposed AM efforts onto one roadmap • Project mapping allows for determination of knowledge gaps in AM technology • Ensures no duplication of efforts • Research institutions can leverage projects throughout enterprise • Current research focused on development of metallic materials NAVSEA POC for AM: Justin M. Rettaliata, Ph.D. Acting Technical Warrant Holder for Additive Manufacturing justin.rettaliata@navy.mil 16 Distribution A. Approved for public release: distribution unlimited

  17. Questions?

  18. Additive Under Development https://www.youtube.com/watch?v=74BjdHDJeE0 18 18 Distribution A. Approved for public release: distribution unlimited

  20. USNS Comfort 20 Distribution A. Approved for public release: distribution unlimited

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