Overview

This project conducts a cost benefit analysis to systematically examine the relative strengths and weaknesses of the current method of obtaining original equipment manufacturer (OEM) parts by the Marine Corps versus additive manufacturing alternatives. These alternatives include the established method of Extrusion and the emerging technology of continuous liquid interface production (CLIP). The findings from the cost benefit analysis show a cost advantage for additive manufacturing at the production level with a substantial edge given to CLIP in three of four scenarios examined. Based on our methodology and findings, we recommend that the Marine Corps build a data repository of (blockchained) printable files as quickly as accuracy allows. Once complete, the Marine Corps can continue to use the Fortus 250mc and other previously purchased models. When the repository outgrows the capability of the Fortus machines, it can move to Carbon 3D or a similar technology and expand the capability across the Marine Corps. I. INTRODUCTION * A. OBJECTIVES * B. IMPACT * C. METHOD * D. ORGANIZATION OF STUDY * II. BACKGROUND * A. INTRODUCTION TO ADDITIVE MANUFACTURING * B. TYPES OF ADDITIVE MANUFACTURING * 1. Material Extrusion * 2. Material Jetting * 3. Binder Jetting * 4. Sheet Lamination * 5. Vat Photopolymerization * 6. Powder Bed Fusion * 7. Directed Energy Deposition * C. CURRENT EVENTS * 1. Spine Mentor Simulator * 2. Mouse Uterus * 3. Adidas Leverages CLIP * 4. GE Propels 3D Printing Forward * D. ADDITIVE MANUFACTURING WITHIN THE MARINE CORPS * 1. Marine Administrative Message 489/16 * 2. Marine Corps Historical Perspective * 3. Marine Corps Installations and Logistics Command and Marine Corps Systems Command * 4. 1st Maintenance Battalion * III. LITERATURE REVIEW * A. INTRODUCTION * B. STATE OF THE INDUSTRY * 1. Wohlers Report * 2. Current Technologies * 3. Governmental Guidance on Intellectual Property * C. STATE OF ADDITIVE MANUFACTURING IN THE DOD * 1. DOD Additive Manufacturing Call to Action * 2. DOD-Specific Technology * 3. DOD Challenges Associated with Additive Manufacturing * D. STATE OF ADDITIVE MANUFACTURING IN THE MARINE CORPS * 1. Marine Corps Call to Action * 2. EXMAN Trailer * 3. Future of AM in the Marine Corps * E. CONCLUSION * IV. METHODOLOGY * A. INTRODUCTION * B. COST-BENEFIT ANALYSIS METHODOLOGY * C. TECHNICAL DATA * D. VALUATION / MONETIZATION OF TIME * 1. Valuation 1 (Rejected) * 2. Valuation 2 (Rejected) * 3. Valuation 3 (Preferred Method) * 4. Valuation 4 (Less Preferred Method) * V. COST-BENEFIT ANALYSIS * A. INTRODUCTION * B. COST BENEFIT ANALYSIS * 1. Baseline Analysis * 2. Sensitivity of Results to Valuation of Time * 3. Sensitivity of Results to Estimated Days Deadlined * 4. Sensitivity of Results to Initial Investment * 5. Summary of Cost Benefit Analysis Findings * VI. CONCLUSION * A. RESEARCH INTENT * B. SUMMARY OF ANALYSIS * C. RECOMMENDATIONS * 1. Recommendation Number One (Data Repository) * 2. Recommendation Number Two (Continue to Utilize Fortus 250mc) * 3. Recommendation Number Three (Switch to CLIP and Expand Capabilities) * D. AREAS FOR FURTHER RESEARCH

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