LMI Research Institute: Additive Manufacturing and the DoD ... · LMI Research Institute: Additive...
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LMI Research Institute:
Additive Manufacturing and the DoD Supply Chain
April 30, 2014
Manager, LMI Research Institute Consultant, LMI Logistics Analysis Group
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Contents
• Background • Additive Manufacturing and the DoD Supply Chain • Next Steps
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Background
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What is Additive Manufacturing (AM)?
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Modern Deployable AM
• Rapid Equipping Force’s (REF) Expeditionary Lab – Mobile – Housed in standard 20ft shipping
container – Included polymer 3D printer & CNC
milling machine – Not meant to replace parts, but to
develop new parts
www.army.mil
www.core77.com
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Previous PSMC Discussions on AM
• Oct 2012 – Direct Digital Manufacturing
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The considerations presented in 2012 are even more relevant today.
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Additive Manufacturing and the DoD Supply Chain
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Overview of DoD Supply Chain
• Supports multiple missions on a global scale • Involves building inventories customers can draw on
when needed • Fiscal Year 2012 supply chain figures
– Approximately 4.7 million parts1
– $95 billion worth of secondary items in inventory1
– $370 million in storage at Defense Logistics Agency (DLA) warehouses2
– Variable customer wait times of days, weeks, or months • Over 400,000 field level requests filled in range of 53 to 433 days1
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1https://scitools.lmi.org/Default.aspx 2DoD Comprehensive Inventory Management Improvement Plan FY12
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Potential Implications of AM on the DoD Supply Chain
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Manufacturing Distribution Customer
Design Information & Raw Materials
Manufacturing at Customer Location
Conventional Supply Chain
Forward AM Supply Chain
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AM Advantages & Disadvantages
Advantages Smaller logistics footprint Lower total cost Shorter build times for certain parts Higher parts accuracy Greater range of parts
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Disadvantages Greater need for process qualification Need to establish quality control procedures Smaller lot sizes Greater need for technical data formatted for CAM Requires additional training
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Next Steps
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Next Steps
• Evaluating decision-making tool for deployable AM that we created with VA Tech
• Creating more robust decision process to evaluate AM for reparables
• Considering standardization issues – Technical data – Materials – Process qualification – Quality control/assurance
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Additive manufacturing will disrupt supply chains.
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Contact Information
Manager, LMI Research Institute (703) 917-7174 Consultant, LMI (703) 917-7369
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