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Published byBenjamin Waters Modified over 9 years ago
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‘The process of joining materials to make objects from 3D model data. Usually layer upon layer as opposed to subtractive methodologies.’ 1 Additive Manufacturing Update | August 2013 Additive Manufacturing
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History of Additive Manufacturing 2 1987 1991 1994 1996 2000 2001 2006 2007 2009 2010 2012 Z Printer breaks the $40K Barrier Multiple Advances in materials and machines F42 Committee Standard Shapeways Breaks Ground In New York Stratasys & Objet Merge Stereolithography Is introduced Low-cost Printers Introduced Introduction Of Non-SLA Machines New Systems Introduced New Technologies Introduced Materials & Process Improvements
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Machines Personal Cube Makerbot Professional uPrint SE Plus Objet30 Pro Production Connex 260/500 Fortus 360/400/900 EOS M280 3
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Materials Plastics Thermoplastics –acrylonitrile butadiene styrene (ABS), nylon (polyamide) (PA), polycarbonate (PC), polylactic acid* (PLA), polycaprolactone* (PCL), as well as ABS/PC and other polymer blends Thermosets – not commonly used because these can damage instrument 4
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Additive Manufacturing – Lattice Structure 5
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Fused Deposition Modelling FDM Pros: Relatively strong materials Make complex geometries Material cost is reasonable Cons: Poor surface finish (solvent wash) Little material variety 6
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