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The Water Cooler
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Printed AR-15
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<blockquote data-quote="rhodesbe" data-source="post: 2016066" data-attributes="member: 2415"><p>Consider for a minute Smith & Wesson's selective use of 'metal injection molding (MIM)' to produce components of the hammer/trigger lock mechanisms. See: <a href="http://smith-wessonforum.com/s-w-revolvers-1980-present/219641-use-mim-parts-s-ws-explanation.html" target="_blank">http://smith-wessonforum.com/s-w-revolvers-1980-present/219641-use-mim-parts-s-ws-explanation.html</a></p><p></p><p>As a process, MIM has been around much longer than 3D printing (WWIIera Kraut R&D), and uses a slurry of resin and metallic powders (eg: no exotic base metallurgies) and the end result: this forum is filled with 'anti-lock enthusiasts' and stories of those MIM revolver parts failing at just the wrong time.</p><p></p><p>3D printing is even further down the path of fringe production. It's a neat idea, but don't get too wound up about it yet. Lots of development and research on the materials end of things before it is a viable option for 'cottage production' models.</p></blockquote><p></p>
[QUOTE="rhodesbe, post: 2016066, member: 2415"] Consider for a minute Smith & Wesson's selective use of 'metal injection molding (MIM)' to produce components of the hammer/trigger lock mechanisms. See: [url]http://smith-wessonforum.com/s-w-revolvers-1980-present/219641-use-mim-parts-s-ws-explanation.html[/url] As a process, MIM has been around much longer than 3D printing (WWIIera Kraut R&D), and uses a slurry of resin and metallic powders (eg: no exotic base metallurgies) and the end result: this forum is filled with 'anti-lock enthusiasts' and stories of those MIM revolver parts failing at just the wrong time. 3D printing is even further down the path of fringe production. It's a neat idea, but don't get too wound up about it yet. Lots of development and research on the materials end of things before it is a viable option for 'cottage production' models. [/QUOTE]
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