Posted by Bob M on January 19, 2015 at 14:42:54 from (67.240.163.172):
In Reply to: 3D printing posted by David G on January 19, 2015 at 08:56:32:
There are several 3D printing processes that will "print" metal parts: selective laser melting, direct laser melting and electron beam melting, all which use powdered metals. There is also electron beam wire melting which "prints" using very fine (~0.002") metal wire.
The downside to the process right now is COST. The price of a 3D metal printer can easily into 6 figures. Further the raw material (finely powdered metals, etc) are not cheap.
Also current production rates are very slow. It's OK for prototyping and creating "one of" parts. But it can be prohibitive even for low volume production.
The good news is we can expect cost to fall and production rates to improve as the technology evolves.
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