B.D.Smither wrote:
> was wondering if
> anyone could tell me whether or not the following processes still
> exist.
> 3D Printing
Very much so ... at least four licensees so far: Soligen for
investment casting, Z Corp. for office fabbing, Therix for medical
applications, and Extrude Hone for direct metals (I think).
> Photochemical Machining
This term was sometimes used to refer to 2-beam laser curing (which
has not gone very far, so far), but is more generally used for a 2-D
process in which shapes are eroded by acid from a metal plate with a mask
to block regions not be affected.
> Optical Fabrication
I think this has sometimes been used to refer to Efrim Fudim's
masked-lamp-curing method, also called "Light Sculpting" or "DesCAF."
There have been several attempts at commercialization, but it hasn't yet
gotten off the ground.
> Solid Base Curing
Yep. This is Cubital's process. Struggling but still alive, as far as
I know.
> Masking and Deposition Technology
Your probably referring to the Carnegie Mellon/Stanford "MD*" process
here. "MD*" stands for "mask-deposit-repeat." Still under laboratory
development.
> Shape Melting
This is one of the names used for what I've called "3-D welding" in
the past. It's been worked on in several places, most notably U of
Nottingham, but is yet to emerge from the lab.
I hope this helps.
Best Regards,
Marshall Burns
marshall@ennex.com
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