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Pretty awesome stuff. That’s what I think of additive/subtractive 3d printing. Being able to put material where you want and machine in one setup is pretty amazing.
The materials used are still stupendously expensive. It is getting cheaper as supply grows, but its still WAY more expensive than other processes with rare exception. Right now the biggest exception I'm aware of is Titanium. For some specific parts in the aviation industry it is cheaper for manufacturers to build additively than start with some kind of stock or forging and machine.Beside the initial investment it has to be the most efficient and cheapest machining process out there?
It depends on the printing process, but in general I'd say straight out of the printer most additive parts will have inferior fatigue properties. They're also anisotropic in their mechanical performance, meaning they behave differently along different axes.How well do 3D printed metal Parts hold up to multiple high heat Cycles? Do they have a chance of cracking or splitting?
Where is the filler metal coming from?
in the video at about 0:43 we see a close-up of what looks like a welding nozzle and arc.
Is the filler material coming thru the nozzle as powder?
If so, how is it pumped and delivered?
What differences are there in the different materials, SS, Cu, Al?
(ie. ranges of currents, ranges of material flow, "switching" of feed pipes, what else?)
What printer do you have?I gotta upgrade to the dual-extruder on my 3D-printer.
What printer do you have?