machinistrrt
Stainless
- Joined
- Aug 15, 2008
- Location
- near Cleveland
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Just wondering if I might should start selling some of my CNCs , and start getting into 3D printing , this is a serious & scary thought to me !
I just want to know if/when they start using these components in an actual commercial vehicle. At that time I will resort back to driving! :-)It's neat but that's about it. Material properties aren't going to be acceptable for any real use.
"That internet thing is just a fad, It'll never amount to anything" . . Just sayin'It's neat but that's about it. Material properties aren't going to be acceptable for any real use.
"That internet thing is just a fad, It'll never amount to anything" . . Just sayin'
"That internet thing is just a fad, It'll never amount to anything" . . Just sayin'
Nah, He's correct. You have GE and guys not only forging turbine blades to get the grain flow right but playing with single crystal structure and stuff- you just can't get that out of a powder / weld / hot sinter combo.
The engine chamber on SpaceX's new rocket is 3d printed in Inconel. So perhaps usable jet engines in the near future isn't too crazy an idea.
The turbine blades that I have seen are typically near net forgings from Inconel or similar alloys that have multi-tiered root interface structures to withstand the massive forces generated by being spun at many tens of thousands of revs at elevated temperatures, a rocket cone is not quite up to the same level of stress or precision. I have seen fairly powerful rocket nozzles carved out of a block of graphite with a spoon. I think 3D printing still has a pretty good way to go before it is a replacement for most of the higher end metal working technologies. That said, I also believe it is still under-utilized in many fields and could mature quite rapidly for lower strength and accuracy parts.
If printers can be made to print atom by atom, the printed part will be superior to anything we can do now. Some of the chip foundries are almost there now.
Tom
If printers can be made to print atom by atom, the printed part will be superior to anything we can do now. Some of the chip foundries are almost there now.
Tom
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