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> Cooling channels are built into it. How would you build cooling channels into something like this?
by avmich 8y ago
> Cooling channels are built into it.
How would you build cooling channels into something like this?
- ThenAsNow 8y agoConventional ways to do this include casting or, as is done on the RL-10 and SSME, building the nozzle out of thin-walled tubes (very labor-intensive and expensive). 3D printing is the future here, but there's still lots of improvement required in terms of wall thickness and roughness control, not to mention build volume.
- avmich 8y agoThe previous phrase was that the part is lost-wax cast. To me it's interesting how one can build cooling channels in the part which is cast.
- burfog 8y agoRolls Royce blade production: https://www.theengineer.co.uk/rolls-royce-single-crystal-turbine-blade/ https://www.theengineer.co.uk/rolls-royce-single-crystal-tur... Picture of blade and some process description: https://en.wikipedia.org/wiki/Turbine_blade https://en.wikipedia.org/wiki/Turbine_blade Picture of wax blade without cooling channels: https://en.wikipedia.org/wiki/Investment_casting https://en.wikipedia.org/wiki/Investment_casting Company that uses DLP 3D printing for turbine blades: https://www.prodways.com/en/lost-wax-casting-of-turbine-blades/ https://www.prodways.com/en/lost-wax-casting-of-turbine-blad...