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Drawing vanes on inlet port

Drawing vanes on inlet port

Drawing vanes on inlet port

(OP)
Hi guys,

I'm currently trying to put vanes on the inside of an inlet port of an engine. I received the CAD file from the factory and its in a parasolid format. Originally I wanted to put a hyperbolic curve on the inlet port to increase the airflow and create a better mixture in the cylinder. I plan to flow the head before and after and analyse the differences for my project. My problems lay when I am trying to create a vane to make the air flow in a spiral motion, I have manage to use curve on a surface but I ca only get a single line, if I offset it to create another to use sweep then the offset dissapears into the solid sopping me from creating a vane. Let me know if you need any more info. Any help would be hugely appreciated. I am on NX9. Harry

RE: Drawing vanes on inlet port

I think we need more info to help here.
Can you either create a simple, symbolic model and upload or extract the critical faces from your real model and upload ?

Regards,
Tomas

RE: Drawing vanes on inlet port

(OP)
By that do you mean creating a block through the inlet ports and then subtracting them away, then doing it again to create an identical file?

Thanks
Harry

RE: Drawing vanes on inlet port

Yes/no, what i am trying to say is, "Can you upload an example which doesn't reveal any of your secret data".
I.e an example which isn't necessary identical with the real model but allows us understand how and what you want to accomplish.
one option to do this, provided the shape of the inlet port isn't the secrect stuff, is to use "extract face" ( which creates sheet-copies of the selected faces) , export these copied sheets to a separate partfile and upload here. ( along with some curves explaining the vane-s)

Regards,
Tomas


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