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3-d printing and composites help?

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Old Aug 4, 2016 | 05:28 PM
  #16  
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Originally Posted by deylag
Its doable and the process would be something similar to this.

Have someone who is well versed with CAD make the 3D part. Then have them convert that 3D part into a 3D printing file format like .stl

Upload the part file to a 3D printing company website that can build it according to your dimensions.
I have used Shapeways and Sculpteo in the past but I think your overall part dimensions might not work. They will give you a selection of materials to choose from. Certain materials are way more expensive to 3D print than others.

Its possible to print the part in alumide and then use that for testing. Also after the part is printed you can make a mold of it and then make it out of a different material.
Thanks that's what I was looking for. Yes it will be a Cad design and will be a .stl file. What I'm trying to figure out is if anyone has experience with pricing of aluminum 3-d printing and has an idea of cost. For a little wing like I described would it be closer to $500 or $5000? The design is not yet finished but I'm trying to plan ahead how to build it for a price I can afford.
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Old Aug 4, 2016 | 05:39 PM
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Originally Posted by EVOlutionary
Thanks that's what I was looking for. Yes it will be a Cad design and will be a .stl file. What I'm trying to figure out is if anyone has experience with pricing of aluminum 3-d printing and has an idea of cost. For a little wing like I described would it be closer to $500 or $5000? The design is not yet finished but I'm trying to plan ahead how to build it for a price I can afford.
Where's it going on the car?
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Old Aug 5, 2016 | 09:16 AM
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almost seems like a front end piece/splitter end plate type piece. lots of WTAC guys seem to run dual element style "canards".
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Old Aug 5, 2016 | 10:51 AM
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I need to design some canards so I have an excuse to get the 4th axis for my tormach. Billet canards seem completely unnecessary but isn't that exactly the reason to do it?
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Old Aug 5, 2016 | 11:44 AM
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use 4th axis to make molds for fiber glass or carbon canards
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Old Aug 5, 2016 | 11:53 AM
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Could actually just do that with my standard 3axis but never tried doing homemade molds. I design plastic parts a lot for work, maybe I'll add that to my project list of things to learn.
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Old Aug 5, 2016 | 02:43 PM
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Originally Posted by EVOlutionary
Thanks that's what I was looking for. Yes it will be a Cad design and will be a .stl file. What I'm trying to figure out is if anyone has experience with pricing of aluminum 3-d printing and has an idea of cost. For a little wing like I described would it be closer to $500 or $5000? The design is not yet finished but I'm trying to plan ahead how to build it for a price I can afford.
Printing in metal is a COMPLETELY different animal then normal 3D printing.

You can buy a 3D printer for plastics that sits on a desk for like $1000. Materials can be bought for around $5 a cubic inch.


To "print" metal, it's done with high power lasers in a low pressure inert environment. Those machines are MILLIONS of dollars.

FWIW, English Racing did the oil pump gear with the "printed" metal and a 2" gear is selling for $350.
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Old Aug 6, 2016 | 01:46 AM
  #23  
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I can digitize one and make it out of aluminum no problem using my 4 axis cnc router.
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Old Aug 6, 2016 | 08:27 AM
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Well ya'll need to get to it, we need real ca-nards!
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Old Aug 6, 2016 | 10:26 AM
  #25  
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We need some properly designed canards for an evo that function, someone take that on and I'll figure out how to make them
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Old Aug 6, 2016 | 07:53 PM
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Originally Posted by Dallas J
We need some properly designed canards for an evo that function, someone take that on and I'll figure out how to make them
The canards on Nemo were fabricated out of sheet aluminum. I'd look to that design if you want canards.

What if I told you that you could make so much front downforce without canards that it would be difficult to find a wing to balance it?
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Old Aug 6, 2016 | 08:00 PM
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Originally Posted by killerpenguin21
almost seems like a front end piece/splitter end plate type piece. lots of WTAC guys seem to run dual element style "canards".
We'll see if anything like this shows up at WTAC in a couple months.
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Old Aug 7, 2016 | 10:05 AM
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i see what you did there
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Old Aug 7, 2016 | 10:06 AM
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Originally Posted by Balrok
Well ya'll need to get to it, we need real ca-nards!
i may have some news for you soon...
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Old Aug 7, 2016 | 11:02 AM
  #30  
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Originally Posted by EVOlutionary

What if I told you that you could make so much front downforce without canards that it would be difficult to find a wing to balance it?
At autoX speed within SM rules? I'd say where do we send money?
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