HomeCNC Machine SpareSecrets to Machining an Aerospace Part on a Tormach CNC Mill

Secrets to Machining an Aerospace Part on a Tormach CNC Mill

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Links to tools we use for CNC machining:

Tool Cart – https://amzn.to/3owW9ui
Anti-Fatigue Mat – https://amzn.to/3q6y12c
Gear Drawer – https://amzn.to/3nvTAaL
Torque Wrench – https://amzn.to/2LwFPev

Join the DarkAero Community – https://www.youtube.com/darkaeroinc/join
(Exclusive members only content including photos, videos, live Q&A and more!)


This video is a quick overview of how we machined out one of our landing gear parts for the DarkAero 1. We cover the machining operations, the tool paths, fixturing (work holding), and provide some good tips and tricks for machining your own components with tricky geometry.

Design for machining links:
1) 3D Hubs

2) Xometry

3) Protolabs

If you enjoyed this video and would like to see more of this type of content, follow along as we continue towards creating the fastest, longest range aircraft you can build in your garage.

More information on DarkAero can be found on our website and other social media accounts:



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  1. 10 lb billet turned into 1 lb part is not something to brag about. There's this technology called "casting" and it's been around for a few millennia and it's far more efficient than that….both in time , money and material.

  2. Hey guys, great work your doing on this adventure. A quick question which may have been answered already but what was the total machining time on this part, both oops.
    I do understand this is prototype and speeds and feeds are probably conservative.
    I have a 1100m but am not at this level yet , thanks

  3. Lots of great tips that show you pay attention to precision. Pro tip is to get very close with a good tool distributor. He'll be able to sell you tools and holders with low runout, high performance geometry and coatings, and give proper feeds and speeds.

    Haas is an entry level CNC. I hope you do well enough to step up to a more solid machine.

  4. That really impressive and the end result looks great, but I cannot believe how mush work is need setting up the part before you even start the job, 3D printing make it looks easy.

  5. I'm curious about the more granular and technical aspects of this project. Specifically, how do you: (1) determine the forces that your parts will experience during use, and (2) determine that the parts can in fact survive those forces and work correctly? Thank you!

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