virtual shaper part 2: CNC gear cutting with v shaped cutters

Errors were made, see next video (virtual shaper 3) for fixes.

#machining

[AndysMachines]

Hi Jesse! Thanks for the recommendation😁 Nice video and good to see the progress you're making with this!

I think I may have spotted a small error which will be easily fixable and should improve the results. The tooth at 3:00 looks significantly more undercut than you would expect for a 27 tooth gear (love the choice of a prime number BTW!). Also when comparing it to the gear generated in Fusion360, the root is much deeper.

At 5:25 you state the tooth height is 2.4 x module for gears > 1.25 mod, and 2.25 x module for gears <1.25 mod. These are the correct numbers to my understanding, except that you have them the wrong way around! Smaller gears actually need more clearance in the root due to engineering tolerances at a smaller scale. I thought you might have just mis-spoken, but looking at your code at the top of the screen I can see this is the way it actually calculates the tooth depth. Swapping these values around should result in a much better tooth profile and I wouldn't be surprised if you find it exactly matches that generated by Fusion.

I hope this helps - Andy

[ferrumignis]

Rather than importing a graphics library to render the gear, perhaps you could import your program into Blender since it uses Python scripting.