Fusion 360 Tool settings for 45 degree V-bit

Mostly Printed CNC - MPCNC Troubleshooting
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I’ve been working on getting engraving working on my machine, but can’t seem to get the hang of using the V-Bit and the Engraving tools in Fusion 360. I’ve been using Fusion for pretty much all my CAM needs with MPCNC and it’s been awesome but running into some stumbling blocks here.

I think the crux of the issue is getting the right settings for the 1/8th inch V-Bit (purchased here). What happens is that the generated toolpaths aren’t necessarily pulling the bit all the way out to the point when it’s exiting the letter. At first I thought it might be an origin issue, but that doesn’t seem to be the case as I’ve validated it with other cutting operations and don’t have an issue.

Right now I have the cutting edge set for:
3.175Mm DIameter
3.175mm Shaft Diameter
45 degree taper angle
0.1mm Tip diameter

14mm Flute length
17mm shoulder length
17mm Body length
17mm Overall Length.

Any suggestions?

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ARGH, I figured it out. Here’s the answer if others run into this…

  • I was using 45 instead of 22.5 for the taper angle
  • When the text is wider than the bit diameter you need to a pattern cut first, and leave an offset with Fusion 360
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Yeah the angle thing got me before as well. Cool that you figured it out so quick, took me a few tries.

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I know this is an old thread, but Ryan is there any chance you are able to list the tool data in the V1 shop listing so we don’t have to guess/measure/figure this stuff out for each tool we buy from you? The 45/22.5 degree thing went over my head as well until I saw this thread.

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It depends on the software you use for how angles are entered vetric you enter 45 estcam 45 fusion 22.5 so that gets confusing also. A entry in the milling basics page is where that belongs :grinning:

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