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Author Topic: 4th Axis jerky - Acceleration differences between A and XYZ?  (Read 76 times)

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4th Axis jerky - Acceleration differences between A and XYZ?
« on: March 22, 2021, 08:32:42 PM »
I've read a ton of posts trying to figure out why my 4th axis isn't smooth. I've eliminated smoothing (fusion 360 option), CV settings in Mach3, computer performance, disabled toolpaths to see if that helps. I think the issue is acceleration differences between A and the XYZ axes. My XYZ are set to 100 IPM, my 4th axis is set to 2500. If I set my A axis to 100 IPM its impossibly slow. Are there any tricks smooth this out?

https://youtu.be/Cz8HDmt4FTA