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Toolpaths Shift in Verify


Brandon Swihart
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I'm trying to verify a program with a couple flow 5 axis toolpaths in Mastercam 2021 but they show up as being about a foot from where they're programmed to cut. When I verify these two operations alone they cut where they're supposed to. The toolpaths look good in machine simulation as well, so it's just in the event that I verify them with other toolpaths that they appear to shift. The code these put out is good. Has anyone ever run into this? It's not really a big deal this time but I want to know what to do if I see this in the future. Thanks!

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No, they were set to 5 axis. Our local Mastercam reseller reached out to CNC Software and were told this:

"This was an issue with Multiaxis toolpaths in 2021 which were using 4-axis tool axis control. In this case, the posted code is good, just the verify is incorrect. The plane change between the ops is what's throwing us for a loop when both are simulated. While the posted code and classic backplot will have the correct rotary moves, they were not being read as 4-axis only in verify. (As a test, change the toolpath to something with 5-axis TAC that will have similar motion and run them through verify again. All will be good.) We addressed this under #D-37675 for Mastercam 2022, but I guess it was too late to make it into a 2021 update."

Sounds like the best solution would be to upgrade to Mastercam 2022. It's a pretty rare error, at least for me. I've only had it happen two or three times

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