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2D CONTOUR with roughing passes (both ways) does not climb mill on finish passes even with compensation set to "left"
So its kind of weird that nobody else has really said much about this, and that autodesk hasn't noticed and fixed something that's obviously not right. But when you go to machine an open pocket with a 2d contour, roughing passes enabled and both ways enabled, the final passes which actually cuts the part seems to be completely random. There is an option to select "left" sideways compensation. so why would it not calculate the offset roughing passes from your climb milled finish passes working outwards? ive attached some screenshots. Notice one pocket has a climb mill finish pass and one a conventional. and I know you are probably thinking to try pocket instead of contour but it actually does the same exact thing... There should be an option to force climb or conventional mill on final passes. there are ways to work around this , like leaving stock and then duplicating and just adding your finish passes, but that shouldn't be the case.
Has this been annoying anyone else or im a just a weirdo??
Thanks,
Jeff
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My opinion is that you are not a weirdo... hehe, it would be nice to be able to dictate the last pass to be climb or conventional, but the way it works now is that both ways will ignore that. Both ways means we don't mind if it goes one way or another sort of. But I would like the behavior that you expect tho.
When I encounter that issue, which it does happen from time to time, i just change the start point to the other corner, and that will flip the last cut to climb milling, without the need to split the operation like you described.
If you do that, make sure to set a start point for each of the areas you are cutting, otherwise it will want to start in that general direction for all your zones, which may not result in a climb cut at the end in each area.
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I raised a ticket on this issue some time ago, but it is not likely to generate any activity, due to it, well, being "as designed" behavior.

Seth Madore
Customer Advocacy Manager - Manufacturing
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Probably not a big priority as I find it is easilly controlled via Stepover value and/or number of stepovers, works for me with "Both ways" and "Keep tool down" etc, Devs probably think it is fine like that ![]()
Fusion