Stijn Vandegaer
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Posts posted by Stijn Vandegaer
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Has anybody successfully been able to solve this issue at post level ?
We had this issue occur on a recent big $$$ part.
Vericut had given a warning 'small arc length - undesirable results may occur', but our junior programmer didn't see any harm in continuing, even with this error.
In our case, it has nothing to do with the controller (FANUC 31i). It's MasterCam's post pro that generates a huge I & J (nearly 360 degrees) at a location where there is a tiny arc. Programming the same cut-out (with the tiny arc) in SmartCam shows no problems after posting. We tried multiple scenarios (cutter comp on/off, arc breakage, different chain generation approaches, etc.
I feel something is fishy in the post and someone must have had this before.
Any help or advise in the right direction would be tremendous help - our local CGtech focal can't figure it out....
Thx
Stan
Fanuc controls, short arcs cutting as full arcs.
in Machining, Tools, Cutting & Probing
Posted
Hello John,
It's 0.0006".
How would this influence the issue ? Would there be rules in the post (I'm definitely not a post expert):
- if arc < arc_tolerance then create crazy circle...
- if arc > arc_tolerance then follow arc
or something similar ?
Thx
Stan