topic Re: Drill/Tap operations re-drilling/re-tapping with new Haas NGC post? in Fusion Support Forum

Drill/Tap operations re-drilling/re-tapping with new Haas NGC post?

FrodoLoggins — Mon, 07 Jun 2021 17:59:18 GMT

Haven't noticed this behavior with older versions of the Haas NGC post.

I'm noticing that on all drill/tap cycles (not with counterbore though) the holes get drilled/tapped twice. Looks like the hole locations are being called out twice:

Re: Drill/Tap operations re-drilling/re-tapping with new Haas NGC post?

seth.madore — Mon, 07 Jun 2021 18:19:38 GMT

It's actually showing up in the Simulation as well, so it's not a post thing. This needs some investigation, I'll post back in a few. In the meanwhile, turn off "Select Same Diameter" and manually select both holes

Re: Drill/Tap operations re-drilling/re-tapping with new Haas NGC post?

seth.madore — Mon, 07 Jun 2021 18:29:27 GMT

It's coming down to this:
You have your "Top Height" set to "Model Top", which is perfectly fine. However, I found that if you have it set to "Hole Top", it only recognizes it as one hole. Model Top recognizes it as two (which is clearly wrong).
So, if you set it to Hole Top, you're still left with another issue, and that is of your tool crashing into the part, due to the chamfer. In that case, you should turn on "Merge Hole Segments" which will extend the drilled hole to the extent of the planar face.

Re: Drill/Tap operations re-drilling/re-tapping with new Haas NGC post?

seth.madore — Mon, 07 Jun 2021 20:15:27 GMT

Interestingly, I cannot reproduce this in a native Fusion file...