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by cahlfors
Fri Aug 07, 2020 7:27 pm
Forum: Path/CAM
Topic: LinuxCNC and Path blending tolerance
Replies: 3
Views: 240

Re: LinuxCNC and Path blending tolerance

GeneFC wrote:
Fri Aug 07, 2020 2:36 pm
"inferial" units
:lol:

When people from "imperial territory" talk about thousandths and microns, I really don't know what to expect... And if there is no clue to their origin... :roll:
by cahlfors
Mon Jul 06, 2020 6:56 pm
Forum: Path/CAM
Topic: 3Dsurface unnecessary repeat on exit.
Replies: 12
Views: 517

Re: 3Dsurface unnecessary repeat on exit.

Does it seem to make sense to have automatic recalculation of 3D paths at all? There seem to be many ifs and buts?
Maybe it would be more practical to select a path and hit a "recalculate" button?
by cahlfors
Sun May 31, 2020 7:05 pm
Forum: Path/CAM
Topic: Is it possible to nest parts / bodies for milling?
Replies: 9
Views: 532

Re: Is it possible to nest parts / bodies for milling?

Isn't this what "copy", "array" and "simple copy" are for?
by cahlfors
Mon Apr 27, 2020 7:46 pm
Forum: Path/CAM
Topic: Recent change to movement with safe and clearance height
Replies: 13
Views: 590

Re: Recent change to movement with safe and clearance height

Thanks for explaining this chrisb!
I have seen the picture with the definitions many times before over the years, but it was not until your example above that i finally got what safe and clearance is for. To me, they are just synonyms, hence difficult to understand.
by cahlfors
Thu Jan 16, 2020 8:40 pm
Forum: Path/CAM
Topic: inappropriate cutting speed on ramps.
Replies: 12
Views: 525

Re: inappropriate cutting speed on ramps.

Helical paths are the obvious exception to existing tools not doing simultaneous x,y,z movement, are there others I'm missing. I can think of holding tags, slots, pockets, profiles etc with ramp or zigzag entry and anything 3D. I think there was a discussion on this topic as well and think the conc...
by cahlfors
Fri Aug 02, 2019 5:32 pm
Forum: Path/CAM
Topic: Bug in Pocket and Faceing op. Gouges tool in line mode
Replies: 1
Views: 323

Re: Bug in Pocket and Faceing op. Gouges tool in line mode

I have seen this too and was hoping for the same behavior as you.
by cahlfors
Sat Dec 22, 2018 9:18 pm
Forum: Path/CAM
Topic: Align top with bottom
Replies: 4
Views: 512

Re: Align top with bottom

Thanks for reaching out, Chris! I would say that this issue exists regardless of the model, but the solutions may vary. A part milled from a rectangular piece of stock is one case. Cylindrical stock is another. Some parts can be held directly in a vise or chuck, others may need a fixture. Milling th...
by cahlfors
Fri Dec 21, 2018 8:30 pm
Forum: Path/CAM
Topic: Align top with bottom
Replies: 4
Views: 512

Align top with bottom

Hello forum, When milling a not too complex part, I am thinking it would be natural to mill the top first, then flip it over and do the bottom and then be done. For this to work, the system needs to be touched off on the flipped part somewhere, but where? At this point, the unfinished stock is expos...
by cahlfors
Fri Aug 31, 2018 11:09 pm
Forum: Path/CAM
Topic: Adaptive Path/CAM Operation
Replies: 320
Views: 23376

Re: Adaptive Path/CAM Operation

kreso-t wrote:
Wed Aug 29, 2018 6:59 pm

FreeCAD 0.18_024.png
Overshooting the boundary is equally important here, as in face milling. Just don't overshoot into the material! :o
by cahlfors
Wed Aug 29, 2018 7:48 pm
Forum: Path/CAM
Topic: Adaptive Path/CAM Operation
Replies: 320
Views: 23376

Re: Adaptive Path/CAM Operation

There definitely are. Not all tools are even able to plunge, like a face mill for instance. There is nothing in the center that can cut. Also of interest here is to have the cutting area overshoot the outer boundaries. Hard to explain, but imagine you were cutting this by hand. Then you would not on...

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