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by freman
Sun Nov 29, 2020 6:12 pm
Forum: Path/CAM
Topic: Anyone interested in V-Engraving?
Replies: 44
Views: 4424

Re: Anyone interested in V-Engraving?

That's still in the dev part of the forum. Probably not the most visible to relatively new users looking to see what FC can do.
by freman
Sun Nov 29, 2020 1:44 pm
Forum: Path/CAM
Topic: Motion controller & CNC software
Replies: 4
Views: 364

Re: Motion controller & CNC software

I use grbl which I've hacked a bit. Not that it isn't a good solution for 3 axis out of the box.
Universal Gcode Sender to send the FreeCAD output to the grbl controller card.
by freman
Sat Nov 28, 2020 6:23 pm
Forum: Path/CAM
Topic: Anyone interested in V-Engraving?
Replies: 44
Views: 4424

Re: Anyone interested in V-Engraving?

That probably because it's not the Path forum, it's the development/Path forum. Maybe Users Showcase is what you are looking for. https://forum.freecadweb.org/viewforum.php?f=24 Maybe having sub forums there may be helpful for people looking to find something relevant to what aspect of FreeCAD they ...
by freman
Thu Nov 26, 2020 6:42 am
Forum: Path/CAM
Topic: Discussion for detanglement of rotatioal code from existing ops
Replies: 25
Views: 1018

Re: Discussion for detanglement of rotatioal code from existing ops

Thanks RatonLaveur, there goes another evening spent dreaming and drooling ;) The insane cutting speeds they can do with that kind of rigidity makes me want to weep. Mainly also, that there is very seldom the need for true 5 axis! That depends on the work being done. One of the big advantages of 5th...
by freman
Wed Nov 25, 2020 5:53 pm
Forum: Path/CAM
Topic: Discussion for detanglement of rotatioal code from existing ops
Replies: 25
Views: 1018

Re: Discussion for detanglement of rotatioal code from existing ops

The idea of a dressup is probably not a bad option for a fixed rotation of a fixed 2.5D operation in terms of coding. Though it's a little hard to see how this would work intuitively from the user's perspective.
by freman
Wed Nov 25, 2020 3:38 pm
Forum: Path/CAM
Topic: Discussion for detanglement of rotatioal code from existing ops
Replies: 25
Views: 1018

Re: Discussion for detanglement of rotatioal code from existing ops

Thanks raton, I was not aware of either Adam or dub's work on these areas, which really is the point of my comment. I'm a noob round here and just poking away at that limited corner which is relevant to my hardware and my needs. I suspect more voluntary contributions follow a similar motivational pa...
by freman
Wed Nov 25, 2020 7:13 am
Forum: Path/CAM
Topic: Discussion for detanglement of rotatioal code from existing ops
Replies: 25
Views: 1018

Re: Discussion for detanglement of rotatioal code from existing ops

Thanks Thorhian. I think what you are saying is basically what I also wrote above about top down design as opposed to constantly bolting on tweaks to existing code which is inevitably a dead end approach. I think it is unlikely that you can evolve from simple 2.5D tools to 4 or 5 axis capabilities b...
by freman
Sat Nov 21, 2020 1:12 am
Forum: Path/CAM
Topic: Discussion for detanglement of rotatioal code from existing ops
Replies: 25
Views: 1018

Re: Discussion for detanglement of rotatioal code from existing ops

Like most design processes, a top-down strategy of what is required and how to get there would seem to be a good idea. Piecewise bold-on modifications inevitably end up producing unstructured and encumbered messy results which end up requiring a total restructuring which can be very, or even prohibi...
by freman
Tue Nov 17, 2020 8:23 pm
Forum: Path/CAM
Topic: safe and clearance height
Replies: 44
Views: 1520

Re: safe and clearance height

Please take a look at the attached file. Earlier I ran backjob and noticed that the Pocket ops are doing just what I would expect : rapid down from clearance (22mm) to safe ht (3mm), then cutting speed downwards. Retraction between holes it fully up to clearance ht. This is sensible and agrees with ...
by freman
Sun Nov 15, 2020 8:22 pm
Forum: Path/CAM
Topic: How to kill an endmill with FreeCAD
Replies: 34
Views: 1470

Re: How to kill an endmill with FreeCAD

Is it universally true or just for linuxcnc? I thought I'd already posted but I can't find it quickly looking back. GRBL rejects it with an error msg, BTW that also means the line gets ignored. Exactly what happens if you strip out all cutting moves and keep rapids is rather arbitrary and could cau...

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