On Tuesday 22 September 2020 01:39:49 Frank Tkalcevic wrote: > I was impressed that FreeCAD could import lots of different CAD > formats. I tried to use the CAM (Path) on an old STEP file, but I > couldn't work out how to orient my part, and set the origin to the > bottom-left top corner of the box stock. Reading the forums, it seems > that isn't possible (talk of local coordinate systems, but no > implementation). > Export the stl for the part, and let the latest cura do that, its finally fixed. > -----Original Message----- > From: Todd Zuercher [mailto:to...@pgrahamdunn.com] > Sent: Tuesday, 22 September 2020 4:51 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] SPAM: Re: freecad, latest, starter tut? > > Generating g-code with Freecad is a bit of an arduous process. > Especially for the first time. After you've made your 3d model, you > have to convert that drawing into a part, then you have to create a > Job amd set up your tool library, then add the tools to the Job, then > configure the machine driver, then create all of the machining tool > paths (using the Path Workbench.) Then only after you've created your > tool paths, can you output g-code to a file. (The only g-code I've > made with Frecad was using version 0.18.) > > Todd Zuercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > -----Original Message----- > From: Gene Heskett <ghesk...@shentel.net> > Sent: Sunday, September 20, 2020 11:09 AM > To: emc-users@lists.sourceforge.net > Subject: SPAM: Re: [Emc-users] freecad, latest, starter tut? > > [EXTERNAL EMAIL] Be sure links are safe. > > On Sunday 20 September 2020 10:04:48 Martin Dobbins wrote: > > freecad has an export menu that claims to do gcode, but it does not > > create the code, nor does it report any error I understand when > > going thru the motions. freecad screenshot attached. A simple torus > > shape, 50mm in diameter, 35mm tall, with a 28mm center hole. > > > > Good morning Gene, > > > > I've looked through the midden heap of my drag knife folder and I > > have been unable to locate a file with g code. This bugged me > > because I *know* I saw readable g code from that project, then i > > remembered how I had seen g-code (on screen) which is pretty much as > > described in this video: > > > > https://www.youtube.com/watch?v=fWU621P0gZk > > > > I know I expected to have human readable code at the end of this > > project (pity I didn't complete it) because I'm working on a desktop > > that is not connected to the CNC so I expected a text file at the > > end that I could edit and rename to a .ngc file to transfer to the > > CNC machine. > > > > If you can wait, I'll have a go at replicating the torus you made > > and see if I can send the g code. If that works I will (try) to > > tell you how I did it. Later today, I hope. > > > > Martin > > Not that big a hurry Martin, I don't have the motor in hand yet that I > plan on using. I have found it from other vendors so all is not lost. > This vendor I now recall burnt me several hundred dollars when I > bought a 6040 mill for my Christmas present almost 2 years ago. I had > to ditch the electronics and replace that whole box and its contents. > Around $400 of an $1200 purchase. Runs nicely now exceptfor an actual > speed tally on the water cooled spindle which has no encoder, so its > displaying the commanded speed to the vfd. Ought to be an echo from > the vfd, but I don't know how to acquire it for linuxcnc. Cheap clone > vfd. > > In the meantime I've found that freecad treated my diameters as radii, > so the posted image is too big by 2x for xy. Its a 50mm diameter > pipe, 35mm long, with a 28mm diameter bore. Makes sense, but big > dummy at work. :-) > > Thank you Martin. > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > If we desire respect for the law, we must first make the law > respectable. - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
