Orient the part to zero using translation routines. On Tue, Sep 22, 2020, 11:45 PM TJoseph Powderly <tjt...@gmail.com> wrote:
> Stop labelling messages as SPAM > HTH can we have topics labelled SPAM this and SPAM that? > Stop replying to threads SPAM* ! > Who is playing Judge or God here fingering witches? > STOP > The topics and labels on this list are already _barely_ connected to OP. > tomp > > On Tue, Sep 22, 2020 at 11:10 PM Chris Albertson > <albertson.ch...@gmail.com> wrote: > > > > I think the bottom line with FreeCAD is that is working fine if you need > to > > make one part and 3D print it. But it is not quite ready for complex > > machine design or making parts with subtractive machine tools (lathes and > > mills) But it covers maybe 90% of hobbyist use cases. This email list > > where (we assume) everyone has access to CNC is kind of the exception in > > the hobby/maker world. > > > > If you are making a living at this, just buy a license for a top-tier > > product. Time is money. > > > > On Mon, Sep 21, 2020 at 10:42 PM Frank Tkalcevic < > > fr...@franksworkshop.com.au> 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). > > > > > > -----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 > > > > > > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > > > _______________________________________________ > > 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
