Two numbers stand out 45mm and 90mm. Notice that 90mm is exactly twice 45. A common mistake is to forget that moving the tool 1mm reduces the diameter by 2mm. Diameter is twice the tool movement. g-code specified tool movement, not part size Getting this backward might explain the 45 and 90 error.
On Thu, May 30, 2019 at 11:40 AM Gediminas Dirma <[email protected]> wrote: > Hello, > > I am running CNC lathe with beaglebone and machinekit. Lets say that i > turn down cylinder from 45mm to 40mm. In my CAM i generate gcode and it > seems fine. > But then i upload it to machinekit, it changes turning diameter it then > starts turning not from 45mm but from 90mm and it turns down 5mm. It seemes > that something > is with X axis, since Z is working fine. What could cause this problem? > Maybe I do something wrong with tool table but i followed procedures writen > here http://linuxcnc.org/docs/html/lathe/lathe-user.html > > Thanks for help. > > -- > website: http://www.machinekit.io blog: http://blog.machinekit.io github: > https://github.com/machinekit > --- > You received this message because you are subscribed to the Google Groups > "Machinekit" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > Visit this group at https://groups.google.com/group/machinekit. > To view this discussion on the web visit > https://groups.google.com/d/msgid/machinekit/30e422e8-c824-4f50-9636-f1a2c6681967%40googlegroups.com > <https://groups.google.com/d/msgid/machinekit/30e422e8-c824-4f50-9636-f1a2c6681967%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Chris Albertson Redondo Beach, California -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. To view this discussion on the web visit https://groups.google.com/d/msgid/machinekit/CABbxVHvUaFDsayG_5ZZd5vg435uvmrM4z3vh7phEZ1MoKk8F%3Dg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
