Matt Shaver wrote: > On Sat, 20 Oct 2012 20:44:02 -0500 > ed <[email protected]> wrote: > > >> Finally got my Hardinge CHNC lathe up and mostly running and am >> having a problem. Do you simply put G95 on a line then on the next G1 >> make sure there is a F feedrate per rev? What ever I try the prog >> stops with the spindle running on the first G1 line. Baffling. >> >> Maybe someone has a small code snip that works so I can follow the >> code path. >> > > Thanks for confirming what I have been thinking - That G95 is broken > somehow. I consult for Smithy who sells CNC lathes with Linuxcnc > control, and our lathe customers report this same behavior. > Interestingly G76 threading works OK, and it depends upon proper > operation of the index pulse logic and correct spindle direction and > velocity feedback. Is there some other hardware interface or software > configuration issue that prevents G95 from working? Or is it really > broke? > >
I don't think the spindle encoder is relevant unless you have closed loop spindle control. My guess is it only looks at the S word rpm's to calculate feed rate. Ed > What can be done to test this? Any signals that need to be monitored in > a halmeter? I'd like to see this fixed, but I haven't reported it yet > as I didn't feel I had enough information to support a bug report. I'm > pretty sure this is a current problem with the latest release. > > Thanks, > Matt > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_sfd2d_oct _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
