That does look like a cut and paste error where the description got separated from the example it pertained to.
JT On 11/6/2014 2:57 AM, Churms, Cecil wrote: > I believe the following snippet from the G%20Codes.html page on the site is > dodgy. Alternatively, I am seriously not understanding something. E.g. I > cannot figure out a reason why from Z0, (on the first line) you get to Z=9 > via a Z-1 command on the second line. > > I just thought I would let the documentation maintainers know about it, for > when they do their next corrections run. > > [ Not a complaint, just trying to be helpful] > > Regards > > Cecil > > G2 Example Line > G0 X0 Y0 Z0 > G17 G2 X10 Y16 I3 J4 Z-1 (helix arc with Z added) > P word Example > G0 X0 Y0 Z0 > G2 X0 Y1 Z-1 I1 J0.5 P2 F25 > The above example line will make a clockwise (as viewed from the positive > Z-axis) circular or helical arc whose axis is parallel to the Z-axis, ending > where X=10, Y=16, and Z=9, with its center offset in the X direction by 3 > units from the current X location and offset in the Y direction by 4 units > from the current Y location. If the current location has X=7, Y=7 at the > outset, the center will be at X=10, Y=11. If the starting value of Z is 9, > this is a circular arc; otherwise it is a helical arc. The radius of this arc > would be 5. > > > > [Description: cid:image002.jpg@01CBD1D5.8FBCB7A0] > > Dr Cecil L Churms > Principal Scientist > DebTech > De Beers Group Services (Pty) Ltd > > cecil.chu...@debeersgroup.com<mailto:cecil.chu...@debeersgroup.com> | Tel: > +27 11 309 3832 | Fax: +27 11 309 3052 > > > > > ***************************************************************************** > The information contained in this e-mail is confidential and may > be subject to legal privilege. If you are not the intended recipient, > you must not use, copy, distribute or disclose the e-mail or any > part of its contents or take any action in reliance on it. If you have > received this e-mail in error, please e-mail the sender by replying > to this message. All reasonable precautions have been taken to > ensure no viruses are present in this e-mail and the sender cannot > accept responsibility for loss or damage arising from the use of this > e-mail or attachments. > .***************************************************************************** > > > ------------------------------------------------------------------------------ > > > _______________________________________________ > 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
