John Prentice wrote: > Greetings > > A modal scaling code (G51?) is certainly useful and fairly easy to define in > terms of its effect on X, Y, Z etc. coordinates submitted to the > interpreter. One does have to beware of what happens to arcs with unequal, > say, X and Y factors. > > Rotation seems to me much more difficult to specify because of jogging and > because of work offsets. > > Does the X jog move the table left and right or in such a way that only the > X DRO alters? > Once you have engaged the translation, then an X jog would move in the translated coordinate space. If you want to do a pure X jog, you need to cancel the translation mode. > Is the rotation about 0,0,0 in the current cosys, the G54 cosys or the G53 > cosys? I think that funny things happen to datums whatever option is chosen. Well, you have to define where these translations and rotations work from. Making the rotations around the translated (0,0,0) coordinate would make sense to put everything around the part's new origin.
Jon ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
