On Fri, 9 Nov 2012 16:00:42 -0600, you wrote: >I think there may be some confusion here. No one is saying that Tx causes or >should cause tools to change on a milling machine. This is lathe behavior >only.
Correct. Most common on commercial mills I've had dealing with, Txx pre selects the tool and M6 actually does the tool change. G43Hxx applies the offsets. The T command can be many lines before the M6. Ideally it should be enough lines so the machine doesn't have to pause waiting for the carousel to get the tool to the load position. On lathes the format is usually Txxxx Where the first two numbers denote the tool or position number and the second two denote the parameters postion in the tool table. The tool change takes place immediately on receiving the command. for instance T0205 Where the tool is in postion 2 and it reads the offsets etc from the fifth line in the tool table. M6 is not normally used unless the lathe/machining center has an external carousel. Steve Blackmore -- ------------------------------------------------------------------------------ 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_d2d_nov _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users