On Mon, 22 Sep 2008 20:16:44 -0400, you wrote: >That was posted back in August and basically does what I was looking for in >automating the Z length at a tool change with a simple insulated pad mounted >to a fixed position on the table and connected to the probe input (basically a >piece of single sided PC board bolted to the T slots at a spot I don't really >use commonly but is available to the spindle centerline - single sided PCB >material keeps it insulated from the table so the tool touching can complete >the probe circuit). By moving in the machine coordinate system (as opposed to >an offset coordinate system) the position is easily repeated, the Z zero of >the new tool calculated, and that dimension applied to the Z value converting >it to the new Z for the newly inserted tool, obviously you need to run it at >the start so the original tool length is saved as the initial reference to >correctly calculate everything from there on.
>My .02 HTH YMMV :) It does ;) Already looked at that, more cons than pros - a simple insulated pad won't work for me, the router/engraver spindle head is double insulated, it would have to be a switch of some sort, or messing about with temporary grounding wires. Also finding a suitable spot that's not in the way of varying sizes of work is a problem, it would have to be movable. Pressing one with some of the expensive small inlay bit's I use is a big problem. The only way I've reliably got them to survive touching off is having them rotating at cutting rpm, creeping down to the work surface and watching for a mark, then press Z Zero - not elegant but it works. Steve Blackmore -- ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
