2010/3/17 Gene Heskett <gene.hesk...@gmail.com> > On Wednesday 17 March 2010, Slavko Kocjancic wrote: > >Frank Tkalcevic pravi: > >>> I see that a commercial "Z axis preset gauge" is A$275 down > >>> here, so a DIY alternative is attractive. (And it's > >>> advertised with "LED lamp", but no mention of an electrical > >>> output socket, so maybe no use, anyway.) > >> > >> I have one of those > >> (https://www.machineryhouse.com.au/Products?stockCode=M691) - it has a > >> spring loaded plate, an LED and a 3v button cell battery. Complete the > >> circuit and the LED lights. I removed the button, drilled a hole in the > >> side, and added a cable to make it a touch off probe (initially I used > it > >> with my manual mill and DRO for touch off - exactly 50mm high). The top > >> of the plate is all scuffed up from raming a tool into it - twice while > >> developing touch off software, and once by jogging into it a bit too > >> fast. I need to have it reground. > > > >Wau $275 for 3 switches one batery and LED? > > > >just see *http://tinyurl.com/yhcslo4* > > > And that is even better. Use metal screws set into HDPE, but I believe I'd > put a spot of some hard, wear resistant material in the middle of the pcb > for > the actual touch point. Something that won't scratch near as fast as the > pcb > material. >
Probably some cap in shape of mushroom. Better material and cap to keep swarf out. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users