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.
Sheesh, $275 for something like that? I'll bet the maker has a hard time driving to the bank to make his deposit, sorta hard to drive and ROTFLHAO at the same time. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) When all other means of communication fail, try words. ------------------------------------------------------------------------------ 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
