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?
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