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- Feb 1, 2015
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Simple controller set up to give X/Y (DRO style coordinates) and a microscope with cross hairs, you'd have a nice optical comparitor and inspection/measuring equipment. Just need to work out a way to get angles in the scope eyepiece.
Instead of the optical microscope, a low cost digital microscope will work nicely for an optical comparator. use one with my CNC mill and in highest resolution I can resolve .0001". @JimDawson wrote a nice little app that adds crosshairs/and or a bullseye to the image which can be viewed on a laptop.
[Metrology] - Mill Spindle Mounted Microscope (aka Cheap Optical Comparator)
I had thought about building a spindle mounted microscope for the Tormach for some time. The idea was to cannibalize and old phone or adapt a webcam camera but the optics was rather daunting some the project was shelved. About a month ago, I saw an ad for a USB 50 - 500X microscope on eBay for...
www.hobby-machinist.com