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Microscope/ Nanomill |
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BillTodd:
The idea here is to combine a few bits of useful scrap into something more useful. I have a Baty measuring DRO from a shadow graph , 2um scales resolving to sub micron a two axis slide from a wire eroder , 85 x 85mm travel, 1mm pitch ball screw , thk cross-roller slides A short slide axis from a laser welder , IKO ball slides, 1mm pitch precision lead screw 150mm travel A Russian LOMO microscope with cross-hair eye piece and various objects My first thoughts were to use the two axis slide for XY table and the short slide for vertical zoom/focus for the microscope. However, the axes are all ball/roller guides with zero backlash screws that are ready to accept motors so , would this make a solid , if small, mill? ATM I have only pencil sketches and ideas, so for the moment here are pictures of the bits |
hanermo:
The cross slide actually looks solid .. and unlike 95%+ of "mill" dreams would probably work, pretty well, imho. This would be for work like old small jig grinders and small watchmaking mills. I think. So tiny tools, maybe 2-3 mm in D, given the small screws. Because the z axis is short, 150 mm, you would have great rigidity, so this vastly helps in your goal. Maybe make ultra short tools via shrink fits .. |
BillTodd:
Yes that axis is very solid - it really is almost too heavy for me to lift , it says 32kg on the side but seems much heavier. I think my greatest difficulty would be the spindle . It'd would need to do north of 20000 rpm and have negligible runout both of which mean expensive . The other problem is why. I already have a 2 axis cnc mill and have access to 3 axis if I need it. What would I do with a tiny machine ??? On the other hand , being able to measure accurately has popped up a couple of times this month , so I'm leaning towards a microscope that can be converted should i trip-over a nice spindle. |
AdeV:
Bill, I don't think you can do anything useful with those bits... Feel free to send them my way for "recycling" :lol: |
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