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3d indicator design |
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BillTodd:
--- Quote from: Joules on April 05, 2012, 09:59:39 AM ---Ahhh, the penny dropped, two caged bearing races slide over the sandwiched plate.... --- End quote --- :thumbup: |
Brass_Machine:
I watched the video. What a neat bit of kit. I would be interested in building one and helping you test! Eric |
BillTodd:
Making the probe replaceable has me puzzled ATM. The Haimer one which has a gimballed probe which cannot rotate , so they screw their probes in position. I rejected the gimbals idea because is would be difficult to make. My linear slide is a simple thrust washer sandwiched between two thrust bearings so has 3 degrees of freedom (X, Y and rotation). In addition the probe has another degree of freedom (Z) and is also free to rotate. I'm thinking about clamping the probe in a collet like arrangement requiring two spanners to fit (fiddly, but this is DIY ;)) --- Quote ---I would be interested in building one and helping you test! --- End quote --- It's still in the idea/development stage ATM so I would not encourage you to commit to metal just yet. (machining pixels is faster and cheaper ) I'll post drawings when I'm done |
BillTodd:
The latest incantation has bulked up a bit to accommodate a removable probe (held in place by a small magnet) Still not quite there but getting close. |
Divided he ad:
Excellent concept, very neat design Bill :clap: Gotta love the magnet idea :smart: I purchased a two very small DTI (1" clock face) second hand from a booty a while back with a view to making your coaxial indicator.... Well, I was going to have a go! (Still on the tuit list) Now I may have a use for the second one :ddb: Watching with great interest.... And I'll be nudging you for names of suppliers for the thrust bearings etc too :poke: :) Ralph. |
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