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Type: Posts; User: skround

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    Without a lower bearing the whole thing would be...

    Without a lower bearing the whole thing would be totally hopeless.

    I've uploaded another video with the run-out check. The digital gauge might not be super accurate but the resolution is 1 micron....
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    Sorry to have created confusion - it's my...

    Sorry to have created confusion - it's my unfamiliarity with the imperial. I'm thinking about 0.05mm (or less) which is 0.002" territory.
    This is going to be a work of patience rather than brute...
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    Hi Bob, not sure it I get you right but since...

    Hi Bob, not sure it I get you right but since power is not on my side (with a 1Kw machine) I'll try a tow-fold approach - small increments, say 0.01" and using the an abrasive wheel that is 40mm...
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    Hi Marcus thnks the advices - I'm familiar with...

    Hi Marcus thnks the advices - I'm familiar with the stock removal rate and sure never thought it can go in one pass. Little increments like on a lapping machine and a lot of patience is what it takes...
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    Can't say much bout the tolerance...

    Can't say much bout the tolerance target....without embarrassing myself! But I have a feeling that IF this contraption works then few hundredths of mm are achievable.

    I think what I'm going to do...
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    Aint got no Bridgeport! :D Or to be more...

    Aint got no Bridgeport! :D
    Or to be more exhaustive I need to come up with a DIY way to do this. The process to build this object has to be attainable and replicable anyway in the world where you...
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    Thanks - the more I think about that the more I...

    Thanks - the more I think about that the more I think that what I've set up had the assumption to deal with less than 0.1mm or run-out. I need mechanical precision to a certain extent whereas the...
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    Thanks for the replies all - need to digest them...

    Thanks for the replies all - need to digest them a bit and I'll come back with few questions.

    In the meantime I've uploaded a short video just for the sake of giving a better idea of the set-up...
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    :D :D :D even quarter-assed, BUT the original...

    :D :D :D even quarter-assed, BUT

    the original question was as simple as what's the right abrasive material for SS steel and if it's really worse than a low-alloy steel run-of-the-mill steel.
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    Yes that's ambitious - I could take it to a CNC...

    Yes that's ambitious - I could take it to a CNC workshop but part of the project is to identify a way to do this operation on a DIY level, despite being sophisticated.

    I have my own doubts - that...
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    Bite! That's what I meant for 'gearing'. I can...

    Bite! That's what I meant for 'gearing'. I can actually find a way to always go in the same direction - that's not a huge big deal. (What I think it's) my problem is that the material removal rate is...
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    I'm not looking for a bigger router but rather a...

    I'm not looking for a bigger router but rather a larger effective grinding tool to be adapted on the 20mm shaft. It might do the trick - or not.

    A belt sander doesn't look viable - the workpiece...
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    Well...that's where it gets complicated. I've...

    Well...that's where it gets complicated. I've built a kind of grinding apparatus on the workpiece.
    The workpiece is the black 'semicircle' that is hanging via 2 steel beams. It's carbon/plywood/foam...
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    Grinding Stainless Steel vs 'standard' Steel

    Hi! I'm working on a DIY project that involves grinding SS material.

    Apologies for not being precise in the description of the material - all involved materials are just generic hardware store...
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