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Thread: Small Live center

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    richard meidl's Tools

    Small Live center

    I needed a small live center to work on small diameter pieces on my lathe. I had bearings and an old morse taper #2 laying around. Since the bearings don't have good thrust, I dropped a hardened ball into the pocket before inserting the bearings. See the parts before and after assembly.
    Small Live center-live-center.jpg

    Richard

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  2. The Following 3 Users Say Thank You to richard meidl For This Useful Post:

    Paul Jones (Mar 19, 2017), rossbotics (Mar 19, 2017), Toolmaker51 (Mar 18, 2017)

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    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    That ball is a better thrust bearing than many; of washer or bearing type. Near zero friction, and if carefully set, near zero endplay. I've built firearm cleaning rods with exactly same arrangement, but the bearings are spaced apart within the length of the handle. Spacing improves axial alignment. The rods are 01 tool steel, hardened and polished in contact the ball. Couple drops of gun oil and ready to go. Smoothness helps cleaning process, as fouling can be detected by feel.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  4. The Following User Says Thank You to Toolmaker51 For This Useful Post:

    Paul Jones (Mar 19, 2017)

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    Thanks richard meidl! We've added your Small Live Center to our Machining category,
    as well as to your builder page: richard meidl's Homemade Tools. Your receipt:






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