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Thread: Lathe work truing tool

  1. #1
    Supporting Member ToolMakerRob's Avatar
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    ToolMakerRob's Tools

    Lathe work truing tool

    Long ago we used brass bars with a ball end in a tool post mount to true up work in an engine lathe quickly. this would get you within about .002-.004" runout on the OD very quickly in a 3 jaw, and could get you about.002 runout on the face in either a 3 or 4 jaw. This is a modern version of the brass nub. Uses a Bearing instead to rotate with the work. now using this tool, I can true up work to within .001" or less, OD or face, within about 3 seconds. If you make one remember to run it on center line with the work, and at a low rpm or you will burnish it.

    Lathe work truing tool-img_20160628_082154.jpgLathe work truing tool-img_20160628_082226.jpgLathe work truing tool-img_20160628_082254.jpg

    P.S... I know the surfaces look horrible... just never got around to grinding it or polishing it... someday I suppose.
    "We, the willing, led by the unknowing, have been doing the impmossible, for the ungrateful for so long, with so little, we are now capable of creating anything from nothing."

    -ToolMaker Rob

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

    Jon (06-28-2016), Paul Jones (06-29-2016), Toolmaker51 (06-29-2016)

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    Thanks ToolMakerRob! We've added your Lathe Work Truing Tool to our Lathe Accessories category,
    as well as to your builder page: ToolMakerRob's Homemade Tools. Your receipt:

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

    ToolMakerRob (06-29-2016)

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