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Thread: Lathe work truing tool

  1. #1
    Supporting Member ToolMakerRob's Avatar
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    Jun 2016
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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.

    186 More Best Homemade Tools eBook
    "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 (Jun 28, 2016), Paul Jones (Jun 29, 2016), Toolmaker51 (Jun 29, 2016)

  3. #2
    Content Editor
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    Aug 2013
    Thanked 1,831 Times in 1,635 Posts

    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:

    2000 Tool Plans

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

    ToolMakerRob (Jun 29, 2016)

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