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Thread: Lathe Change Gear Cover Knobs

  1. #1
    Supporting Member Paul Jones's Avatar
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    Paul Jones's Tools

    Lathe Change Gear Cover Knobs

    I made two aluminum knobs to replace the 3/8-16 nuts and washers used to secure the lathe change cover. This cover is at the rear of the headstock to my 12” swing geared-head gap bed lathe. The knobs were made from 1.25” dia. 6061-T6 aluminum and approximately 2.1” long. The knurling is 21 pitch and the aluminum rod diameter was reduced 1.122” for a better fit for this knurling pattern. I used a semicircular shaped carbide insert for the Nikcole Mini-Systems grooving tool to machine the 0.125” wide grooves (using Copying Insert GIE-7-SC-3R). The larger diameter and longer length makes griping and turning the knobs very easy and no need for wrenches.
    Attached Thumbnails Attached Thumbnails Lathe Change Gear Cover Knobs-knobs-lathe-change-gear-cover.jpg   Lathe Change Gear Cover Knobs-knob-lathe-change-gear-cover.jpg   Lathe Change Gear Cover Knobs-lathe-change-gear-cover-knobs.jpg   Lathe Change Gear Cover Knobs-nikcole-mini-systems-copying-insert-gie-7-sc-3r-.jpg  

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    Last edited by Paul Jones; 10-22-2015 at 02:49 PM.

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

    jjr2001 (09-01-2016), kbalch (05-22-2015), panosam (06-03-2015)

  3. #2
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    Those are really nice knurls, Paul Jones.

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    kbalch's Avatar
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    Thanks Paul! I've added your Lathe Change Gear Cover Knobs to our Lathe Accessories category, as well as to your builder page: Paul Jones' Homemade Tools. Your receipt:


  5. #4
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    Very neat knurls. Nice work, Paul.

    Al



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