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Thread: Dividing Attachment for Mini Lathe

  1. #1
    Supporting Member old_toolmaker's Avatar
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    Dividing Attachment for Mini Lathe

    I built this dividing attachment to fit my 7 X 16 mini lathe due to a project I had involving the engraving and stamping of micrometer dials and 360 degree angular setting dials for the cutter grinder I built. I have used it for other projects since such as engraving the lines on other micrometer dials, drilling holes in dividing plates, gear cutting and cutting splines in a shaft. It has come in very handy and I don't know how I ever got along without it.

    Dividing Attachment for Mini Lathe-20170805_113844.jpgDividing Attachment for Mini Lathe-20170805_113816.jpgDividing Attachment for Mini Lathe-dividing-head-b.jpgDividing Attachment for Mini Lathe-dividing-head-.jpgDividing Attachment for Mini Lathe-dividing-head-c.jpg
    Attached Thumbnails Attached Thumbnails Dividing Attachment for Mini Lathe-dividing-attachment-mini-lathe.jpg  

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    Last edited by old_toolmaker; Mar 3, 2018 at 10:55 AM. Reason: Added information.

  2. The Following 14 Users Say Thank You to old_toolmaker For This Useful Post:

    CookieCrunch (Jun 30, 2018), jackman (Feb 21, 2018), jjr2001 (Feb 21, 2018), Jon (Feb 21, 2018), Metallurg33 (Jul 20, 2018), olderdan (Feb 21, 2018), Paul Jones (Mar 2, 2018), PJs (Feb 21, 2018), rendoman (Jan 10, 2019), rossbotics (Feb 21, 2018), Seedtick (Feb 21, 2018), Shanty (Mar 3, 2019), StephenL (Jun 30, 2018), yves78 (Mar 1, 2018)

  3. #2
    Supporting Member thehomeengineer's Avatar
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    Hi Dick
    Yet another nicely made tool from you
    The Home Engineer

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  4. #3
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    Thanks old_toolmaker! We've added your Mini Lathe Dividing Attachment to our Measuring and Marking category,
    as well as to your builder page: old_toolmaker's Homemade Tools. Your receipt:




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    Supporting Member olderdan's Avatar
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    Hi Dick
    I have a similar set up on my SB lathe giving 60:1 ratio
    http://www.homemadetools.net/forum/m...5038#post81061
    It is nowhere near as nicely made as yours but I would not be without it. BTW what ratio are you using.
    Regards
    Olderdan

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    Paul Jones (Mar 2, 2018), PJs (Feb 21, 2018)

  7. #5
    Supporting Member old_toolmaker's Avatar
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    olderdan,

    Thank you for the nice complement!
    The ratio I am using is 45:1 due to the fact that I am driving the standard 45 tooth spindle gear with the 8 pitch worm. I know this somewhat limits the number of possible divisions I can make, but it does everything I have needed so far. Also I could use different spindle gear if I need to divide something other than what I can do now.

    Dick

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    olderdan (Feb 22, 2018), Paul Jones (Mar 2, 2018), PJs (Jun 30, 2018)

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    Supporting Member old_toolmaker's Avatar
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    DIYer,

    Thank you for posting.

    Dick

  10. #7
    Supporting Member old_toolmaker's Avatar
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    thehomeengineer,

    Thank you very much!

    Dick

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    Hello,

    Your fixture looks very nice, and quite easy to machine !

    Please could you provide an additional picture showing how the fixture is mounted on the lathe ? May be on the spindle ?

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    old_toolmaker (Mar 1, 2018)

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    Good built, excellent job.

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    old_toolmaker (Mar 7, 2018)

  15. #10
    Supporting Member old_toolmaker's Avatar
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    yves78,

    I have uploaded additional photos for clarity showing the dividing attachment mounted on the mini lathe. I have added them to my original post. What may not be real clear is that the dividing attachment is mounted in a skewed position in an attempt to match the helix angle of the worm to the idler gear.

    Dick
    Last edited by old_toolmaker; Mar 7, 2018 at 06:20 PM. Reason: Added pictures to original post

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