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  • I wanna make a thread dial

    I picked up a nice 9" Junior South Bend today and it is lacking a thread dial. What gear is needed to ride on the lead screw to make my own dial ?

  • #2
    Any crummy gear that has 2x or 4x the teeth as the TPI of the screw, and the tooth spacing to fit. In your case, 16 or 32 teeth.

    All it has to do is turn with the screw, no special precision needed, although it won't hurt any.
    1601

    Keep eye on ball.
    Hashim Khan

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    • #3
      Here ya go... 32 teeth/3* "angle" on the teeth
      http://bbs.homeshopmachinist.net/sho...threading+dial
      I have tools I don't even know I own...

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      • #4
        bmyers,

        If you want, I have an AutoCad drawing for a thread dial that uses the SB gear. I designed it for a different brand of lathe but the dimensions can be modified so it will fit on a SB. If you post or send me an email address I'll get it to you. It's in pdf format. I'll even show you how to make the markings very easily - no special tools either! It'll be a fun project for you. I'll also show you how to make the oil fitting at the top.



        Mike

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        • #5
          Mike
          I would appreciate a copy
          Thanks
          [email protected]
          Herm Williams

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          • #6
            Mike,
            email sent,
            thank you

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            • #7
              B:

              If you want to make one, more power to ya. However, Check w/ Joe B at Plazamachinery.com. He has loads of SB parts above/beyond what is listed on his website pdf.
              I bury my work

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              • #8
                Originally posted by Mike Burdick
                bmyers,

                If you want, I have an AutoCad drawing for a thread dial that uses the SB gear. I designed it for a different brand of lathe but the dimensions can be modified so it will fit on a SB.
                Mike
                Nice looking dial, Mike. What are the details behind the marking?

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                • #9
                  Herm and Brent,

                  I emailed you the information...If you don't receive it please let me know.

                  Thanks,

                  Mike

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                  • #10
                    I have to make one, I spend all my money just to buy the lathe

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                    • #11
                      What pitch gear would I need for a home made thread dial ?

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                      • #12
                        Go over to the PM site, look under the South Bend section for a thread "Thread Dial Kits, Any interest?" In that thread you will find every thing you need to know to make you own thread dial. Gary P. Hansen
                        In memory of Marine Engineer Paul Miller who gave his life for his country 7-19-2010 Helmand Province, Afghanistan. Freedom is not free, it is paid for with blood.

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                        • #13
                          Jr Threading Dial

                          The 9" SB Junior that I started with had a 16 tooth gear on the thread dial. The 9" Junior has much more in common with a SB 10L (heavy 10) than the more common 9" Workshop lathe.
                          Change gears are 16DP rather the the 18DP on the Workshop series.

                          -Mike

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                          • #14
                            Would a thread dial from an Atlas lathe work ? I see they are more available and affordable on ebay

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