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Homemade Thread Dial

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  • Homemade Thread Dial

    I hope I can paste these picture in here. I made this thread dial instead of buying one for $100. It took about $10 worth of steel and a couple of rainy days in my workshop. I cut the gear straight not at an angle and did not hob it but file the tops of the teeth to engage the leadscrew easier. Plans from a 1941 Popular Science article showing how to make fixture to cut gear made the difference. The housing was about .125 too long and I had to shave it off with my new HF miller. It works like a boughten one. And it wasn't hard to do. Next I will make a Steadyrest instead of paying the bandits $150. Thank you , Boot <a href="http://s750.photobucket.com/albums/xx142/Boot-010/?action=view&current=DSCF0857.jpg" target="_blank"><img src="http://i750.photobucket.com/albums/xx142/Boot-010/DSCF0857.jpg" border="0" alt="Photobucket"></a>
    Last edited by Boot; 06-12-2010, 08:01 PM.

  • #2
    Here ya go but you should size your pics down some to post in here





    Ernie (VE7ERN)

    May the wind be always at your back

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    • #3
      Thank you Dockrat

      Originally posted by dockrat
      Here ya go but you should size your pics down some to post in here





      Sorry I messed that up. I didn't seem to have as much trouble the last time I posted a picture. I'll try harder next time . Thankyou again , Boot

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      • #4
        Now it's my turn to hit "QUOTE" and post the pictures for the fourth time.

        Nice work!
        Mike
        WI/IL border, USA

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        • #5
          Good One!

          Really good result boot!

          Is the info for thePopular Science fixture online, or did you have the article?

          Rgds
          Michael

          Australia

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          • #6
            looks very good - way to go
            Last edited by Mcgyver; 06-12-2010, 10:44 PM.
            .

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            • #7
              On-line

              Originally posted by miker
              Really good result boot!

              Is the info for thePopular Science fixture online, or did you have the article?

              Rgds
              I got the plans from the Pop Sci Archives online. They were in the November 1941 magazine article. I modified somethings to make it easier. I made the dial from two pieces instead of cutting a 1 5/8 cr shaft down to 1/2". Made the outside housing the length required which was about 1/8" too long . Overall length for my lathe was given as 3" It should have maybe been about 2 7/8". Someone over on the Practical Machinist site pointed me to the plans. Gary Hansen I believe. I would also have made the gear from brass or al if I had it. Of course the steel gear will hold up longer if I let it engaged all the time. I won't for fear of wear on leadscrew.

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              • #8
                Very Nice work... thanks for sharing.

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                • #9
                  awesome job Boot, looks professional.

                  Jim Doherty

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                  • #10
                    I was under the impression you were new to all this maching stuff and I thought you were nuts to undertake the project! Guess you showed me and anyone else with doubts! Great job and look forward to seeing your other projects.
                    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                    Thank you to our families of soldiers, many of whom have given so much more then the rest of us for the Freedom we enjoy.

                    It is true, there is nothing free about freedom, don't be so quick to give it away.

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                    • #11
                      Not new to machines.

                      Originally posted by Your Old Dog
                      I was under the impression you were new to all this maching stuff and I thought you were nuts to undertake the project! Guess you showed me and anyone else with doubts! Great job and look forward to seeing your other projects.
                      I worked in a machine shop for 37 yrs. I started as a Machine Operator and ended up when the place closed as a "A" Machinist class in a union shop. I ran everything up to and including CNC vertical turret lathes with 60" tables and 12 station tool changers to a Mazak 6 table VMC. We had a Vertical Boring mill I ran that had a table/chuck of 13 feet in diameter made for Simmons of NY by Checs. I could drive a truck on it clamp it to table and cut it in half. We made parts for chemical and food centrifuges and also sewage treatment plants. Big stuff. Company was Dorr-Oliver Inc of Stamford , Ct. I also worked at Foster Wheeler for a while making boilers for ships and nuclear power plants. I making the steady rest for my lathe right now. Rainy days project. Boot

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