threads

  1. B

    Improved Version: TPI, Feeds, X-Feeds: Generalized Lathe TPI Excel file: "TPI_ManyLathesRev1 N430_1600"

    Re: Improved Version: TPI, Feeds, X-Feeds: Generalized Lathe TPI Excel file: "TPI_ManyLathesRev1 N502_1630" Edit: I re-attached the files. I found a small limitation in the way the macros were written and I have fixed it. See the posting below this one explaining this. Hi Folks, I will...
  2. T Bredehoft

    Threading, Atlas/clausing Mk2

    OK, I need help. I'm trying to make an ER40 collet holder to screw on the spindle. I'm to the point of chasing 1" x 10 threads. The first three passes were OK, then things started going wrong. I finally realized that the lead screw was shifting to the right as I engaged the half nut, giving me...
  3. Dimitrislma

    [How do I?] Some Help On Threads

    Hi everyone, i just bough an old lathe, i guess it should be around 1950 manufactured, and i cannot figure out the threads on the spindle. I need to make a new back plate for my new chuck but i don't have the treading gears so i need to identify them so i could machine 2 back plates(the boss...
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