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Thread: tornire una sfera

  1. Mar 19, 2022, 12:24 PM #1
    Massimo P
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    tornire una sfera

    Non ho una fresatrice, quindi ho dovuto assemblare e saldare tutti i pezzi.






    tornire una sfera-img_20200509_180800.jpgtornire una sfera-img_20200509_212415.jpgtornire una sfera-img_20200510_170355.jpgtornire una sfera-img_20200510_200254.jpgtornire una sfera-img_20200510_200406.jpgtornire una sfera-img_20200511_182326.jpgtornire una sfera-img_20200511_213303.jpgtornire una sfera-img_20200516_114833.jpgtornire una sfera-img_20200516_114844.jpgtornire una sfera-img_20200518_180842.jpgtornire una sfera-img_20200518_180846.jpg

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  2. The Following 6 Users Say Thank You to Massimo P For This Useful Post:

    Frank S (Mar 27, 2022), Jon (Mar 24, 2022), nova_robotics (Mar 21, 2022), Resident114 (Mar 27, 2022), RetiredFAE (Mar 21, 2022), Toolmaker51 (Mar 24, 2022)
  3. Mar 20, 2022, 04:57 AM #2
    DIYer
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    Thanks Massimo P! We've added your Ball Turner to our Machining category,
    as well as to your builder page: Massimo P's Homemade Tools. Your receipt:




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    Resident114 (Mar 27, 2022)
  5. Mar 24, 2022, 05:09 AM #3
    Toolmaker51
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    re Ball turning jig.......
    I appreciate your project, always interested in tooling related to lathe contour work.
    And this morning, found new thing to appreciate; self explanatory still (great step by step example) photos and shortest ever demonstration video.
    New precedent how to best present a 'build this' post.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...
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    Massimo P (Mar 24, 2022), Resident114 (Mar 27, 2022)
  7. Mar 27, 2022, 05:45 PM #4
    Resident114
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    Bravo,Massimo P!Molto grazie!I'll do this device as soon as I can.
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    Massimo P (Apr 2, 2022)
  9. Mar 27, 2022, 06:21 PM #5
    mklotz
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    There are other uses for a tool of this design...

    With a longer tool extension, the tool can turn concave depressions in a workpiece.

    To turn a true sphere the rotary axis of the tool must intersect the rotational axis of the lathe. By offsetting the tool axis, the tool can be made to turn ogives. Ogives are often the shape of a rocket nose cone. Some arrow points and propeller spinners use the shape as well.

    I discussed an incremental method of turning ogives here...

    How to turn ogives

    You may want to examine that discussion to understand the mathematics of the ogive.



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  10. The Following 3 Users Say Thank You to mklotz For This Useful Post:

    Frank S (Mar 27, 2022), Massimo P (Apr 2, 2022), Toolmaker51 (Mar 28, 2022)
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