home made 5c chuck done! - Page 2
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  1. #21
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    I don't mean for this question to detract from the finished collet chuck at all. The sheer fact that you were able to design it is a feat unto itself. But I am unable to find the answer in any book I own. Why a collet chuck instead of a collet adapter/drawbar assembly? What advantage does it give you?

  2. #22
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    WOW. that's amazing.

  3. #23
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    Jeff, that is very very cool. If I ever made something that nice, I'd be proud and post pictures too. Thanks for sharing it with us.

    John

  4. #24
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    Very,very nice!
    THe standard of excellence bar is raised!!

  5. #25
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    Unbelievable, very impressive. thanks for sharing.

  6. #26
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    That's beautiful. You need to start cranking those out.

  7. #27
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    Thanks again everyone.Showed my wife the responses and she said it must be a guy thing.Kinda like them showing off a sewing project to the girls I guess.

    Peter S ..The large outer handwheel rotates around the body.There is a gear inside the handwheel that turns the small gear that is between the outer and inner gear.The smaller gear then turns the center gear which has been threaded to fit the 5c collets.
    When you push a collet into the chuck and turn the handle it spins the middle gear and it threads onto the collet and then pulls it into the taper seat of the chuck.Simple.

  8. #28
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    Very cool! You have an O ring in there as well? Is that to keep stuff from getting to the gears or to keep the handle from loosening?

    Your efforts are impressive. All too rare in this day and age.

    I too get the "I'm glad you like your work dear..." And my wife is an engineering professor!

  9. #29
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    The o-ring was put in there to keep slight pressure on the handwheel so it didnt rattle.There was a tho clearence and I figured that it would make some kind of noise without it.

  10. #30
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    Outstanding work, work of art actually. Its one thing when a company spits out these type of tools with a CNC turning center. Whole nother issue when its been "free handed" conventionally.

    Curious....Was the center gear hardened and you threaded it or did you press in a sleave for threading. JRouche

  11. #31
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    Very clever design! I have the same question as JRouche -- did you make a sleeve that was 5C threaded on the inside, and mated to the planetary gears on the outside, or did you modify the center gear from the automatic transmission?

  12. #32
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    Very nicely done, J. Outstanding work [img]smile.gif[/img]

  13. #33
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    Yes the gear was hardened so I bored it and pressed in a sleeve.It was chamfered on the back side and then I brazed it in.Thanks. Jim

  14. #34
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    J. King,

    Very well thought out and great craftsmanship! I know a lot of people will be copying this. Thanks for posting.

  15. #35
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    Fantastic work. And yes I am going to say it. You should have written this project up and submitted it to one of the magazines. Seeing that this is so much better than everything else they have published in the past two years.

  16. #36
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    Two things:

    Gorgeous! As above, as all have said. Really nice. It is too seldom we see an effort towards aesthetically pleasing forms in modern machinery.

    The 3 vs 4 planetary gears thing didn't work because of a fundamental rule of gear math that says the ratio must be evenly divisible by the number of planets.* That's why it worked for three but not four. So your machining is probably just perfect; no mistakes.

    Doc

    *Or something. I'm having trouble phrasing that concisely. AFAIK it makes no matter where on the planetary centers circle the planets are placed.

  17. #37
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    Superb! Looks sweet hanging on that 10ee.
    Mike

  18. #38
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    Impressive job.

  19. #39
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    Bloody, Bloody SUPERB!!
    Congratulations, now make one for me!
    Croz

  20. #40
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    What transmission donated the parts?


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