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Do I Need A Collet Chuck?

Discussion in 'A BEGINNER'S FORUM (Learn How To Machine Here!)' started by minions, Aug 10, 2016.

  1. minions

    minions United States Active Member Active Member

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    Ended up going with a d1-5 bison collet chuck. Run out is at about .0002 measured with a drill rod, and body concentricity is at .0003 versus the Accusize chuck from eBay-> .002 and .013, respectively. Huge difference. Decided to stick with a 5C chuck since I already had a set. Thanks all for the input.
     
  2. TakeDeadAim

    TakeDeadAim H-M Supporter - Premium Content H-M Supporter-Premium

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    I have a Gator 5C chuck and backing plate which works well on my 40003G Lathe. You might want to check with Global Tooling Solutions at; http://www.gts-tools.com/5c-collet-chucks.html

    Ask for Karl, he should be able to get you set up. The backing plate gets machined on the lathe and the chuck sort of press fit onto the ring on the backing plate to ensure it repeats its zero when you mount and re-mount. I marked one of the cam locks and the backing plate so I would be able to re mount each chuck, 5C, 3 jaw set tru and 4 jaw on the same spot on the spindle nose each time. Consistent procedure has given consistent results.
     
  3. bfd

    bfd United States H-M Supporter - Premium Content H-M Supporter-Premium

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    with a 5mt spindle you can buy a hardened and ground 5-c collet adapter. the company I got mine from is called jkf tooling. its on santa fe street in los angeles. its been years since I dealt with them they will ask for the large end id of the spindle an will send you the adapter to try it in your lathe if it fit then pay or send it back and tell them you need larger or smaller try it if it fits pay. bill
     
  4. firestopper

    firestopper H-M Supporter - Premium Content H-M Supporter-Premium

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    After 15 years of not owning a 5C collet system, I was educated on the 5C chuck with true-set. I purchased a 65 piece collet set for around $200 and was pleased with quality and TIR. I found this to be an awesome addition to the lathe and used it more than I ever thought. Like mksj stated, they have a narrow clamping range but with a full set, I have yet to find one that doesn't work. Very happy with the system and its one of those "I can't believe it took so long to buy one" moments, I don't look back. Especially for multiple pieces and operations.
     
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  5. T Bredehoft

    T Bredehoft Active User H-M Supporter-Premium

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    After reading all these uses for Collet Chucks, etc., I remembered from my Apprenticeship Days, one more job I had. We had a (relatively) small Harding lathe with a collet closer set up. I spent most of one afternoon making 8-32 by 3/16 set screws into dog point set screws. Never shut the spindle down, it was "stick the set screw in the collet, close the collet, turn the dog point, (one pass) open the collet, take out the old one, put in a new one, repeat." I find I still have perhaps a dozen of them, just in case. These set screws were used to keep gripper inserts from turning when they were screwed into a pocket.
     
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  6. Mikesal

    Mikesal United States Iron Registered Member

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    I just ordered a 5c collet from CDCO for my Enco 13 x 40, but they shipped the wrong one (with a treaded mount adapter instead of the D1-4 I requested). As soon as the correct one shows up I'll have a better idea of the quality.
    Mike S
     
  7. Mikesal

    Mikesal United States Iron Registered Member

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    I had time to piddle with my new 5C collet chuck. First off, if you've used a collect closer that has the handle (sorry for not knowing the correct terms for stuff) at the back of the lathe, you will not like the collet chuck.....it takes a long time to "wind" the collet into the chuck.....maybe a cordless drill & a square driver can speed it up). It seems to take too many "turns" to loosen the stock to swap in a new piece (when making multiple parts) too.
    Just my opinions so far.....we'll see after I've had reason to use it seriously on a project.
    Mike Sal
     
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  8. bss1

    bss1 United States H-M Supporter - Premium Content H-M Supporter-Premium

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    Mike

    I understand your issue. Search for a thread titled speed handle chuck key posted by MKSJ. He made a simple speed handle that really works well.
     
  9. Bill Gruby

    Bill Gruby United States Global Moderator Staff Member H-M Supporter-Premium

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  10. bss1

    bss1 United States H-M Supporter - Premium Content H-M Supporter-Premium

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    Thanks Bill, that's it. Seriously this speed handle is really the ticket. If you have one of these collet chucks I recommend you run not walk to the shop to make one of these. It's a big improvement over the T handle for sure. Mine is a snug fit in the socket which seems to help keep it engaged while spinning the handle to draw the collet in or in reverse to eject it.


    Sent from my iPad using Tapatalk
     
  11. BGHansen

    BGHansen United States H-M Supporter - Premium Content H-M Supporter-Premium

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    Like your idea. I've got a POTD posting (link is below) for making a cordless drill arbor for my 5-C collet chuck. Yeah, by hand it takes around 20 full turns to tighten a collet. I used a 3/8" square drive to 1/4" hex commercial socket adapter and mounted it in a 5-C collet which was held in a square collet block. Knocked down all 4 sides on my surface grinder to whatever the metric square hole is in the chuck. Works great.

    Bruce

    http://hobby-machinist.com/threads/...in-your-shop-today.14637/page-188#post-355922

    upload_2017-1-14_11-55-39.png
     
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  12. British Steel

    British Steel United Kingdom Active User Active Member

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