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Thread: Dead Length Collet Chuck ?'s

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  1. 03-08-2010, 09:57 PM #1
    Crashmaster
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    Dead Length Collet Chuck ?'s

    In the process of buying a new Mazak Lathe. We have the option of Either a pullback collet chuck, (which is all we've ever used) or for 1200 bucks more a dead length collet chuck. Is it worth the extra $? What are the advantages?
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  2. 03-08-2010, 11:08 PM #2
    littlerob
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    I find them very accurate especially if you use a pick off spindle tenths on OAL. If you use a sub spindle I would definitely consider it. for that.

    My 2 Robert
    The beaten path, is exclusively for beaten men.
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  3. 03-08-2010, 11:15 PM #3
    lyfordln
    lyfordln is offline *Registered User*
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    The main reason for a "Dead Length" Collet Chuck is to take pressure off the barfedder when you close the chuck as the collet does not m0ve backward. Also, if you use it as a chucker, the parts will be more accurate in length, as it will not be materially affected by variations in diameter
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  4. 03-09-2010, 04:37 AM #4
    BYTHEBOOKBOB
    BYTHEBOOKBOB is offline Registered
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    Crashmaster,

    I'd spring for the dead length. Much more accurate. We have had great results with 16C versions from Royal.

    Good luck,

    Bob
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  5. 03-09-2010, 04:16 PM #5
    Crashmaster
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    Well you guys sold me on it. Dead Length it is. Thanks for your thoughts!
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