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Thread: Chucks
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9th November 2010, 08:43 PM #1Novice
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Chucks
Evenin' All..
Well with a little help from a Mate of mine yet another wee Hercus model ARM conundrum sorted yesterday evening, that being why the 8" 3 jaw chuck that came with it only 'appeared' to run true(ish)....sometimes
It came with 2 sets of jaws, with the inside gripping ones insitu when I got it...so when cleaning up all the bits n bobs including this chuck, I replaced them with the usual outside gripping ones, and any job gripped in em ever since spun less true than a dogs hind leg. It eventuates that the first land / thread on each of the jaws has been broken off and there is some damage on the gripping surfaces...I'd totally missed this...otherwise this chuck now spins nicely now that we tidied up the face plate it's attached to...be a shame to not to use it more routinely.
So question 1 without notice is: What are my chances of getting another set of jaws for this 8" Burnerd chuck, cira 1970 (at a guess)...bearing in mind both sets of jaws and the chuck have the same ID / serial numbers? Or are they repairable?
Question 2 without notice is: I also have a 6" 4 jaw chuck which I cannot use as the hex inserts that enable each of the jaws to move have been so damage I will have trouble getting each of the jaws out (presently bathing em with INOX)...are these damaged hex inserts replaceable?
Cheers Dick
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9th November 2010 08:43 PM # ADSGoogle Adsense Advertisement
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10th November 2010, 12:55 AM #2Member
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Evening Dick,
I had good dealings with Pratt Burnerd 25+ years ago in providing replacement jaw screws for a four jaw. Pratt Burnerd International - Products - Manual Chucks
Might be worth a try with the three jaw too.
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10th November 2010, 03:33 PM #3
Re parts for Burnerd chuck.
I have a 4 jaw chuck which was acquired with a broken screw - the 600 group were able to a supply a replacement -- cost a bit. My chuck still had the model number information on it indicating it was a 1970's vintage item -- but armed with the magic numbers the process was completed in a phone call.
I have heard others say a set of jaws is extremely costly but until you ask...
All the best with the chasecheers
David
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A society grows great when old men plant trees whose shade they’ll never sit in. (Greek proverb)
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10th November 2010, 09:13 PM #4Novice
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Evenin' Chaps...
Ta for that, I will pop of a note to 600 group tomorrow...thank you
Cheers Dick
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