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Square stockI was wondering if there is a safe and accurate way to chuck up a peice of square stock in a 3 jaw...this thread has 6 replies and has been viewed 425 times
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#1
10-25-2009, 06:49 AM
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Square stock
I was wondering if there is a safe and accurate way to chuck up a peice of square stock in a 3 jaw chuck? Need to turn a small peice about 1" in diameter.
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#3
10-25-2009, 09:39 AM
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Re: Square stock
make a sleeve that just slides over the square stock and then saw thru one side to split it. chuck on the sleeve
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The Following 5 Users Say Thank You to joneg:
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#5
10-25-2009, 01:23 PM
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Re: Square stock
joneg,
brilliant, easy idea. Thanks Jeff
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#6
10-25-2009, 02:02 PM
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Re: Square stock
Make your sleeve with at least 1/4-3/8 wall thickness so you can tighten the 3-jaw securely without distorting it. 1/2 inch thick would be better yet.
Bore it so your square stock barely fits in on the points and then take a light cleanup pass on the OD before you take it out of the chuck to make sure it's concentric to the ID if you want your square stock to run true. If the piece of round stock is already cut to length so you can't bore & turn in one setting, then take a punch and put an alignment mark at jaw #1 so you can get it back in the same alignment every time. If you have .005 runout in your chuck and you rotate the sleeve 1/2 a turn from where you bored it you will end up with .010 runout in your square stock !
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The Following User Says Thank You to OTTO-Sawyer:
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#7
10-25-2009, 10:42 PM
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Re: Square stock
Get a four jaw chuck. In the long run you will be glad you did.
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Neil Peters Phoenix/Tonopah AZ When hunting, a broken part is better than no part at all. 
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