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Author Topic: came out of a lot of Machinist tools  (Read 2473 times)

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Offline swervncarz

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came out of a lot of Machinist tools
« on: August 18, 2014, 09:02:09 AM »
This came out of a lot of Machinist tools but I'm not sure what it is

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Offline Bill Houghton

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Re: came out of a lot of Machinist tools
« Reply #1 on: August 18, 2014, 10:24:02 AM »
Do all the jaws move at the same time?  Looks like something designed to hold rod of varying sizes within its range, quickly adjustable.  Milling machine fixture?
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Offline swervncarz

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Re: came out of a lot of Machinist tools
« Reply #2 on: August 18, 2014, 10:38:03 AM »
Yes they do move at the same time
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Offline EVILDR235

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Re: came out of a lot of Machinist tools
« Reply #3 on: August 18, 2014, 12:57:31 PM »
A 3 jaw chuck. How big is it ?

EvilDr235
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Offline swervncarz

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Re: came out of a lot of Machinist tools
« Reply #4 on: August 18, 2014, 01:15:03 PM »
1/2" opening
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Offline Billman49

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Re: came out of a lot of Machinist tools
« Reply #5 on: August 19, 2014, 04:23:20 AM »
This type of small 3 jaw chuck is often found on small clockmaker's lathes - the fixture looks to have an indexing feature (the button on the side) allowing it to be used on a small mill to machine a round rod or component with a number of faces... Strip it down and see if there are holes in the circumference of the mounting bush....
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Offline JohnD

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Re: came out of a lot of Machinist tools
« Reply #6 on: August 22, 2014, 11:16:22 AM »
The green paint makes it look like an accessory for a Unimat lathe. Maybe a rotary milling attachment. Worth lots $$ on eBay!
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