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Old May 15, 2012, 03:05 PM   #1
saands
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Any idea what I just "bought?"

I picked up a couple of sine bars in an e-bay auction with almost no activity. There were 5 pieces in the lot … 2 really nice sine bars that were definitely worth the 10 bucks I gave for the whole lot, 1 silly beat-up gage block that will end up being used as bar stock for something (unless it ends up being fully hard) and a pair of identical widgets that are a total mystery to me.



Does anyone recognize what they are from the attached photo? They are 4 inches long and 0.812”x 0.687” … the surfaces are finely ground and almost sharp on the long edges. There is also a through hole on one end (visible on the left, in the recessed area) and the only marking is the word CLAYTON ... also in a recessed area. These came covered in their original wax, so whatever they are, they are pristine.

Thanks in advance!

Saands
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Old May 15, 2012, 03:49 PM   #2
Don P
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Widgets with groves in them in black
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Old May 15, 2012, 03:59 PM   #3
saands
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Well ... I have to admit that I was prepared for a little humor in response ... a person has to be able to take that which they dish out

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Old May 15, 2012, 04:23 PM   #4
Edward429451
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It looks suspiciously like a 6 cavity mould block (1/2), pre-machining.
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Old May 15, 2012, 04:47 PM   #5
Chris_B
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Sometimes we'd get certain dial gauges etc that came with blocks similar to that. It would be sort of a kit with the gauge, a multi-point arm, and the block with a through-hole for semi-permanent mounting. We used them when building hybrid mechanical systems
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Old May 16, 2012, 07:51 AM   #6
dahermit
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All I see is a "Vee" Block. What is the great mystery? A very common piece of equipment to hold round stock when machining.
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Old May 16, 2012, 08:33 AM   #7
animal
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V -block was my thought at first glance too … but the picture looks like the channels aren’t machined to hold a clamp and the cuts that would be "V" aren’t deep enough to hold much of anything. Important surfaces are the flats, imo
Dunno what they’re for … but with 2 in 11/16 x 13/16 x 4" … might be handy as super-duty parallel bars, especially in a 1" deep vise ,,, ?
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Last edited by animal; May 16, 2012 at 08:41 AM.
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Old May 16, 2012, 08:40 AM   #8
Jim Watson
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I think that is what they are, parallel bars to block smaller work up in a mill vise. Even if they were made for some other use, you can certainly USE them for that.
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Old May 16, 2012, 09:19 AM   #9
saands
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Yep, the recesses aren't deep enough (or finished enough) to use for anything remotely precise ...

I totally agree that they will be useful as parallels and they can be used in either orientation in that function. I just didn't want to look completely stupid for using some elegant tool as a parallel just because I didn't bother to ask what I had ... it would be like using a sine bar as a parallel!

Thanks all,

Saands
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Old May 16, 2012, 09:38 AM   #10
animal
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Picking up something for nothing off ebay, and using it how you feel like
doesn’t make you look stupid…

makes you look CHEAP !

I can dig it ..
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Old May 16, 2012, 09:43 AM   #11
saands
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Quote:
Picking up something for nothing off ebay, and using it how you feel like
doesn’t make you look stupid…

makes you look CHEAP !
Well ... the fact of the matter is that I AM cheap, so I guess I shouldn't worry about it
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Old May 16, 2012, 11:38 AM   #12
BoogieMan
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How about stops to go in your bridgeport or other machine table. I think Bridgeport is 5/8 but I am pretty sure my TOS is 11/16.
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