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View AndrewBarron's profile

Tool Chalenge! WTF is this?

by AndrewBarron
posted 08-16-2017 03:48 PM


19 replies so far

View Loren's profile

Loren

10396 posts in 3647 days


#1 posted 08-16-2017 04:08 PM

Milling table of some sort perhaps. The groove
would catch oil used in cutting.

View AndrewBarron's profile

AndrewBarron

2 posts in 283 days


#2 posted 08-16-2017 04:11 PM

I don’t think so. Zoom in on the picture and you will see a series of lines running tangential to the centre with gradient marks from 1 to 75 (outside to in). There is 16 marks per ‘ring’. I’m thinking some sort of scribing tool? Or possible a spring gauge?

View pintodeluxe's profile (online now)

pintodeluxe

5660 posts in 2812 days


#3 posted 08-16-2017 04:13 PM

Looks like an old drill press table.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View Aj2's profile

Aj2

1389 posts in 1797 days


#4 posted 08-16-2017 04:35 PM

Looks like a faceplate to a lathe special made for a top secret operation.

-- Aj

View Fred Hargis's profile

Fred Hargis

4986 posts in 2492 days


#5 posted 08-16-2017 06:10 PM

I’ve seen milling plates designed to make gears that had such markings. That allowed the operator to rotate the piece exactly the correct distance to cut the next tooth in the gear. I think it may have been called a “rotary table”.

-- Our village hasn't lost it's idiot, he was elected to congress.

View AlaskaGuy's profile

AlaskaGuy

4136 posts in 2308 days


#6 posted 08-16-2017 06:32 PM

F if i know

-- Alaskan's for Global warming!

View Gene Howe's profile

Gene Howe

10479 posts in 3428 days


#7 posted 08-16-2017 06:46 PM



F if i know

- AlaskaGuy


Ditto

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View MrUnix's profile

MrUnix

6715 posts in 2198 days


#8 posted 08-16-2017 07:03 PM

Looks vaguely like the scroll wheel for a lathe chuck. But the graduations marked along the spiral start at one and work their way along the spiral up to seventy something… so perhaps an index pin runs along the spiral and moves the opposite end a fixed amount that is roughly measured on the spiral… otherwise, I got nothing :(

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

View msinc's profile

msinc

384 posts in 503 days


#9 posted 08-16-2017 08:46 PM

Removable middle of a router table???? Looks like you might bolt the router to it and drop both down into the cutout in the middle of the table…kind of like my Bosch only it is square. Some older routers had a four bolt pattern on the bottom plate instead of three like the new ones.
When in doubt…throw it like a frisbee. One thing about it…if you don’t figure it out soon you don’t need it. I have gone 55 years without whatever the darn thing is and I cant see needing one if I happen to live another 55!!!!

View mudflap4869's profile

mudflap4869

1736 posts in 1458 days


#10 posted 08-16-2017 09:05 PM

A round tuit?

-- Still trying to master kindling making

View TungOil's profile

TungOil

936 posts in 494 days


#11 posted 08-16-2017 09:07 PM



A round tuit?

- mudflap4869


I thought that at first, but I believe it to be a spiral framitz.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

View DS's profile

DS

2917 posts in 2419 days


#12 posted 08-16-2017 09:20 PM

Looks like a back plate for a four jaw chuck.
At least it resembles the one I have (Mine is only 4” diameter though).

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

View papadan's profile

papadan

3584 posts in 3367 days


#13 posted 08-16-2017 11:02 PM

Andrew, I do believe you owe mudflap a cigar, he has the best answer to this thread! ;-)

View runswithscissors's profile

runswithscissors

2751 posts in 2024 days


#14 posted 08-18-2017 04:05 AM

msinc: You say you have never needed this thing in 55 years of woodworking. But are you sure about that? Think back to the times when you didn’t have quite the right or best tool for some task. So you had to improvise or make do with something that was not quite suitable. Well, this is the tool you needed at those times. Could have been as recently as last week.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View MrRon's profile

MrRon

4770 posts in 3243 days


#15 posted 08-18-2017 07:32 PM

I believe it is a dividing plate used on a rotary table for gear cutting on a milling machine.

View Sparks500's profile

Sparks500

171 posts in 330 days


#16 posted 08-18-2017 09:55 PM

Put it in a lathe and run it veeeeerrrrrrrryyyyy slow…... You’re getting sleeeppyy….sleepppyy. Now, send all you money and tools to me…......

-- A good day is any day that you're alive....

View BustedClock's profile

BustedClock

128 posts in 2521 days


#17 posted 08-19-2017 04:27 AM

Dilithium bracket end for series 2817, type VIII warp-core engines.

-- Hey, I'm usually right twice a day! Except where they use 24 hour clocks.

View msinc's profile

msinc

384 posts in 503 days


#18 posted 08-19-2017 12:03 PM



msinc: You say you have never needed this thing in 55 years of woodworking. But are you sure about that? Think back to the times when you didn t have quite the right or best tool for some task. So you had to improvise or make do with something that was not quite suitable. Well, this is the tool you needed at those times. Could have been as recently as last week.

- runswithscissors

You know, you are probably right!!! In fact I could have used it yesterday…I had a Craftsman router {old, but I really liked it} blow up on me. No B.S., it blew apart under the table. The entire armature went spinning across the shop floor like a top!!! I could have used this thing to shield a few body parts I had rather not loose…..turns out I only got a little cut out of the whole ordeal. I think I was lucky.

View Richard Lee's profile

Richard Lee

121 posts in 774 days


#19 posted 08-20-2017 12:06 AM

The spiral or phonograph groove is there to let the coolant or cutting fluid run out, looks like a backing plate or plate for a dividing head.
It could also be used as a lapping plate. Is it cast iron?

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