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4"-14" Monster Pipe Vise - What is missing?

dalmatiangirl61

Subscriber
Last Subscription Date
07/10/2019
Found this monsterous pipe vise yesterday and had to have it, pretty sure it should have a big multi link chain as the strap, but having a hard time visualizing what to make for it, or even how it works. Anyone out there have a complete one and know how it works?

Second pic shows the lever on back side (as it was mounted on a bench), lever has a latch that catches on the small horizontal rod, moving lever moves that shoe thing on inside. Third pic shows groove in front for chain. Fourth pic is underside of front, chain would have a bar on end of it. What I'm not understanding is how the lever holds and tightens the chain.
 

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dalmatiangirl61

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Last Subscription Date
07/10/2019
I don't think so, but not sure:shrug:. Assuming one end of chain hooks to front, and circumference of 14" pipe is approx 46", when used on a 4" pipe there is going to be extra chain somewhere. Yet not seeing any way for that lever mechanism to grab and hold chain in order to pull it tight, I'll try to get more pics of that mechanism tomorrow.
 

Thaumaturge

In Memory Of
Age
68
Last Subscription Date
07/12/2019
What I've seen on other chain vises varied. Some have over long pivot pins in links that a set of hooked fingers capture. Others use a hooked dog that passes through roller links. Probably have better luck with second sort. I'd guess you'd need at least a #50 chain and maybe even up to #100 depending on desired clamping force. #50 shows 7100 lbs tensile strength, say 3 ton with overhead. #100 a whopping 19,450, but 0.75 pitch vs 0.625, so easier to fix strong enough grab through link.
Doc

Long pin type:


Hey! Regular chain clamp!


You could use regular load binder ends!
 
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Steve Kunz

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Last Subscription Date
07/10/2019
My Rigid pipe vise is made like this. The chain is attached to a threaded rod on one end, then the chain loops over the pipe and is hooked on the other side with the pins sticking out on each side of the links, the pins hook into notches in the vice. This allows for different pipe sizes by what link it is hooked in. Then use the swivel handle to tighten the nut up on the threaded rod pulling the chain tight.

I think mine goes up to 8" pipe. I got mine from the plant that I worked at when it closed. It is mounted on the end of a 4'x8' table made out of 1" thick steel top and heavy cast iron legs. On the other end it has a big regular vise mounted on it. There is no need to bolt the table down, it is so heavy it does not budge no matter how much you pull on it. I always say it is the best thing that I have in my shop.
 

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dalmatiangirl61

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Last Subscription Date
07/10/2019
RonM nailed this one, thank you! That company is about an hour north of here, at midnight, at least 2 during daylight hours. Only name I see on this one is KO, google search showed a KO oilfield supply in Houston (also in casting), but they just carry pipe today, guessing the line was sold/spunoff to Petol.

Decided to check youtube, now I know how it works!
https://www.youtube.com/watch?v=3AmYAV9yHvg

Petol calls it "special" chain, looks like plain old chain to me, guess I need to try a few sizes and see what will work.
 

ronm

Subscriber
Last Subscription Date
07/10/2019
The chain used for vises is not usually plain old roller chain like sprocket chain. No rollers, & the pins stick out the side. I have a Snap-on chain wrench with that style, the pins are what the hook grabs on to...
Kind of hard to tell how yours or the PETOL vise hooks the chain...
I think you're right about the PETOL being a descendant of yours, the model # is still 116...
 

Heins

Subscriber
Last Subscription Date
01/02/2020
I don't think D Girl's uses the chain that the pins stick out the side. She could make a chain if she had enough chain. She could take regular roller chain apart, take the rollers out, and put links back in. It would take a lot of links. It looks like her chain may be #80. Maybe larger.
 

dalmatiangirl61

Subscriber
Last Subscription Date
07/10/2019
Somewhere in the shop there should be a leftover piece of the chain used to replace the drive chain on the grader some years ago, and maybe even the old chain from grader. I'm kind of hoping that when KO built these they just used a plain roller chain, or at least some off the shelf style. Not sure I'm up to disassembling 30ft of chain to make a 60" length of chain.

Took a stroll thru scrapyard this morning and found the perfect base for a pedestal, no pic yet, hint is its a pretty close match to another one I built:brows:.

That special bolt used for attaching chain (in video above) had me wondering how I could make something similar without just machining from scratch. Somedays the scrap gods just shine on me, I found something real close that I think will work :)
 

Heins

Subscriber
Last Subscription Date
01/02/2020
I think Pat Barrett is correct, I think forklift masts use that type of chain.

80 chain is 1" center to center of pins, 100 chain is 1 1/4", and 120 chain is 1 1/2".
 

ronm

Subscriber
Last Subscription Date
07/10/2019
You can order chain separately from the vise according to the ad I posted. Being oil patch stuff, you probably wouldn't like the price...
I'm with you on disassembling roller chain to make leaf chain...damn, life's too short for that...
Did you look around where you found the vise real good? The chain might be laying around.
McMaster-Carr has it...
 

dalmatiangirl61

Subscriber
Last Subscription Date
07/10/2019
Yeah I looked around, but if it was laying on ground it would have been shoved into pile and quickly buried. This vise was still bolted to a massively overbuilt L shaped workbench, the top of bench was 24" I-beam with half of one flange cut off. If I needed a workbench, and weight was not an issue, it would have been nice one, it was cut to pieces this morning.

Not sure I'd pay for a new chain, but might call and see if I can get a price and maybe dig out some info on chain sizing. Hmm, maybe call a few forklift dealers and see if they have any "leftover" pieces or even a used section? Or maybe the scrap gods will smile on me this coming week?
 

ronm

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Last Subscription Date
07/10/2019
Judging by the working torque specs of those vises, a massive mounting arrangement looks like the thing to have...
I think you're on the right track with a forklift place.
 

CharlieB

Registered
Tong is now owned by Gearench.
They seem to be very secretive about the chain, except to call it "Special."
It's most probably one of the standard leaf chains made by Rexnord.
It's necessary to know the pitch length and the width of the Tong chain to determine if a given forklift hoist chain will work. The pitch determines whether the pawl (part #3 in the diagram) will properly engage the chain.

https://images.search.yahoo.com/yhs...mages/products/drwg-Tongvise.gif&action=click
 

Pat Barrett

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Age
71
Last Subscription Date
01/02/2020
Dal, If it turns out to be BL666 or BL844, I can get you a used piece of that. Would just need approx. length.
 

dkamp

eMail NOT Working
Somedays the scrap gods just shine on me, I found something real close that I think will work :)
A perfectly executed phrase of etheral wisdom. Every once 'n a while, I have to explain myself to someone, and the answer is "You see junk, I see raw materials". As in... "The sculpture was already in there... I just took away all the parts that kept you from seeing it"...

Yesterday, I was in need of a very odd sized pin-punch... needed to be almost a foot long, and just the right diameter to knock a pin out of a shaft coupling that was broken and stuck.

Just so happens that an old dot-matrix printer has rollers on hardened, chromed shafts about that long. 10 minutes at the dissassembly/recycling bench of taking one apart (separating metals from plastic, of course), and I was holding in my hand, four fine examples of said material. 45 seconds at the grinding wheel, with a round piece chucked in a cordless drill, and I had an absolutely perfect long-reach pin punch. Four whacks with a hammer, and I was back in forward progress mode.

If the price of the chain is out-of-reach, draw up a pattern for the link plates, with a hole size suitable for proper round stock, and carry the pattern into a job shop with a laser, and have 'em quote you on 30 or so... between that, and probably a couple broken axle shafts from a truck-shop junk bin, you'd have a chain. The block at the end, and that fancy nut... just a big, fine thread bolt and nut, with a suitably-shaped cone welded to the nut...
 

CharlieB

Registered
Dalgirl:
Spent a little spare time on Internet.
Not 100% sure, but I think the chain you need is 1" pitch (#80). I doubt that you'll be twisting any oilfield drill stems, so maybe #80 standard sprocket chain would be strong enough? If not, the BL844 chain offered by pat Barrett above might work. It's also #80 pitch.

Zero cost here.... The link below shows a standard chain side link. If you reduce the image to 90%, you have a pattern for a 1" pitch chain to check for fit on the vise. Wrong size? Resize the image and try again.

https://www.usarollerchain.com/Roller-Chain-Parts-s/4957.htm
 

Heins

Subscriber
Last Subscription Date
01/02/2020
The largest part of the inside link of the 80 chain is 15/16" in dia and the largest part of the outside link is 13/16" in dia.

The largest part of the inside link of the 160 chain is 1 15/16" in dia and the largest part of outside link is 1 15/16" in dia. It is 2" pitch.
 

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