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


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Old 03-28-2019, 11:43:42 PM
dalmatiangirl61 dalmatiangirl61 is offline
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Default 4"-14" Monster Pipe Vise - What is missing?

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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Old 03-29-2019, 01:27:29 AM
cobbadog cobbadog is offline
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Default Re: 4"-14" Monster Pipe Vise - What is missing?

Would your lever pull the chain tight by going ''over centre'' like a chain dog used on a truck?
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Old 03-29-2019, 03:12:43 AM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: 4"-14" Monster Pipe Vise - What is missing?

I don't think so, but not sure. 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.
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Old 03-29-2019, 04:09:56 AM
Thaumaturge Thaumaturge is offline
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Default Re: 4"-14" Monster Pipe Vise - What is missing?

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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Old 03-29-2019, 09:00:32 AM
ronm ronm is offline
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Default Re: 4"-14" Monster Pipe Vise - What is missing?

Oil field "tong vise"...

http://www.wrenchouse.com/vises/

4"-14" is the next to the smallest size...
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Old 03-29-2019, 10:43:29 AM
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Steve Kunz Steve Kunz is offline
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Default Re: 4"-14" Monster Pipe Vise - What is missing?

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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