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Pipe clamp slipping?

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Forum topic by 12strings posted 591 days ago 1214 views 0 times favorited 10 replies Add to Favorites Watch
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12strings

374 posts in 986 days


591 days ago

the movable part of one of my pipe clamps is slipping. It’s one I use a lot, could it just be worn out? or that spot on the pipe not grippy enough? any thoughts?

-- I'm strictly hand-tool only...unless the power tool is faster and easier!


10 replies so far

View teejk's profile

teejk

1207 posts in 1287 days


#1 posted 590 days ago

you don’t mention the brand but you could try to re-arrange the “clutch” plates (they come out pretty easy). or swap a few out of another fixture. if still not working, try new pipe (cheap, which defines me).

I’ve only owned Pony’s and I think replacement clutches are available…never needed to look and I’m guessing the cost with shipping would tell me to buy a new clamp.

View a1Jim's profile

a1Jim

112000 posts in 2179 days


#2 posted 590 days ago

Most of the time I see pipe clamp slip it’s because they have been put together with galvanized pipe. Black pipe is best because the galvanized coating isn’t there to come off .

-- http://artisticwoodstudio.com Custom furniture

View poopiekat's profile

poopiekat

3561 posts in 2337 days


#3 posted 590 days ago

Maybe if you got those eccentric toothed cam tailpieces, rather than the multiple-disc type, that’s what your problem is. They don’t bite into the pipe anymore after a while, and unless you’re willing to ‘sharpen’ them…they’re goners.

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

View RussellAP's profile

RussellAP

2938 posts in 889 days


#4 posted 590 days ago

Sand the pipe with some 40g with a ROS. Problem solved, for a while. Jim is right, buy the black pipe next time.

-- A positive attitude will take you much further than positive thinking ever will.

View lew's profile (online now)

lew

9951 posts in 2357 days


#5 posted 590 days ago

If they are Pony style, with the 3 separate gripping rings, take the movable section apart and reverse (flip over) the rings.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View waho6o9's profile

waho6o9

4752 posts in 1179 days


#6 posted 590 days ago

Vise grips work for me.

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12strings

374 posts in 986 days


#7 posted 589 days ago

Thanks for the advice. Unless Galvanized pipes are black, then I am already using black pipes…but the black stuff is scraped off in places.

Update: I took apart the clamps and removed the metal rings, which were gunked up with black stuff. I cleaned them and sanded them and the pipes a little to roughen them up. They hold great now!

(These 2 clamps are my “double-screw Face-vice,” which is why they get used so much)

-- I'm strictly hand-tool only...unless the power tool is faster and easier!

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12strings

374 posts in 986 days


#8 posted 492 days ago

Update #2…after about a week, the same clamp started slipping again. It may just be a bad clamp (Harbor Freight). It is black pipe, so I’ll probalby try once more to “sharpen” the clutch plates…if that doesn’t work, I’ll have to replace it.

-- I'm strictly hand-tool only...unless the power tool is faster and easier!

View woodbutcherbynight's profile

woodbutcherbynight

1236 posts in 1011 days


#9 posted 492 days ago

Take a small file and put some teeth in them after you sand with at least 40grit like RussellAP suggested.

-- Live to tell the stories, they sound better that way.

View poopiekat's profile

poopiekat

3561 posts in 2337 days


#10 posted 492 days ago

Oh, I get it, the reason is revealed in #8. Back when money was scarce, I drilled some 3/16” holes in the pipes and stuck a bolt through when the tailpieces couldn’t get the job done any more.

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

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