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Clamp pad adhesion?

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Forum topic by eflanders posted 03-02-2018 06:04 PM 337 views 0 times favorited 8 replies Add to Favorites Watch
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eflanders

301 posts in 1878 days


03-02-2018 06:04 PM

Topic tags/keywords: clamp pads jig tip question clamp joining

Have any of you semi-permanently attached your pads to your bar clamps?
How did you do this?

I’m getting a little tired of constantly putting my wooden pads on my bar clamps. It adds time and is a bit of a nuisance as I have several different clamp designs that need different pads accordingly.
Thanks in advance folks!


8 replies so far

View Ripper70's profile

Ripper70

1025 posts in 936 days


#1 posted 03-02-2018 06:16 PM

I use these stick on furniture pads on faces of my pipe clamps. A little dab of CA glue provides some extra adhesion.

-- "You know, I'm such a great driver, it's incomprehensible that they took my license away." --Vince Ricardo

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GR8HUNTER

4007 posts in 740 days


#2 posted 03-02-2018 06:18 PM

silicon does NOT WORK DAMHIK :<)) will be watching this thread carefully

-- Tony---- Reinholds,Pa.------ REMEMBER TO ALWAYS HAVE FUN

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eflanders

301 posts in 1878 days


#3 posted 03-02-2018 06:21 PM

How would double sided (carpet) tape work?

View Ripper70's profile

Ripper70

1025 posts in 936 days


#4 posted 03-02-2018 06:23 PM



How would double sided (carpet) tape work?

- eflanders

This stuff is the best I’ve come across.

-- "You know, I'm such a great driver, it's incomprehensible that they took my license away." --Vince Ricardo

View CaptainKlutz's profile

CaptainKlutz

284 posts in 1522 days


#5 posted 03-04-2018 11:57 AM

My harbor freight 3/4 pipe clamps have 2 holes in the clamp pad that can be used to mount a pad?
I cut some 1/2 thick blocks from some misc soft wood, and used recessed flat head self tapping screws to attach the wooden blocks to cast iron. Little wax on pads to stop any glue issues.
Only challenge with hard mounted pad is if Magilla Gorilla tries to clamp down too hard, pad will crack across the screws. Softwood lasts longer than hardwood (which works one time).

These HF clamps are pretty decent. Only defect I found is that ~30% need the face of clamp touched up with a file to make the faces parallel and create flat spot for my wood pads, but otherwise they work like any other pipe clamp.

Tried to use adhesives, but none work well for me? Problem stems from the bending moment of the pipe as pressure is applied, and the face of clamp moves out of parallel with edge of wood. The pad basically moves during the clamp up, and then fall off when removed. Even with careful grinding of clamp face, to make things flat/parallel didn’t help adhesive pads.

BTW – Over time I reduced my use of individual clamp pads? Most of my assembles using pipe clamps use many clamps and often use a 2-3 wide clamp pad the length of assembly to spread out force (or a curved cull) to reduce number of clamps needed.

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

View Kelster58's profile

Kelster58

670 posts in 568 days


#6 posted 03-04-2018 01:05 PM

lol…..I do this and wasn’t sure it is a sign of a good craftsman so i keep quiet about it…..I epoxy pads that constantly fall off onto my clamps. If a pad gets beat up I replace it. I find replacement pads on Amazon.

-- K. Stone “Tell me and I forget, teach me and I may remember, involve me and I learn.” ― Benjamin Franklin

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eflanders

301 posts in 1878 days


#7 posted 03-04-2018 02:59 PM

Well folks I decided to try double sided carpet tape as I had some on hand. Ivery been using 1/4” thick stock for pad material for years as it allows me to use full capacity of the clamp. Friday I glued a large headboard 60”× 81” using the taped on pads and I was pleased with the results. I do see if I’m not careful I might knock one of the pads off, but that is only a possible issue at this point. Thanks for everyone’s help!

View woodworm1962's profile

woodworm1962

145 posts in 128 days


#8 posted 03-04-2018 07:24 PM

I have a dozen or so spring clamps in my shop half of them are WAY TOO STRONG! I had a small sheet of rubber one would use in plumbing. I cut them a tiny bit bigger than the PAD on the clamps and epoxied them on. Works great for me.

Nothing worse than getting a deep mark/dent on your project fro ma clamp

-- No one likes the truth...

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