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Cam Clamps

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Project by Jim Jakosh posted 05-09-2019 03:04 AM 1070 views 10 times favorited 26 comments Add to Favorites Watch

Last Saturday, LJ Kposty and I went to the Great Lakes Woodworking Festival in Adrian, Michigan. They had a lot of demonstrations, vendor booths and hands on use of woodworking tools for beginners. In the tool building, Lie Nielsen had a booth with all their tools and one of them was a cam clamp. I could see a use for it because I always need a clamp with a deeper throat for glue ups and these can be made to most any dimension as long as the material will take the load. I made a sketch and came home and made two styles.

The first one is a one piece body made from Osage Orange and with an aluminum bar with a brass stop in the end of it. I cut the slot for the cam with a router bit in the mill and cut the slots for the bar with the scroll saw and found that blade was not in good shape and it made a couple ugly holes… but I made them work. It is slightly mis-alligned but it clamps just fine. It has a 6” throat and clamps up to 8” wide. I used 1/8” roll pins to hold the bar in , for the cam pivot and at both sides of the bar slot for a bearing for the bar and to keep the wood from splitting. Lie Nielsen did the same.

The second one is made from cherry ( just because I had a couple pieces of 3/8” cherry already planed and waiting to be a clamp!! It is a 3 piece body and I like this one better because it is easy to make and I may take the plan to school for a shop project next fall. It is also an 8 ” clamp with a 6” throat. I see the roll pins dent the cherry pretty easily but it holds in any position.

The bodies are 1 1/8” x 1 1/2” by 8 1/4” long. The aluminum bar is 1/4” x1 1/8” The cherry bar is 3/8” x 1 1/4”

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!





26 comments so far

View woodbutcherbynight's profile

woodbutcherbynight

5974 posts in 2945 days


#1 posted 05-09-2019 03:23 AM

NICE!!! Just bought some more clamps and finally filled all my new holders to max capacity. For now!!!

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

View andre4691's profile

andre4691

139 posts in 689 days


#2 posted 05-09-2019 04:14 AM

хорошо нужная вещь

View Ivan's profile

Ivan

15193 posts in 3404 days


#3 posted 05-09-2019 06:54 AM

Quite good looking woodworking gadget.

-- Ivan, Croatia, Wooddicted

View  woodshaver Tony C   's profile

woodshaver Tony C

6930 posts in 3889 days


#4 posted 05-09-2019 10:07 AM

Love it! I’m always in search for the right clamp for a project I’m working on; I have plenty but more it better!
Thanks for sharing!

-- St Augustine FL, Experience is the sum of our mistakes!

View lew's profile

lew

12880 posts in 4291 days


#5 posted 05-09-2019 12:18 PM

Wow, those are really neat, Jim!

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

View doubleDD's profile

doubleDD

8729 posts in 2579 days


#6 posted 05-09-2019 01:39 PM

Nice job Jim. If I didn’t know any better I would say they were store bought. Well done.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View bushmaster's profile

bushmaster

3692 posts in 2819 days


#7 posted 05-09-2019 01:50 PM

So professional with the labeling, Nice work, I like the model made with 3 pieces, easy construction and light weight.

-- Brian - Hazelton, British Columbia

View tyvekboy's profile

tyvekboy

1930 posts in 3549 days


#8 posted 05-09-2019 02:56 PM

Love clamps. Now I’m going to have to make me some.

Thanks for sharing.

-- Tyvekboy -- Marietta, GA ………….. one can never be too organized

View socrbent's profile

socrbent

897 posts in 2805 days


#9 posted 05-09-2019 03:11 PM

Excellent execution of a very useful item.

-- socrbent Ohio

View SMP's profile

SMP

1420 posts in 442 days


#10 posted 05-09-2019 05:52 PM

Nice, look just like the Paul Sellers ones on his blog/youtube channel. A very good detailed step-by-step instructions for anyone that wants to make some. I made a couple for a ukulele build and they work great.

View James E McIntyre's profile

James E McIntyre

461 posts in 1828 days


#11 posted 05-09-2019 07:51 PM

Great clamps. Like your brands. Where did you buy them? They look like they were made by a master. And maybe they were. One of those things you can never make enough of.

-- James E McIntyre

View Jim Jakosh's profile

Jim Jakosh

23525 posts in 3642 days


#12 posted 05-09-2019 08:00 PM

Thank you all for the nice comments. I have one more thing to learn about these clams and that is a better cam design..especially for the hole location. I made these according to one site I found on you Tube but I would rather have them lock hp tight when they are at 90 degrees instead of going all the way up, almost parallel to the clamp. If anyone has a design for the cam that would lock up at 90, I’l love to see it. Then I’ll post a full plan for these including dimensions.

Hi SMP….......I have looked at the Paul Sellers video more than once in making these!!

Hi James. I have had the branding iron for many years now. I bought it from Craft Supplies.

Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View SMP's profile

SMP

1420 posts in 442 days


#13 posted 05-09-2019 08:48 PM



Thank you all for the nice comments. I have one more thing to learn about these clams and that is a better cam design..especially for the hole location. I made these according to one site I found on you Tube but I would rather have them lock hp tight when they are at 90 degrees instead of going all the way up, almost parallel to the clamp. If anyone has a design for the cam that would lock up at 90, I l love to see it. Then I ll post a full plan for these including dimensions.

Hi SMP….......I have looked at the Paul Sellers video more than once in making these!!

Hi James. I have had the branding iron for many years now. I bought it from Craft Supplies.

Cheers, Jim

- Jim Jakosh

I had a similar thought on mine as well. I was trying to make them quickly to start my ukulele build. But now that I am not in an immediate need of these, I was considering taking the cam off and cutting a flat spot,so that when it gets near 90 it kind of pops onto the flat and holds, but I am guessing the curve and offset would need to be tweaked to get it to feel right. I’ll let you know if I come up with something.

View drewpy's profile

drewpy

972 posts in 1893 days


#14 posted 05-10-2019 01:37 AM

Great idea and the end result looks fantastic. Nicely done!

-- Drew -- "The greatest wealth is health".

View therealSteveN's profile

therealSteveN

4083 posts in 1110 days


#15 posted 05-10-2019 03:13 AM

Awesome Jim, and crazy timing. Just yesterday I was at YouTube and saw a cam clamp make video on the side panel. Clicked on, it, was thinking WOW. Ended up watching several of them, each had something slightly different. The one thing most all did was drill the hole for the cam off center, which makes sense. Even had a guy making parallel head bar clamps.

I love this stuff, price too high, make em. Not the right size, make em.

Thanks for posting.

-- Think safe, be safe

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