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DIY Cam Clamps

Posted: Wed Apr 11, 2012 9:49 pm
by raulblack
My Steward Mac clamps are awesome, but they are a little big for some applications. They were made with 1" maple that's 10" long. They have great clamping pressure and are really well engineered. I set out to knock them off in a smaller version. I got all the materials at Lowes except for the roll pins. Lowes wanted 40 cents each for them, so I ordered 100 of them off of ebay instead for $9.99 including shipping.

My version of the clamps are made with 3/4" oak that's 7 7/8" long. I used steel bar stock from Lowes and made all cuts in the wood with a band saw, except I used a dado blade in a table saw to make the pocket for the cam. I got the cork on sale at Staples for $3.00 for four 6" sheets. These little suckers are great!

This is the top wood for the clamp. I used 1 1/2" wide oak. The Stew Mac equivalent is 1 5/8" wide, so it's a little sturdier.
OakStock.jpg
OakStock.jpg (50.53 KiB) Viewed 1352 times
Here is a finished clamp. Note the roll pins do the actual work against the steel bar, and the cork keeps from marring the wood.
OakClamp.jpg
OakClamp.jpg (46.61 KiB) Viewed 1352 times
Here is a pick of my little clamp next to a larger Stewart Mac clamp.
MineVsStewMac.jpg
MineVsStewMac.jpg (60.18 KiB) Viewed 1352 times

The following website has an excellent tutorial on building these type of clamps. I took some ideas from this site and others from looking at my Stewart Mac clamps.

http://combraystudio.blogspot.com/2011/ ... d-and.html

This was a really fun project and served as a nice introduction to woodworking for me prior to taking on the monumental task of trying to build a guitar. I gained some confidence here.

Re: DIY Cam Clamps

Posted: Wed Apr 11, 2012 10:29 pm
by Dave Bagwill
I really like your idea, and thanks for the tip.