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Cam clamps wood choice
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=56245
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Author:  Map63 [ Fri Jan 26, 2024 7:09 pm ]
Post subject:  Cam clamps wood choice

I'm going to build some cam clamps and thought oak would make a good choice but the last few times I've worked with oak, I've gotten skin and eye reactions. What's a good alternate to oak? Ash?
Thanks in advance,
Mike

Author:  Colin North [ Fri Jan 26, 2024 7:25 pm ]
Post subject:  Re: Cam clamps wood choice

I think I would go for beech.

Author:  doncaparker [ Fri Jan 26, 2024 7:46 pm ]
Post subject:  Re: Cam clamps wood choice

Mine are made out of maple.

Author:  SteveSmith [ Fri Jan 26, 2024 7:57 pm ]
Post subject:  Re: Cam clamps wood choice

The ones I made I used maple too.

Author:  Trevor Gore [ Fri Jan 26, 2024 8:11 pm ]
Post subject:  Re: Cam clamps wood choice

The traditional timber to use is Hornbeam. Mine are made from Aus. blackwood (higher density stuff) and work fine with aluminium shanks. I didn't use pins on the sliding part and they still work perfectly some 15 years on.

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Author:  rbuddy [ Fri Jan 26, 2024 8:13 pm ]
Post subject:  Re: Cam clamps wood choice

Just a vote for hickory. Made some I like, strength to weight is good.

Author:  Darrel Friesen [ Fri Jan 26, 2024 9:51 pm ]
Post subject:  Re: Cam clamps wood choice

I've made quite a few and mostly from maple. I have few long reach ones from my early archtop, parallel brace days that have a 9" reach and are, without running down to measure, 1 1/2" by 1 1/2" wooden bars with 1 1/4" x 1/8" steel flatbar that can put some serious clamping pressure down compared to the average cam clamp.

Author:  phavriluk [ Tue Jan 30, 2024 12:27 pm ]
Post subject:  Re: Cam clamps wood choice

I used oak (leftover flooring I glued up). Price was right - - - zero. Waste not, want not. And I figured the time spent was worth it, I didn't grudge the time.

Author:  bftobin [ Sat Feb 03, 2024 1:42 pm ]
Post subject:  Re: Cam clamps wood choice

I've used several woods over the years. I'm not a fan of Ash. The best wood for me has been Birch and Hard Maple. In fact, I have some that I used Hard Maple for the bar instead of metal.

Brent

Author:  Jim Watts [ Sat Feb 03, 2024 1:57 pm ]
Post subject:  Re: Cam clamps wood choice

I made mine out of maple, they work great.

Author:  Barry Daniels [ Sun Feb 04, 2024 9:00 am ]
Post subject:  Re: Cam clamps wood choice

I recently made about 50 clamps to go completely around a guitar body when gluing on the back or top. I went a different direction and made the clamps from 3 layers of 1/4" Baltic birch plywood so I didn’t have to cut mortises. They’re not super strong but are up to job they are intended for.

Author:  Darrel Friesen [ Sun Feb 04, 2024 10:15 am ]
Post subject:  Re: Cam clamps wood choice

Barry Daniels wrote:
I recently made about 50 clamps to go completely around a guitar body when gluing on the back or top. I went a different direction and made the clamps from 3 layers of 1/4" Baltic birch plywood so I didn’t have to cut mortises. They’re not super strong but are up to job they are intended for.

Do you prefer cam clamps to a go bar deck Barry?

Author:  Barry Daniels [ Mon Feb 05, 2024 9:19 am ]
Post subject:  Re: Cam clamps wood choice

Yes I do, for this specific operation. Go bars work great for bracing but did not work that great for me when clamping tops or backs to the rim. I built a body for an old Martin 00-17 that has no body binding and I discovered that I was not getting a completely closed joint line due to the go bars not applying pressure in exactly the right spot along the outside of the joint. Cam clamps do a better job of closing the joint especially if you position them so that the flexible clamp pad can shift and follow the slightly tilted edge of the arched rims.

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