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Bowclamp Modern technology used to realize an age-old idea: a perfect bow shaped arc. The Bowclamp's patented design - made possible only with the help of computerized, numerically-controlled cutting technology (CNC) - allows for equal clamping pressure along the entire length of the glue line... with only one clamp at each end!

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Old 12-20-2009, 09:15 AM
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Default Bowclamp Inserts

I made some inserts for my Bowclamps to use threaded rods. It doesn't require as many hands too position the clamp and is fast. It's great for drawers. The long coupling nuts allow you to almost tighten the clamps enough without using a wrench. If some of that grippy stuff for tool handles was applied to the outside of the nut it could be tightened just by hand.
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bowclamp-inserts-img_1625.jpg   bowclamp-inserts-img_1618.jpg  

Last edited by RONWEN; 12-20-2009 at 06:39 PM.
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Old 12-20-2009, 09:21 AM
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Default Re: Bowclamp Inserts

That's nice; I like it.

Okay, the threaded rod and coupling nut and Fender washer are all home center stuff, but how did you make the part that rides in the BowClamp slot? Maybe it will be obvious when I receive mine... they are in the mail
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Old 12-20-2009, 01:32 PM
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Default Re: Bowclamp Inserts

I made these of steel but I think I'll make the next sets from ply -- probably the multi-ply with the laminated phenolic faces.
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Old 12-20-2009, 03:50 PM
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Default Re: Bowclamp Inserts

Nice work, Ron. And very clever!
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Old 12-20-2009, 08:56 PM
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Default Re: Bowclamp Inserts

How 'bout using wing nuts?
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Old 12-20-2009, 11:48 PM
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Default Re: Bowclamp Inserts

Really cool Ron. Well done. You might want to take a look at these quick release knobs from Rockler.

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Old 12-21-2009, 01:27 AM
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Default Re: Bowclamp Inserts

Ron - you should talk to Qwas about selling those. They're sweet!
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Old 12-21-2009, 04:02 AM
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Default Re: Bowclamp Inserts

Why not just drill a hole thru the bowclamps for the threaded rod? Im not really understanding the value of the insert.
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Old 12-21-2009, 06:17 AM
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Default Re: Bowclamp Inserts

Quote:
Originally Posted by EijiFuller View Post
Why not just drill a hole thru the bowclamps for the threaded rod? Im not really understanding the value of the insert.
to get the maximum usage of the length of the bowclamp.

a threaded rod would diminish that, even in the photo above things would be a tad tight if that were done.

it also brings the clamping pressure pass the end of the bowclamp, therefore increasing its "bowclamp-ness".

Last edited by RogerSavatteri; 12-21-2009 at 06:20 AM.
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Old 12-21-2009, 11:09 AM
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Default Re: Bowclamp Inserts

Quote:
Originally Posted by RogerSavatteri View Post
to get the maximum usage of the length of the bowclamp.

a threaded rod would diminish that, even in the photo above things would be a tad tight if that were done.

it also brings the clamping pressure pass the end of the bowclamp, therefore increasing its "bowclamp-ness".
Correct Roger, I didn't show it but another glue-up I did used about 23-1/2" of those 24" Bowclamps.
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