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ayavner
 Post subject: how long to clamp?
PostPosted: Tue Jul 14, 2009 9:28 pm 
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Cocobolo
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Joined: Fri Jun 12, 2009 10:47 am
Posts: 192
First name: Adam
Last Name: Yavner
City: Wylie
State: TX
Zip/Postal Code: 75098
Country: USA
Focus: Build
Status: Amateur
I see alot of different info regarding how long to leave an assembly in clamps/go-bar, etc. The bottle of tite-bond says to clamp for 1/2 hour. Stewmac says leave clamped over night (talking braces here). Other sources say clamp for an hour, but don't work on it or put any stress on it for 24 hours.

Yadda yadda...

is there any rhyme or reason to this? I ask, because I am clamping my top braces now in my go-bar deck, and I am not in a hurry, but it would certainly be more efficient if I had an idea. At the moment its been "glue x-brace, wait overnight. Glue tone bars, wait overnight. Glue finger braces.... " you get the idea.

Again, not looking to rush, but if I am being overly anal about this and could streamline things, that would be great.

:)

adam

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peterm
 Post subject: Re: how long to clamp?
PostPosted: Tue Jul 14, 2009 9:32 pm 
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Brazilian Rosewood
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Joined: Thu Oct 06, 2005 1:05 pm
Posts: 3350
Location: Bakersville, NC
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I set my timer for 40 minutes and remove clamps. Only time I keep it longer its for the bridge.

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Joe Beaver
 Post subject: Re: how long to clamp?
PostPosted: Wed Jul 15, 2009 1:19 am 
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First name: Joe
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Seems I'm always in a hurry and remove the clamps in 3/4 hour or so. But... if it is a joint that was forced into place by the clamps... and when the clamps are removed the glue, not a good fit, has to hold it is place, then I try to leave it clamped over night.

Joe

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woody b
 Post subject: Re: how long to clamp?
PostPosted: Wed Jul 15, 2009 5:37 am 
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Location: Grover NC
First name: Woodrow
Last Name: Brackett
City: Grover
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Zip/Postal Code: 28073
Country: USA
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I use a timer like Peter M. I set it at 45 minutes. I use HHG. I'm not sure about clamp times with different glues.

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bluescreek
 Post subject: Re: how long to clamp?
PostPosted: Wed Jul 15, 2009 6:06 am 
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First name: john
Last Name: hall
City: Hegins
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Zip/Postal Code: 17938
Country: usa
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Status: Professional
Different glues require different clamp times. Read the label of the brand of glue you have. If you force a glue joint , you may as well stop and start over , it will fail sooner or later. That is the art of building , to perfect the joining process. I will allow the top to lay in overnight as the glue will add moisture to the top and I want to hold this in the disk to help stabilize as it dries.

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Mark A Thorpe
 Post subject: Re: how long to clamp?
PostPosted: Wed Jul 15, 2009 7:01 am 
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Joined: Wed Jan 07, 2009 6:02 pm
Posts: 211
First name: Mark
Last Name: Thorpe
City: Valparaiso
State: Indiana
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I glue all the braces on at the same time and let it sit in the go-bar press for 24 hours, no matter what type of glue I use.
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