I can't imagine why it would be a problem. I've been letting my braces overhang the top/bottom outline before gluing and then trim them on the bandsaw, this should be pretty much the same.
edit: wow, talk about instant answers
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| Forgot to cut the back to shape before gluing the braces http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=27692 |
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| Author: | segovia [ Sat Jun 05, 2010 8:51 am ] |
| Post subject: | Forgot to cut the back to shape before gluing the braces |
Hi I was too eager to glue the braces I forgot to cut the the shape first, do you think it will cause any problems ? |
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| Author: | Mike OMelia [ Sat Jun 05, 2010 9:34 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
No. You cut it oversized anyways... |
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| Author: | woody b [ Sat Jun 05, 2010 9:34 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
No problems. It's easy enough to trim back, braces and all on a band saw. |
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| Author: | gozierdt [ Sat Jun 05, 2010 9:35 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
This shouldn't cause you any problems. If you are using a band saw, and you put a curved profile on the braces, you'll need to hold the back such that the edge being cut is sitting flat on the table- otherwise a tooth might catch and yank the back down against the table, or break a chip out. Other than that, I think you're fine. |
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| Author: | SteveSmith [ Sat Jun 05, 2010 9:38 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
I can't imagine why it would be a problem. I've been letting my braces overhang the top/bottom outline before gluing and then trim them on the bandsaw, this should be pretty much the same. edit: wow, talk about instant answers
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| Author: | Pat Foster [ Sat Jun 05, 2010 9:53 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
I recently started to do it that way intentionally. Pat |
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| Author: | David LaPlante [ Sat Jun 05, 2010 10:57 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
How you trim the edge all depends on your back gluing method. If you are using clamps with purely downward pressure, it's OK to leave some extra (1/4") at the edge. This also make the trim cut less critical as regards to chipping. If you are using elastic bands or cord to apply pressure, that extra lip will lever up the joint and prevent a good bond. In this case the back needs to be trimmed as closely as possible to the side profile. |
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| Author: | jfmckenna [ Mon Jun 07, 2010 8:24 am ] |
| Post subject: | Re: Forgot to cut the back to shape before gluing the braces |
I've made far far worse mistakes than that in my excitement in building guitars  Like most mine are always oversized too. Quick trip to the band saw boom done. |
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