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PostPosted: Tue Jul 30, 2019 2:44 am 
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Joined: Fri Jul 03, 2015 2:45 pm
Posts: 212
To make binding with side purfling, ideally you either glue up sheets of binding and purfling veneers and slice it off or better yet you just buy it pre-made from Gurian. I do not often have binding pieces wide enough to make sheets , or sometimes I need to make a side purfling scheme that is 1 off. I've tried many ways of gluing the purfling to the bottom of the binding strips, including using tape, various kinds of clips, holding it and super gluing it, etc. I finally made up this jig, which is working pretty good. Photos pretty much tell the tale. The closest 1/8" aluminum bar is slotted so that pressure can be applied with the edge clamps. Packing tape keeps the binding from sticking to the jig. I can make 2 binding and purfling strips at a time. The 1/4-20 knobs go into brass threaded inserts, but next time I would use T-nuts. Much cheaper.


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PostPosted: Tue Jul 30, 2019 8:06 am 
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Joined: Sun Mar 09, 2014 8:13 pm
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Thanks Bob. Great way of doing it.


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PostPosted: Wed Jul 31, 2019 12:17 pm 
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Joined: Thu May 24, 2012 8:03 am
Posts: 1096
Location: Chestertown Maryland
Bob

I have had such good success installing a bunch of pieces at once that I don't think I would bother with the step of trying to glue two of them together. The shots below are a 5 piece binding/purfling scheme, including side purfling, that I installed all at once with no problems


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PostPosted: Thu Aug 01, 2019 2:02 pm 
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Joined: Sun Aug 24, 2014 12:27 pm
Posts: 14
Great work. I can see making back strips the same way.
Back in the 70's, there was a company called Lewis Luthier Supply that had a lot of great info
related to building as well as price lists. Bill Lewis showed how make a lot of jigs for gluing ups
and used a propane torch to 'burn in' bees wax on the surface. I've been doing that for years
and nothing sticks.


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PostPosted: Thu Aug 01, 2019 4:51 pm 
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Joined: Thu Jun 20, 2019 4:37 pm
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ruby@magpage.com wrote:
Bob

I have had such good success installing a bunch of pieces at once that I don't think I would bother with the step of trying to glue two of them together. The shots below are a 5 piece binding/purfling scheme, including side purfling, that I installed all at once with no problems


Seems like this is the way to do it! Beautiful work.


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PostPosted: Fri Aug 02, 2019 1:32 pm 
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Joined: Fri Jul 03, 2015 2:45 pm
Posts: 212
That should work fine for plastic binding.


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PostPosted: Thu Aug 08, 2019 6:49 am 
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Joined: Sun Mar 09, 2014 8:13 pm
Posts: 1922
I have a question.

I've been using plastic purfling, because I'm afraid that the heat and/or moisture from bending would delaminate the purfling. Doesn't the heat un-glue the purfling from the binding when you bend the binding?


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PostPosted: Thu Aug 08, 2019 8:59 am 
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Joined: Mon Oct 08, 2012 3:55 pm
Posts: 81
Location: Ormond Beach, FL
Use Titebond 3 for gluing up purflings. It withstands the heat of the bender and does not delaminate.

_________________
Sylvan Wells
Wells Guitars
Bay State Guitars
http://www.wellsguitars.com
http://www.baystateguitars.com


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PostPosted: Thu Aug 08, 2019 12:50 pm 
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Joined: Mon Jul 28, 2014 7:50 am
Posts: 666
Location: Chadds Ford, PA
I do the same as Sylvan, but with regular titebond and also get no delamination issues. I bend these with the sides at the same time. First couple of tries I added CA to be sure.


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PostPosted: Thu Aug 08, 2019 3:37 pm 
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Joined: Sun Mar 09, 2014 8:13 pm
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Okay. Thanks guys.


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