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| Binding question. http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=4914 |
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| Author: | old man [ Sat Feb 04, 2006 3:20 pm ] |
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I was looking at this guitar from the "Who made it" post and I have a question: 
I love the extra binding/purfling? that outlines the sides. What is the technique for installing that? Do you just cut the binding ledges longer? What do you do where the side meets the neck? Thanks, guys Ron 
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| Author: | Brock Poling [ Sat Feb 04, 2006 5:09 pm ] |
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I presume you mean the side purflings.... Here is how I do it. When I bend my bindings I tape up the purflings for the sides in between the bindings. You have to tape every thing REALLY tight so the purfling strips don't buckle and get all wavy on you. (I guess it goes unsaid that i am using a Fox bender for this) I DO NOT usually glue the purfs up to the bindings ahead of time. After everything is bent, if the purfling strips are wavy in any spots I press them flat with a clothes iron on hot. This usually fixes any problems. To route the channels I first route only the depth of the binding alone (not including the purf depth). This handles framing the end graft. Then I lower the cutter by the depth of the purfling and route again and go as close as I dare to the end graft without touching it. I finish cutting the channel up to the end graft purflings by hand with chisels and razor blades. Once that is done I mitre the pufling exposed in the end graft. Then I cut the matching mitre on the side purfs. Once I am satisfied and the purf lines up the way it should (the waist hits the right spot etc.) I tack it in place @ the end graft with a tiny dab of medium CA on a tooth pick. I take in in a couple of spots to hold it in place while I fit the binding. After the bindings have all been cut and fitted I tape everything up and CA it in place. (Go easy with the glue and let it wick into the joint. Don't squirt it in -- that just makes a mess inside the guitar. I have had pretty good luck with this. 
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| Author: | John Kinnaird [ Sat Feb 04, 2006 10:42 pm ] |
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I do glue those strips to the binding before I bend them. Sometimes the binding starts out as a thin plank of wood and the purfling starts out as several sheets of veneer and I glue the entire plank with veneers together with Titebond II. I use that glue because it withstands heat very well without turning loose. Then I take that plank/veneer sandwich and rip out the bindings and bend them on the bender. After that it is just a matter of matching up the mitre joints and the butt joints. I glued the bindings down with LMI white glue. John |
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| Author: | Brock Poling [ Sun Feb 05, 2006 12:46 am ] |
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The only reason I don't do it this way is because I think it is harder to fit the mitre joints on the purfling.  It ususally takes me a few shots before I get it nice and tight.
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| Author: | Arnt Rian [ Sun Feb 05, 2006 2:19 am ] |
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I glue the side purflings to the binings with CA before I bend, it usually does not delaminate. I also use CA after taping the all purflings and bindings to the guitar, except on the mitres wher I use Titebond. I find this glue gives a less visible joint than CA. |
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