Acoustic Guitar Construction in the small shop -- Kenneth Michael Guitars LLC

Information, ideas and help for those constructing scratch built acoustic guitars or acoustic guitar kits - © 2017
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The purpose of this forum site is to provide a means for acoustic guitar makers at all skill levels to forward information, share experience and ask questions if project obstacles are encountered. We ask that egos be left at the door – the highest levels of courtesy and respect are to be shown to all. Posts containing disparaging comments will be removed. The “Acoustic Guitar Construction Forum” is owned by Kenneth Michael Guitars and is copy protected. Direct links to luthier suppliers are not permitted and will be edited.



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 Post subject: Making purfling
PostPosted: Mon Jun 06, 2016 6:42 pm 
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Joined: Fri Nov 14, 2014 4:30 pm
Posts: 335
Location: Saint Paul, Minnesota
I thought I'd post my attempt at some custom purfling. I couldn't find what I wanted for an upcoming build so I decided to make some. Not sure if this exactly what I had in mind, but I like it nonetheless.

I started with some 3/4" maple, redheart and ebony. Cut to length at about 6" and then ripped into strips the width I wanted. Glued up the pieces so that the pattern will repeat. Then after it was dry I ran it through the drum sander to clean up and then cut it in half and glued back together. When that was dry I cut slices .090" (the width of the Teflon strip I'll use). Then turned that slice flat and cut .090" strips.

All in all I'm pleased with the results and can see the possibilities are endless.


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File comment: Ripping redheart
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File comment: All my strips cleaned up
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File comment: Messy
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File comment: First section glued up
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File comment: Glue up the two pieces
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File comment: Slicing the 3/4" block
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File comment: Cutting the final strips
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File comment: Final product
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JJ
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 Post subject: Re: Making purfling
PostPosted: Mon Jun 06, 2016 7:43 pm 
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Joined: Mon Dec 19, 2011 4:19 pm
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Very cool


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 Post subject: Re: Making purfling
PostPosted: Mon Jun 06, 2016 8:06 pm 
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Joined: Fri Dec 23, 2011 8:33 pm
Posts: 1814
Location: Seattle
very cool!

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 Post subject: Re: Making purfling
PostPosted: Mon Jun 06, 2016 9:13 pm 
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Joined: Thu Oct 30, 2014 11:22 am
Posts: 114
Very cool, thanks for the post. I am planning on making some purfling soon as well for the same reason. I didn't think I wanted anything elaborate, but after seeing this I may change my mind. Thanks again.
Jim


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 Post subject: Re: Making purfling
PostPosted: Mon Jun 06, 2016 9:21 pm 
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Joined: Tue Dec 13, 2011 11:23 pm
Posts: 3924
Usually purfling has outer full length layers of one piece veneer (each side) for support. Have you tried to bend those strips?

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 Post subject: Re: Making purfling
PostPosted: Tue Jun 07, 2016 12:00 pm 
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Joined: Fri Nov 14, 2014 4:30 pm
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Location: Saint Paul, Minnesota
I haven't yet figured how to do the veneer on the outside. There's not a lot of info that I could find on exactly how to do it.
It bends a little but I haven't tried heat or moisture yet. This will be laid in a channel so I think I can get by with some cracking. I'll post more as it goes.

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 Post subject: Re: Making purfling
PostPosted: Thu Jun 09, 2016 11:00 am 
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Very nice purfling John. I enjoyed doing my own purfling too. For my first attempt I glued maple veneer strips on outsides (as Ken mentions) using Titebond III. Then the straight strips were dipped in boiling water as they were installed. That method worked fine except in the tightest radii the maple distorted or ripped from too much stretching or compressing. My last attempt (viewtopic.php?f=24&t=2371) I pre-bent the purfling before gluing on the outside veneers and I had no problems.


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 Post subject: Re: Making purfling
PostPosted: Mon Jun 20, 2016 7:43 pm 
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Joined: Fri Nov 14, 2014 4:30 pm
Posts: 335
Location: Saint Paul, Minnesota
Second try. I made up some 3/4" with maple, bubinga and wenge and sandwiched with some walnut. Sprayed with some super soft II and bent on my pipe bender. It bends easily. I was able to bend some of the first batch but it is much more delicate with a tendency to break.


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 Post subject: Re: Making purfling
PostPosted: Mon Jun 20, 2016 7:48 pm 
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Joined: Tue Dec 13, 2011 11:23 pm
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Way cool !!!

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 Post subject: Re: Making purfling
PostPosted: Tue Jun 21, 2016 11:00 am 
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I'll take a dozen!


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