Timbuck
Well-known member
I was wondering how others radius the corner on binding .. I use a file, scraper, and sand paper,..is there a tool that can make this job easier?
Binding radius
- Thread starter Timbuck
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Michael N.
Well-known member
Fine needle file and sometimes sandpaper wrapper around a soft eraser. It's pretty quick as long as you don't fuss too much.
You can do a 45 degree facet and it looks perfectly fine, crisp. Good for simple wipe on/off low gloss finishes, otherwise high gloss and rubbing down will lose that detail.
You can do a 45 degree facet and it looks perfectly fine, crisp. Good for simple wipe on/off low gloss finishes, otherwise high gloss and rubbing down will lose that detail.
Pete Howlett
Well-known member
I've tried everything including radius bits in a router but always come back to scraper and sand-paper. Tommy my assistant uses a sanding stick - he might just as well use a file...I really don't think there is another way.
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Timbuck
Well-known member
How about these tools ? http://www.veritastools.com/Products/Page.aspx?p=195 I had a go at making one but it didn't work too good on rosewood bindings, especialy going against the grain I didn't have the honing kit either...Maybe these will do the job better.
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Pete Howlett
Well-known member
I use them for brace radiating for which they perform brilliantly but must be kept sharp. Never thought of using them for the edges.... and yes, they are very easy to mess up. The design is quite critical.
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Timbuck
Well-known member
I see that they are in stock at Axminster Tools here in the UK http://www.axminster.co.uk/veritas-cornering-tool-kit-510441 so I ordered a set.. For bracing ? I never thought of that..Good idea.
By the way Pete where are you now ? according to your program you should be in Saskatchewan visiting David Freeman.
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Pete Howlett
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In Saskatoon preparing to fly to the west coast to visit Les Stansell. Meeting with David very useful.
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Timbuck
Well-known member
Aight, I guessed as much. That radius makes a world of a difference in terms of playing comfort. When playing my KoAloha or my Timms 
)), I can play for a looong time on them before I feel any discomfort, whereas with my Kala, I get some pain (granted, it's not the end of the world) and pressure marks on my underarm pretty much after a minute or two.
But, does anyone radius the INSIDE corner that sits in the binding channel? This is common practice in metalwork and engineering to get a better fit, since you can never get a perfectly square cut. I'm only talking about a radius of maybe 0.5mm or so here btw.
)), I can play for a looong time on them before I feel any discomfort, whereas with my Kala, I get some pain (granted, it's not the end of the world) and pressure marks on my underarm pretty much after a minute or two.But, does anyone radius the INSIDE corner that sits in the binding channel? This is common practice in metalwork and engineering to get a better fit, since you can never get a perfectly square cut. I'm only talking about a radius of maybe 0.5mm or so here btw.
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Michael Smith
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"But, does anyone radius the INSIDE corner that sits in the binding channel?" I do with 100 grit or so sandpaper
Pete Howlett
Well-known member
A single pass with a scraper does for me.
sequoia
Well-known member
I use sandpaper on the finger joint and go 150 to 220 to 320. I love this part of building as it is very sensual to me. It also means we are getting close to being done. Takes a surprisingly long time for such a simple operation. I go slow and enjoy the process. Picture below of some koa binding profiled before sand out, clean-up and polish.
PS: What the hell is that stuff under the fretboard anyway? Nothing like close-up photography to show flaws. Gonna have to clean that up.
PS: What the hell is that stuff under the fretboard anyway? Nothing like close-up photography to show flaws. Gonna have to clean that up.
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Timbuck
Well-known member
resoman
Well-known member
I've been doing the radius with the scraper and sandpaper but this thread got me to thinking about grinding a radius in a lathe tool and trying it like a scraper. I think it would work and I'll know this afternoon.
