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PostPosted: Tue Aug 05, 2008 11:30 pm 
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Walnut
Walnut

Joined: Wed Oct 24, 2007 1:47 pm
Posts: 24
Location: Canada
Hi,

What cutting tools and jigs do you prefer to use for cutting your own rosettes? Or for inlaying your rosette?

Do you use down cutting spiral bits? Up cutting spiral bits? Any other router bits?

Thanks,

Steve


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PostPosted: Wed Aug 06, 2008 12:46 am 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Wed Jan 05, 2005 6:25 pm
Posts: 2749
Location: Netherlands
Sylvan Wells style attachement for the lam trim, spiral downcut bits (1/4" and 1/8", mostly the former since I do solid rosettes, not thin lines). That's pretty much it, really, for both cutting and inlaying. Bit of doublesided tape, scrap wood, brass pivot pin (cut off a rod), shellac to seal the channel before supergluing, and there you have it.


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PostPosted: Wed Aug 06, 2008 9:23 am 
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Contributing Member
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Joined: Sat Aug 25, 2007 2:05 am
Posts: 685
Location: Saint Petersburg, Florida
First name: Glenn
Last Name: LaSalle
City: Saint Petersburg
State: Florida
Status: Amateur
I am currently working on my first guitar, and happen to be at the rosette stage. I used my Performax 10-20 to thickness the rosette material (figured sycamore) to ~ .070". I cut out the channels in my test top with my Circle cutter jig I got from sylvan (with PC 310 mounted). Today I will be cutting out the actual rosette, and the channels to the "real" top after i test fit with the practice top.

So, for my first:
- 10-20 drum sander
- Circle cutter jig
- PC 310 Lam Trimmer
- 1/4" Downcut bit

Glenn


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PostPosted: Wed Aug 06, 2008 10:04 am 
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Contributing Member
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Joined: Mon Mar 19, 2007 7:05 am
Posts: 9191
Location: United States
First name: Waddy
Last Name: Thomson
City: Charlotte
State: NC
Focus: Build
Status: Semi-pro
Circle cutter and chisel!
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PostPosted: Wed Aug 06, 2008 10:09 am 
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Contributing Member
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Joined: Mon Dec 27, 2004 11:25 pm
Posts: 7202
Location: United States
I've used a few methods over the years.
I started out with mounting my router to a piece of 1/2" plywood, and carefully drilled a series of 1/16" dia. holes which I used to center the top on via a drill bit. I would then move the top around the bit holding it down to the router bit. This worked for a few guitars, then I made a custom flywheel cutter to take its place.
The next several guitars all used that cutter effectively. It was cheap to make...a simple piece of 1/2"x1/2" aluminum bar stock with holes through it at a slight angle, and I purchased some round tool steel stock and had them machined into cutters. They were held in place by set screws. I think it cost less than $20 to make, but the problem is that every different sized guitar with a different sized soundhole requires its own custom cutter.

Now I use a cnc...which gives me an infinite number of possibilities...

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