Official Luthiers Forum!

What bit do you use (assuming you route your rosettes) to cut out your rosettes in your soundboards?

i.e. Do you use straight bits?
Do you use spiral bits?
If you use spiral bits, do you use downcuts or upcuts?

I am on a quest for cleaner cut rosettes. And yes, I will be using a circle cutter in combonation with my router.

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I use downcuts. The main thing is they need to be sharp. I do a test cut inside the soundhole before starting the rosette. If it isn't clean I change to a new bit.

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I didn't mean to say it, but I meant what I said.
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Dido on what Woody & the other Chris said.
Take your time with rose channel cutting.
If you have spare or usless wood around always try a difficult
channel there first.
The down bits help so much to prevent tearout.

Mike

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Mike Collins

As a machinist I do not use a down spiral unless the hole is cleared. The chips get forced down and into your work. I use standard up cuts from BQTOOL.COM at $6.50 they are affordable. I use 3/32 bits for the rosettes.

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John Hall
blues creek guitars
Authorized CF Martin Repair
Co President of ASIA
You Don't know what you don't know until you know it

Shellac the area first it worked for me.

J

How many flutes?

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John Ressler

I use 2 flutes .

_________________
John Hall
blues creek guitars
Authorized CF Martin Repair
Co President of ASIA
You Don't know what you don't know until you know it

Metal chips & wood chips are two different things!
The downcut will leave a clean line in wood !

Mike

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Mike Collins