Guitar Neck

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Guitar Neck

Postby sylvan356 » Wed Jun 06, 2018 6:40 pm

Has anyone thought of (or accomplished) carving the shaft and heel of an acoustic guitar neck using the rotary (4th axis)? Any thoughts would be most appreciated!
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Re: Guitar Neck

Postby Rcnewcomb » Wed Jun 06, 2018 7:34 pm

I've looked at it with a banjo neck. Results were actually better doing one-sided (fretboard side down), or two sided (left side, right side) machining on the table rather than rotary. With the longer heel of an acoustic guitar neck I'd use the left-side, right-side approach. Doing them on the table means you can make a number of them at once.

Gary Beckwith uses a similar technique making sets of table legs.
I just set up a 2 rail sweep to match the width of the 8 leg blanks.(plus a minor over run)
Set blocks on the table to push the blanks against for registration
Clamped the blanks together and ran machine relief in raster across the 8 blanks. I also clamped dunage (scrap 1x4) on the sides to control chip out
Rotated each blank 90° re-clamped and re-ran the toolpath, repeated for all sides
You will see I left an inch or so on the end to keep the blanks in the horizontal plane, which were removed at the mitre saw later
This is a more efficient way to cut tapered legs than using the indexer
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Re: Guitar Neck

Postby sylvan356 » Thu Jun 07, 2018 1:35 am

Randall -
Thanks for your insight. Just what I was looking for!
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Re: Guitar Neck

Postby Will Williamson » Thu Jun 07, 2018 6:57 pm

Not to change the subject but, is any one working on mandolin construction?
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Re: Guitar Neck

Postby Rcnewcomb » Fri Jun 08, 2018 2:23 am

is any one working on mandolin construction?

I have a mandolin restoration project waiting to get on the bench
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Re: Guitar Neck

Postby gkas » Fri Jun 08, 2018 3:34 am

Rcnewcomb wrote:
is any one working on mandolin construction?

I have a mandolin restoration project waiting to get on the bench


Don't get me wrong... I'm not trying to be a wise ass. To my unmusical and untrained eye.. What makes it worth restoring? It looks like something I'd toss when cleaning out the garage or attic. Was it built or owned by someone famous?
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Re: Guitar Neck

Postby Rcnewcomb » Fri Jun 08, 2018 6:34 am

What makes it worth restoring?

The experience that I gain by doing it. I need to practice on many, many lesser quality instruments before would consider touching a Lloyd Loar signed Gibson F-5.
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Re: Guitar Neck

Postby Dclifton2 » Fri Jun 08, 2018 12:04 pm

Hi Sylvan, If you have a 3D file of one it shouldn't be difficult. I'll call you latter today.
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Re: Guitar Neck

Postby Will Williamson » Fri Jun 08, 2018 12:58 pm

I have been studying, Mandolin Construction, for about a year now, accumulating material. working on my drawings. no results yet.
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Re: Guitar Neck

Postby gkas » Fri Jun 08, 2018 5:01 pm

Rcnewcomb wrote:
What makes it worth restoring?

The experience that I gain by doing it. I need to practice on many, many lesser quality instruments before would consider touching a Lloyd Loar signed Gibson F-5.


That is certainly not the answer I was expecting, but is certainly one of the best. Thanks for the answer.
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Re: Guitar Neck

Postby RebeccaJ » Wed Jun 13, 2018 3:39 pm

Hey All,

I thought I'd jump in on this thread as we have released a new project that Sean created, showing you how to model a guitar neck in a two sided environment.
It's pretty neat and I'm sure you guys will find this technique quite interesting :)
You can take a look at this here: https://release.vectric.com/making-a-guitar-neck/
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Re: Guitar Neck

Postby sylvan356 » Thu Jun 14, 2018 1:16 pm

Hats off to Sean for making a terrific video. I learned so much from watching it once. Today I will go back and watch it again to try to learn the techniques he demonstrated. I wish he had included the working squares he used to make the round profiles. They seem to be missing in the layers tab. In spite of that, I highly recommend everyone watch this tutorial. You won't regret it!
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