Official Luthiers Forum!

how many joints in the guitar neck? and why the neck is formed by joining wood? and can you guest the method for joining the neck to the body?


What is this "thing"?


Thx 4 ur help

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Individual choice on how many laminations to use in a neck, 1 to a bunch. I'm using multiple laminations in my first few necks to save money and to not potentially waste premium wood.

That "thing" is your truss rod.

Some makers will cut a neck from a single billet while others will use many pieces of wood laminated together. My standard necks with a stacked heel are made from 6 pcs. of wood and my deluxe necks are made from 15 pcs. The reasons behind this can be many, from decorative to strength or even material utilization and savings. I laminate all my necks a s I gain control of grain orientation while being able to buy lumber that would not otherwise yield a suitable neck. So I am getting both better strength and material savings.

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Brian

You never know what you are capable of until you actually try.

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The thing is your truss rod. Some put the adjustment nut inside the body and some have it at the head stock under that little cover plate between the tuners. Some like the cleaner look with it inside the body
There are a few clues that will tell you what type of neck/body joint. If you see bolts inside...probably a bolt on neck. Otherwise its either a glued dovetail joint or a spanish heel joint. Usually spanish heel joints are only on older or hand made classical guitars. Dovetails are pretty much universal on steel strings. Or you could look up the manufacturer and see how they build guitars.

Pretty standard neck construction, certainly for a classical. Stacked heel, scarf jointed headstock, can't tell what the neck to body joint is, probably some form of glued mortise and tenon or similar - no spanish foot suggests it's not a spanish heel. And the 'thing' is a truss rod, which is a bit weird for a classical (judging by the tuners, the strings and the rosette style).

I tend to laminate my necks out of two or more pieces of wood (mahogany), vertically, so I don't get a visible line at the heel. Mostly aesthetics for me. I also like adding decorative laminates. I scarf joint all my headstocks for strength, but usually add to the bottom of the blank so the joint is hidden in the headstock, and add laminations to both front and back of the headstock. My average neck, including headstock lams and excluding fretboard and binding, tends to be made of two main chunks of wood, a thin contrast laminate, and several layers of veneer (9-10 in total, more if bound or fancier neck lamination scheme).