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Wood thickness measuring tools
http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10101&t=54266		 Page 1 of 1
Author:  Mike OMelia [ Sun Jul 25, 2021 10:10 am ]
Post subject:  Wood thickness measuring tools
For tops (arch) etc. what do u use? Is the an electronic tool?
Author:  Colin North [ Sun Jul 25, 2021 10:20 am ]
Post subject:  Re: Wood thickness measuring tools
Mike OMelia wrote:
For tops (arch) etc. what do u use? Is the an electronic tool?

Only really for closed boxes I believe.
All here - https://theartoflutherie.com/calipers/
Author:  Chris Pile [ Sun Jul 25, 2021 10:56 am ]
Post subject:  Re: Wood thickness measuring tools
^^^ Good article! ^^^
Author:  Dave m2 [ Sun Jul 25, 2021 11:45 am ]
Post subject:  Re: Wood thickness measuring tools
For ordinary flat tops I use a dial indicator in a shop made wooden frame deep enough to reach the centre of the top.

Dave
Author:  Ken Nagy [ Sun Jul 25, 2021 6:09 pm ]
Post subject:  Re: Wood thickness measuring tools
I made this one for violins, and it worked for my arch top. The .01mm readings is overkill, but it was $30 or something on sale. Why not? I like the dial, because you can watch trends by how fast it moves, and see places that are going the wrong direction very easily. Far easier than a digital.

Attachment:
IMG_0482.jpg
Author:  Alan Carruth [ Mon Jul 26, 2021 10:48 am ]
Post subject:  Re: Wood thickness measuring tools
I carve the outside arch first, so the inside surface is flat, and this allows me to use my regular 'cello thickness gauge to measure the height as I'm carving. If the plate has already been hollowed out just put it on a sheet of glass and subtract that thickness. I actually rough the arches first using a Wagner planer in the drill press to define contours, (a little high) to remove most of the waste, and then carve down to those. I've seen some clever setups using things like laser levels, and even Roncci ruled transparencies to project lines onto the surface to produce moire patterns that show the contours, but for every day shop use a thickness gauge is fine.
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