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Jan 26, 2021 - 12:50:52 PM
2280 posts since 2/7/2008

I’ve ordered a piece of Paua that’s 3” x 5/8” x .125 thick. I need to make it .100 thick to match the thickness of the other materials in the design. Any suggestions on how to shave .025 off the back ?

I’m thinking I’ll glue it to something and then run it over something to thin it. Just gotta figure out what the somethings are.

Jan 26, 2021 - 1:03:23 PM
like this

mbanza

USA

2295 posts since 9/16/2007

120 wet or dry sandpaper on a flat surface. Use water as a lubricant and to keep dust under control

Jan 26, 2021 - 2:17:04 PM

2280 posts since 2/7/2008

quote:
Originally posted by mbanza

120 wet or dry sandpaper on a flat surface. Use water as a lubricant and to keep dust under control


Any thoughts on how to ensure that the faces remain parrallel? It's probably not that critical in the overall scheme of things, but it would be nice to end up with parrallel faces and not a wedge. 

Jan 26, 2021 - 3:58:36 PM
like this

mbanza

USA

2295 posts since 9/16/2007

Work slowly, turn the piece often, measure frequently.

Jan 26, 2021 - 7:20:15 PM

beegee

USA

22181 posts since 7/6/2005

If you have a drill press and sanding drum, you can make a platen so you can use the sander to thin it. Use white glue to glue the the pearl to a piece of scrap wood. after it's thinned, soak it in hot water to remove it from the scrap wood.

Jan 26, 2021 - 7:20:18 PM

1248 posts since 5/19/2018

Not much experience as I only worked pearl a few times for simple inlay repairs, but I have had good success thinning pearl using the method above.

One thing that made it easier was that I secured the pearl to a larger piece of wood using two sided tape. Worked real well for control and I was able to thin it out evenly without cracking the thin pearl. I also mounted the sand paper the same way to a larger piece of wood that I secured to the table so it also would not slide around.

Made pretty quick work of thinning it down. As mentioned above, make sure it’s wet as pearl dust is nasty stuff. You do not want to inhale it.

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