Sanding Question

Johnturner

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I am sanding this Walnut object (My son's friend has a real cannon, the town asks him to fire it on some occasions) So he needs 2 of this size reamers for sponges and 1 slightly bigger one as a ramrod. In sanding this one, at about 500-600 RPM's I noticed these whitish lines. Tried sanding in this area, tried going back and forth, all with different grits.
HELP!


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Brandon Sloan

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What grit are you starting with? What kind of sandpaper? Whatever it is, it should sand out. Sometimes I run into little nuances while sanding. Switching sandpaper usually is the fix. If you have different types of sandpaper, you might want to give it a try. (Mesh style, paper backed, cloth backed) Just a thought, good luck!
 

DKMD

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Sometimes wetting the surface with denatured alcohol before sanding with the grain helps me with walnut. If that doesn’t work, I’d drop down to a coarser grit before proceeding back through the grits,
 

Graybeard

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Those are interesting, probably a pain for you, but I'm curious if that's tear out or compression from the bevel rubbing too hard? Compression marks are hard to get rid of, David's idea is a good one. I'll use that myself.
 
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