I’m Working in Genuine Mahogany(Central American?). I idea was to make a handrail that is cup in th center and has rounded sides. The material is 13/16″ x 3″. After surfacingand sizing the material I decided to use a W&H moulder (set speed)with a cutter that was used to make crown mouldings. Because of the shape of the cutter, I’m required to run it through in both directions. I’m taking it down is small cuts. The problem that developed is tear out and fuzzing to the point that I sure I’ll have to start over with new wood on some of it. The grain seem a bit eccentricity at lest on some of the pieces. Sanding also adds to the fuzziness. I have yet to try using a scraper. Moisture content is 6-8%. I’m open to suggestion. Thanks for reading this.
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Replies
Over the last few years I've used about 5000 bd ft. of Honduras mahogany for trim, doors and furniture. Sometimes you get a piece that's going to be fuzzy no matter what you do. It seems to be always the lighter colored lower density straight grain stuff in which the grain comes out of the wood at a slight angle. You can minimize the problem by planing it in the direction which gives the least tearout/fuzziness, scraping in the same direction, finish with sanding sealer, then sand and final finish with lacquer or poly.
Hardelm,
Often a skim cut to finish (1/16" or so) helps with tearout.
Getting the blades resharpened would probably also help - a razor sharp set leave minimal tearout.
Cheers,
eddie
Try taking a light cut with sharp blades and dampen the wood with a wet sponge just before you run it through the machine.
John W.
It's just that way..sharp knives help and I have had the exact same thing many times..that fuzz is sometimes where the grain is bending and no matter what ya do..it is fuzzy..it does still finish nice tho' don't be too concerned unless big chunks are flying out..then ya have a problem..prepare for some sanding (but you were already right? you know you can't go from molder to finish right?)
EDIT..sorry that was for the original poster..cant edit it..
Edited 1/17/2004 7:37:49 PM ET by SPHERE
hello hardelm.
Are you using a zero clearance fence on the moulder? this may help with the tear-out and if you lightly sand seal the fuzzy before you scrape and sand . hope this helps
regards Tea bag
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