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Removing Drum Sander Scratches
Question
Forum Responses
From contributor A: I would recommend that you wipe the surface with denatured alcohol. It highlights the scratches, cleans the dust, evaporated quickly, and doesn't seem to cook ones brain like other solvents. From contributor D: If you're going to be sanding after the drum sander - wet the wood. Don't saturate but wet it like you're applying a light even stain. With good light you can see scratches. Better than that is when you put a sander on it the scratches will actually come out. The water will raise the grain and bring the scratches with it (and any other little hidden defects like dents, machine and scratches) and on woods like maple it'll cut 25-50 percent of your sanding time. I've been doing this with counters and tabletops for about 4 years now and have probably saved hundreds of hours sanding and there are no scratches when I'm done.
From contributor R: When I use the widebelt on anything I intend to sand with the random orbital after, and I always sand to the next grit finer with the widebelt than I'm going to sand with the orbital. This way it eliminates your problem and it's much faster and easier to sand 220 back to 180 than it is to sand 120 to 180. From contributor B: Using bright lights shining low across the surface will create scratch shadows. I've used this for years, and it works great. The web site below has sanding lights. http://www.carterproducts.com/product.asp?product_id=112&cat_id=10
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