Reply by clin

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Posted on Do I need a disc sander?

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1072 posts in 1557 days

#1 posted 02-14-2017 06:52 AM

I have a large (12”?) disk sander. It is much more precise for sanding than a belt sander because the sanding surface is firm and does not flop around. While it is a great tool for quickly removing a lot of material, you have such good control you can very accurately sand to a line.

It really shines when sanding outside curves. A great complement to a spindle sander. Of course it sands flat edges well, but you are generally limited to sanding something no larger than 1/2 the disk diameter. Oddly, it is very good for sanding small parts because of the control you have.

I’m not sure how well a DIY one would work. Mine is made from a lot of cast iron. It’s heavy. I think this contributes to its precision.

-- Clin

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