Reply by JBrow

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Posted on Grizzly or Woodmaster dual drum sander?

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1368 posts in 1427 days

#1 posted 02-29-2016 01:42 AM


You are right, when a cupped, warped or whatever panel passes under the drum sander rollers, it will flatten the cupped panel while under the drum and then the panel springs back when it emerges – especially 3/4” and thinner panels. I probably should have said “flush-up” rather than “flatten”. I guess I just exposed my feeble understanding of English.

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