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In Reply to: RE: Making clean holes in Sorbothane posted by ianm0 on June 28, 2012 at 18:53:25
I have made punches from thin wall steel tubing sharpened razor sharp and made clean holes in various flexible items 1/4"-3/8" thick (closed wall foam , rubber , cork, wetsuit foam material etc.)If you have enough material to practice with try a couple of "test holes" first, make sure it's razor sharp and use a few drops of dish soap for a lubricant.Try chucking it in your drill and spinning it slowly. I have also used a rifle shell with the correct diameter brass,It stays sharp for a couple of holes.Use a piece of leather or Balsa wood to support the foam. Depends on how thick it is for it to cut cleanly Good Luck ! :^)
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