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Thread: Pressure Fitted pins
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07-29-2009, 05:36 PM #20
IMHO the tightness of your pin will be entirely dependant on the ultimate bearing strength of the wood you're using (which is in the order of 1/10th that of metals and plastics). Essentially you are using a fancy way to drive a nail into the scales without splitting them.
Also, as was said, the runout on your drill is likely more than the thermal contraction you can get on a 1/16" pin in liquid nitrogen.
Cheers,
Dan (B.Eng Building Engineering)