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Old 06-30-2009, 09:46 AM   #104 (permalink)
Dragon
Hydrocarbons Rule
 
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Join Date: Sep 2007
Location: Okinawa Japan
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Roger that.. I guess it would have to do with uniform heating of the whole part... I was thinking along the lines of if you take say a 2 inch hole saw and start drilling in to a fairly thick piece of aluminum it will swell and start pinching the blade as it heats up. You can get the same issue when chopping thick pieces of aluminum with a chop saw or jig saw as well. I guess this would be do to localized heating of just the cut area of the part and not the whole part.
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