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Re: drilling larger holes in aluminum
Quote:
Originally Posted by ChuckDickerson
We also use annular/Hougen/Blair cutters quite a bit. We have small hole (up to 3/4") and large hole (up to 1-1/2") sets. The only issue with them is the cutter is often very difficult to remove from the arbor after use. We use the little spacer/washer but often it is a a real struggle getting the cutter off. Maybe we are doing something wrong? Does anyone have any tips or tricks to making it easier?
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Our set has a small flat on the top away from the cutting edge and we just use a set of channel locks or a wrench to break them loose. Very much important to wait for them to cool down before doing this as that makes it easier too and prevents burns from touching a hot cutter. We typically just grab the arbor in a vise and then break it loose so we can finish removal by hand.
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Andrew Basse
Coach - FRC Team 3572 - Wavelength
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