Thursday, February 24, 2022

Coarse Vs. Fine Mill

The theory is a two-flute mill is better for cutting steel.  Four-flute mills are for aluminum.  Attempts to use a two flute coarse mill have been disappointing, even at .001 depth (edge milling) and .1 IPM.  After replacing the very hard to replace drive belt, I switched to a four-flute finish mill and it is successfully edge milling .001" at 5 IPM.

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