We are going to be cutting Aermet 100 for the first time, and could use some guidance. For these parts, the minimum fillet doesn't go below R.125 at about a 1.00 LoC, so we can get away with a 1/4" endmill for the whole length. From what I've gathered on eng-tips, some folks are doing 300SFM at about .002/tooth, but I don't know for what machine/tools/etc. We will be doing all the work in an Okuma vertical mill that has been proven to work well for 4340M at around 55HRC.
Does anyone have any experience with this stuff?
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