That video showed 2xdeep and 5 percent step over and about 1 1/2 degree ramp in angle should make the 3/8 Endmill sing right along that’s about what I run and get good tool life
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that vid IS the part im making last time ran it. was a 0.05" stepover and a 4 deg ramp on the bore. only getting 5-7 of that op done before the tool breaks tho
I have 10 of that op2 to run tomorrow, gonna drill out the center hole clearence this time. but need to see better tool life on the parts, it would be nice to at least run op1 and op2, 10 full parts with one endmill. honestly that even seems like bad tool life to me?