My favorite is Mcam's dynamic paths in aluminum, solid 3 flute standard length, 95% axial depth, 40% radial depth, and an apropriate feed and speed, so with a YG1 1/2" it is about a .2 x 1.2" cut, and i only have 10k so feed is about 150. The constant chip load gives me about 30-50% better life than a traditional path and it's fast enough, if i had more R's It would match your 1" index-able for sure. When i really want to move material then i bust out the 3/4" which takes a .4x 1.5" cut at 190ipm. Aluminum you can get away with murder, a slight difference in feed or speed doing die work in D2 and you'll be changing inserts all F'ing day.
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