I purchased a 5" dia 8 insert facemill from exkennametal and I am not sure how hard I can push it. I made a few passes with it and this is how far I pushed it in mild steel, 3.5 width of cut, 475rpm, 27.5ipm, .125doc, the spindle load meter at that point was at 60% the machine is rated at 100% countinuas. So I guess my question is can I go farther without parts flying, or am I already at this point, and if I can push it farther what would you change?
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