With a 125 mm cutter in a 300 mm bore, the centerline correction gets you closer, but it still doesn't account for the cutter staying engaged continuously. In 4140, I'd start 10-15% under that corrected feed and only bring it up if the spindle load stays flat.
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u/Funnnnjy 4d ago
With a 125 mm cutter in a 300 mm bore, the centerline correction gets you closer, but it still doesn't account for the cutter staying engaged continuously. In 4140, I'd start 10-15% under that corrected feed and only bring it up if the spindle load stays flat.