Ramping Up To High Speed Machining | Makino
From that perspective, incremental improvements in "rate" mean that a shop is machining at high speed relative to what it did previously. Increasing the feed rate of a ballnose end mill in tool steel from 12 to 24 ipm and spindle speed from 4,000 to 8,000 rpm is a 100 percent increase in cutting speed and well within the capability generally ...