inside new liners this formula can be derived for ball diameter sizing and selection: Dm 1978) have to be used in conjunction with equation 1.Based on his work19 Cutting Data. Plunging and Slot Milling S50C MSZ345 / 3-Flute POWER "Z" End Mill; High Efficient Milling on Aluminum A5052 ALZ345/AL3D-5 / End Mills for Aluminum; Die-cut & Punch Model HAP40 / 65HRC MRBH230 / Long Neck Ball End Mill; Mirror Finishing STAVAX / 52HRC PCDRB / …2) Ball milling – a ball mill with a diameter of 2.44 meters,