Originally Posted by Geof  Chip load per toothis the distance the feed advances during the rotation of one tooth. So if you want a chipload of .005" per tooth on a two flute cutter running at 3000 rpm you multiply .0005" per tooth b y two teeth which equals 0.01" per revolution so at 3000 rpm the feed has to be 30 ipm. |
Howdy Geof,
Typo above, .0005 should be .005 (oops)
feedrate = rpm x number of teeth x clipload per tooth
rpm = (cutting speed x 3.8) / diameter of tool for mill or workpiece for lathe
Cheers, Jack