Verified Answer :

in up milling the cutter rotates clockwise when cutting the workpiece from right to left. in down milling the cutter rotates clockwise when cutting the workpiece from left to right

he difference between down milling and up milling is the
directions. When you say down milling, the direction of the cutter is going to
the same direction of your feed. While for up milling, the direction of your
cutter is going against the feed. The cutter and the feed would go to opposite
directions

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