In CNC milling, down milling or up milling?


Time:

Dec 21,2023

In CNC machining, the rotation direction of the milling cutter generally remains unchanged, but the feed direction changes. There are two common phenomena in milling processing: down milling and up milling.

In CNC machining, the rotation direction of the milling cutter generally remains unchanged, but the feed direction changes. There are two common phenomena in milling processing: down milling and up milling.

The cutting edge of a milling cutter is subjected to impact loads every time it makes a cut. For successful milling, the correct contact between the cutting edge and the material must be considered as the cutting edge enters and exits during a cut. In the milling process, the workpiece is fed in the same or opposite direction as the direction of rotation of the milling cutter, which affects the cut-in and cut-out of the milling and whether the down milling or up milling method is used.

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In CNC milling, down milling or up milling?

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