| clearance |
is the amount of space on the non-cutting pace of the cutting edge that keeps the tool from rubbing the workpiece as it rotates and traverses. Large clearance angles are preferable when cutting at high feed rates, but reduce the durability and resharpening capability of the tool.
출처: shopweb.eng.uah.edu/CNC%20Milling/Mill%20Tool%20Te...
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