Theoretically, yes. However, using one my least favorite phrases, “in the real world” it doesn’t. There are obvious reasons for this. There will be runout from the endmill to toolholder connection. It might be very little or a lot. Imbalance may increase runout at speed. There is also the dynamic behavior of the tool during the cut. Milling is unique in that the cutting forces are acting on the side of the free end of a tool, a cantilever beam, at its weakest point. These forces are discontinuous, coming with each tooth impact. If the forces are small the endmill will cut close its diameter. If the forces are greater, the displacement of the cutter causes it to cut a larger slot. New tool path strategies avoid full slots, but the static (runout) and dynamic (vibration) behaviors still remain, perhaps resulting in inaccurate parts.
It is possible to measure the tool point and predict stable speeds that will minimize displacement, increasing surface accuracy.
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