uni-directional mold machining | |
I'd like to know if, on "real good" cnc machine tools, is it common to have to mill in one direction for acceptable results? I am referring to planar type finish paths, using ballnose cutters, in complex 3d paths.
Even if your machine had near zero backlash, would servo lag still cause a slight drag effect which effectively doubles the displacement between adjacent passes, were you to simply mill back and forth?
How good are present day tools? (I run older stuff).
Thanks.
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