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The application of controlled, low-frequency modulation (∼100Hz) superimposed onto the cutting process in the feed-direction – modulation-assisted machining (MAM) – is shown to be quite effective in reducing the wear of cubic boron nitride (CBN) tools when machining compacted graphite iron (CGI) at high machining speeds (>500m/min). The tool life is at least 20 times greater than in conventional...
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