Heavy turning of "gummy" metals usually forces machine shops into a triage dilemma: they have to choose to emphasize cycle time performance, or chip control, or tool life, but they will not get all three of these goals at once, or even two of the three. Cutting deeper improves chip control and speeds up the operation but raises the risk of rupturing the tool at any moment. Cutting shallower may prevent tool rupture, but it slows down the operation, requires more passes and can ...

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