When boring performance falls off, the cause may be any one or a combination of factors. These include workpiece stability, adequate stock allowance, tooling rigidity, insert grade and geometry and the matching of speeds and feeds to cutter capability. When experiencing overly long cycle times, short tool life or poor part quality, any or all of these factors should be reviewed. In any application, one factor may be more significant than others, but they also may be closely linked to each other. Changing one may mean another also has to be changed to get the desired results. However, when making test cuts, never change more than one thing at a time.
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