3. Vibration-related mechanisms
It is possible to highlight a number of characteristic behaviours, which we illustrate here mainly for milling.
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Negligible vibration
The tool path is precisely followed by the machine, and only the marks of the passage of the spaced teeth from the feed to the programmed tooth can be seen on the machined surface (figure 10 a).
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Vibrations in phase with tooth impact
When the stiffness of the machine-tool-workpiece system is insufficient, the cutting force undergoes periodic variations, creating noticeable vibrations, known as forced vibrations.
As these vibrations are, to a first approximation,...
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Vibration-related mechanisms
Simple mechanical model of the chatter phenomenon
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