To date the effect of torsional vibration on grinding chatter has been largely ignored. Recent research on cylindrical plunge grinding has shown, however, that the torsional characteristics can signi. cantly modify system behaviour and in certain circumstances may stop chatter from occurring. In order to investigate this in more detail, both frequency and time domain solutions have been developed for a cylindrical grinding model. A description of these solution methods and a comparison of their results are presented in this paper. The potential for tailoring the torsional characteristics of the system to improve or eliminate chatter in cylindrical grinding is con. rmed by both models.
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