Despite many years of research on the impact of vibrations on the quality of manufacturing parts and tool stability during machining, these problems are still relevant. One of the reasons is uncertainty regarding the pattern of occurrence of types of oscillations during mechanical processing and their effect during cutting. Therefore, the work aimed to determine the patterns of occurrence of types of oscillations during mechanical processing and their effect during cutting. The research was carried out when turning parts according to various schemes. Turning is a universal operation where it is possible to carry out continuous processing, intermittent turning, and different depths of cutting. During the experiments, a special device was used, with the help of which it is possible to provide different dynamic characteristics of the cutter. The cutting modes were chosen so that turning occurs with self-oscillations. With the help of eddy current sensors and an electrical contact device, oscillograms of the technological system's oscillations during cutting were recorded, with the cutting time and spindle turn marked on them. During the continuous turning of a cylindrical part, there
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