TY JOUR TI STUDY OF DYNAMIC STABILITY OF A TECHNOLOGICAL SYSTEM WHEN TURNING NON-RIDIC SHAFTS KW self-oscillations KW cutting speed modulation KW modulation frequency KW shaft turning JO Scientific Papers Collection of the Angarsk State Technical University AU Chistoforova, N.V. AU Zubkov, N.V. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»