Abstract
The achievement of high accuracy parameters and the surface layer quality of the machined surface greatly depends on the dynamic stability of the system “Machine-Fixture-Tool-Workpiece”. It is especially important for machining titanium alloys because intensive tool vibrations are generated due to the adiabatic shear phenomenon. The causes and consequences of such effects are described in the article. The paper also describes a specific method for studying the dynamic state of the cutting system of titanium alloys, based on the system integration of the classical method of the analytical description of the vibration processes arising when machining and the method of rheological simulation of the cutting process. Two important problems are proposed to be solved for the effective analysis of the system modeling results: first, it is the filtering of the noise signal with preservation of the limiting values of modeling results and maximum sensitivity using the Savitsky-Golay mathematical apparatus; second, the problem of approximation and interpolation of the filtered function of cutting parameters by Fourier transform in time.
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