Abstract
Orthogonal shaped turning is a non-free cutting process, because the main geometric and force parameters are variable while radial infeed of a tool: side cutting edge angle (SCEA), width and thickness of cut, rake angle and flank angle etc.. In this regard, the existing force dependencies, which are used for stationary conditions of cutting, are not applicable. Analytical dependences for calculating variable cutting forces while orthogonal turning are obtained on the basis of experimental studies in this work. This approach takes into account the cutting areas and corresponding specific pressures using correction coefficients for changing cutting conditions during machining. The obtained calculated dependences are universal and can be used for a free cutting process, i.e. while cutting with a constant value of radial infeed. The obtained analytical dependences make it possible to calculate the energy parameters in the cutting process: power, torque and work in conditions of orthogonal shaped turning.
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