Index terms: machining, plane shift, numerical experiment.
Abstract: The authors of the paper describe the methods and results of a numerical experiment by means of which the forces acting in the process of cutting are determined. The relevance of research is due to the fact that the cutting forces are one of the key factors in the chip formation process. The forces influence the quality of the surface treatment, load the elements of the technological system: workpiece, tool, tool. To perform numerical calculations, the authors used the formulation of the finite element method based on minimizing the integral value associated with the operation of voltages and the external applied load-the potential energy. The result of computer calculations is the picture of the stress-strain state of the chip element for a given ratio of cutting forces. This technique of computational experiment can be used to calculate the cutting forces in the design of the cutting tool, the tooling and the evaluation of the rigidity of the technological system.