CALCULATING THE FORCES OF CUTTING WITH A SINGLE ABRASIVE GRAIN OF THE ORIENTED GRINDING CIRCLE
Urgency of the research. Grinding grain is acted by single forces during the grinding by oriented circle. Determination of the real values of forces in the processing zone allows you to select the optimum grinding conditions. Target setting. When we using empirical or computationally-empirical methods of determining the cutting forces during grinding, inaccuracies arise because of the need to determine the experimental data. Actual scientific researches and issues analysis. A technique is proposed for calculating the cutting forces during grinding by an oriented tool that considers deforming grains in the contact zone. Software methods for calculating cutting forces that use the finite element method are common. Uninvestigated parts of general matters defining. The methods of calculating the cutting forces that arise when grinding a oriented circle and act on one abrasive grain are not considered. The research objective. Calculation of cutting forces that act on a single abrasive grain during grinding with the crossed axes of tools and detail. Determination of cutting forces by modeling the processing process in the Abaqus system and using the calculation-experimental method. The statement of basic materials. Modeling of the cutting process by a single abrasive grain of the oriented tool of the workpiece surface in the software package Abaqus was carried out. The revealed regularities of the change in the cutting force along the cutting edge of the grain. The total cutting force acting on one abrasive grain is calculated using the finite element method in the Abaqus software package and using the calculation and experimental formulas in the mathematical package Mathcad. Conclusions. The found regularities of the distribution of cutting forces will enable the optimal choice of processing modes.