MODEL FOR CUTTING EDGE TOOLS IN ORDER TO EVALUATE PLASTIC DEFORMATION AND FRICTION FORCES AT HIGH SPEED MACHINING

摘要

Taking into account the evolution of the cutting efforts F_x, F_y, F_z as functions of time and speed, for constant values of other cutting process parameters, with the proposed model we can determine the values for physical components of cutting force and friction coefficient. We can see that the values of these components and of the friction coefficient decrease with by the cutting speed increase.rnThe acquisition data system and the proposed model, for a variation law of the friction force on flank surface, make it possible determine and to study the variation of these components in dynamic.