Определение сил резания, действующих на передней и задней поверхностях резца

Abstract

A new theoretical approach to the determination of the cutting forces acting on the front and rear surfaces of the cutter, with the cutting position of the separate accounting processes and friction. This allowed them to settle on the basis of experimentally determined values of the tangential and radial components of the cutting forces and scientifically approach to determining the conditions of friction reduction of the share of energy in the overall energy balance of the cutting process. An example of calculating the cutting forces acting on the front and rear surfaces of the tool during turning, and it is shown that the proportion of the friction energy in the total energy balance of the process of cutting the rear surface of the cutter rake angle in cutter comparable ϒ=20ᵒ and ϒ= –10ᵒ significantly greater proportion of energy friction in the overall energy balance cutting process on the front surface of the tool. These results confirm the accuracy of the proposed theoretical approach to the determination of the cutting forces acting on the front and rear surfaces of the cutter.