Orthogonal Milling Experimental Verification of Constitutive equation of flat Graphite cast Iron

The experiment was carried out in the DAEWOOACE-V500 vertical machining center. The schematic diagram of orthogonal milling is shown in figure 1. In the experimental process of the edge inclination angle of the tool used in this experiment, only one cutting edge participates in the cutting, and the cutting edge is perpendicular to the cutting speed direction, which meets the experimental conditions of orthogonal milling. The experimental parameters of orthogonal milling are the same as those of orthogonal turning.

A three-dimensional reverse milling model is established by using AdvamEdge simulation software. The experimental tool is a coated cemented carbide tool. The geometric parameters of the tool in the simulation model are the same as those used in the experiment. The software has its own constitutive equation and the constitutive equation established in this paper is used for simulation. Figure 2 shows the comparison between the simulated tangential force and the measured value.

It can be seen from figure 2 that the main cutting force values of the two simulation results are larger than the measured values. At each cutting speed, the simulation accuracy of the Jmurc constitutive equation established in this paper is better than that of the AdvantEdge software when used to predict the cutting force, which verifies the effectiveness of the Jmurc constitutive equation established in this paper.