Study On Force Density Function And Stress Field For Milling Insert With 3D Complex Groove

In the milling process, milling force can decide the milling heat, and the distributing rules also infect the milling capabilities of the insert, so it is very important to deeply study the milling force of diversified milling conditions. For years, man did lots of researches on the milling force and got many valuable results. But these researches are almost about milling force of the flat rake milling inserts. These years the improve of the inert material capabilities make the milling insert with 3D groove be used to automatic production. The using of groove makes the force conditions more complex, but the study about the groove insert lack of the theory supports, for the improvement of cutting capabilities and reliabilities of grooved milling insert, the distributing principles of the milling force with grooved insert are studied in this dissertation.Firstly, the milling force experiments had been done with milling force measuring system. Using dynamic data collection system, the milling force data of the same cutting parameters with different milling insert is collected and analyzed.Secondly, the experiment formula of milling force and cutter-chip is built using MATLAB according to the experiment data. Based on the formula and the math model, the density function is built, at the same time the function is visualized, which provides the boundary condition for finite analysis of stress field.Finally, the solid model and meshing model of flat rake milling insert and waved edge milling insert is formatted, then using the density function as the boundary condition, get the result of the finite stress analysis.All these studies provide the reference for the building of physics field model and groove optimization of 3D groove milling insert and provide the theory gist for the groove development of milling insert.