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The mathematical model of machined workpiece by orthogonal turn-milling with ball-end milling cutter is established, which takes the effect of ball-end milling cutter eccentricity into account. The simulation steps and flow chart of the algorithm are also given in this paper. The relation between representative turn-milling parameters (feed per tooth) and machined surface micro-pattern has been ascertained, which provides evaluation mechanisms reference for surface micro-pattern in the turnmilling affected by other machining parameters, the surface micro-pattern simulation is developed base on computer programming. The consistency of surface micro-pattern in simulation and machining experiment is verified, which is in the aspect of shapes and positions layout of peaks and valleys on the micro-pattern. This model is effective and feasible that it also can provide a basis for rational selection of cutting parameters in turn-milling.

Research on Surface Micro Pattern Generation in Turn-Milling Considering Ball-End Milling Cutter Eccentricity