针对叶轮叶片等复杂曲面的半精加工或精加工过程的仿真需要预测铣削力，根据叶片铣削工艺规划，建立了锥度球头铣刀五轴侧铣加工叶片型面的刀轴运动和铣削力预测计算模型。结果表明：所建立的铣削力预测模型仿真计算结果与实验结果吻合度较高，基本满足实际加工过程中的铣削力预测要求。该模型可用于叶轮叶片或类似曲面的五轴侧铣加工过程的铣削力预测，为优化加工参数、提高加工效率等提供了仿真分析工具。

Tool movement model and milling force calculation model are presented for five-axis flank milling blade with tapered, helical, ball-end mills, and then geometrical simulation and milling force prediction are carried out for the semi-finishing or finishing process of complex surface such as integral impeller. Simulation and experimental results show that the mathematical model of milling force prediction has reasonable agreement with the actual machining results. The mathematical model can be used to predict the milling force of the five-axis milling process of impeller blades or similar surfaces, which provides a simulation analytical tool for optimizing the machining parameters and improving processing efficiency.

TH166,TG659

四川省科技计划项目（2017JY0047,2017NZ0031）