Aviation bearing bracket is an important part of aircraft and other aviation products. In this paper, based on additive and subtractive hybrid manufacturing technology with high manufacturing flexibility and high machining accuracy, a machining scheme of aviation bearing bracket is designed. First, milling simulation was carried out to obtain the influence law of different cutting parameters on machining deformation, so as to guide the selection of reasonable finish machining parameters in the subsequent process planning. Then, the temperature field distribution of workpiece in the additive manufacturing was simulated, and the influence of different additive manufacturing parameters on the results was analyzed to determine the parameter selection range. Finally, considering the material utilization rate, machining accuracy, machining efficiency and machinability in the machining process of aviation bearing bracket, and proceeding from additive, subtractive and alternating manufacturing methods, the manufacturing process arrangement and process planning for aviation bearing bracket were designed.

航空轴承支架是飞机和其他航空产品的重要组成部分。本文基于具有高制造灵活性和高加工精度的增减混合制造技术，设计了一种航空轴承支架的加工方案。首先，通过铣削仿真获得不同切削参数对加工变形的影响规律，以指导后续工艺规划中合理的精加工参数的选择。然后，模拟了增材制造中工件的温度场分布，并分析了不同增材制造参数对结果的影响，以确定参数选择范围。最后，考虑材料利用率，加工精度，