【摘要】 摸索了大直径薄壁抛物面零件数控加工工艺和镜面效果获得方法,通过设计工艺加强筋,设置半精加工和精加工切削参数,研究了不同切削状态对零件表面质量的影响。仿真和加工验证表明,按曲面曲率分层加工结合抛光的加工工艺能获得较高的表面质量和加工精度,满足抛物面天线的加工要求。更多还原

【Abstract】 In this paper,the CNC machining process and implementation methods of mirror surface of large diameter and thin walled paraboloid antenna were groped.By the way of designing stiffeners,setting cutting parameters,the effect on surface quality of different cutting conditions was studied.Simulation and machining proved that the methods of stratified cutting and manual lapping and polishing can obtain high machining accuracy and roughness,which satisfied the machining requirements of paraboloid antenna.更多还原