摘要
针对航空薄壁工件的壁薄以及结构复杂,在加工时会出现刚性低、材料去除率高以及易发生干涉等难点,分析了薄壁件加工变形与残余应力的主要影响因素。为保证在加工过程中薄壁件的刚度,研究制定了薄壁件铣削加工方案,剖析了薄壁件的结构特点,展开了加工工艺研究。根据机床特点利用UG CAM设置参数并进行后置处理,生成了相应的走刀轨迹,并运用VERICUT进行仿真加工,将验证后的加工工艺应用于实际加工中,实现了薄壁件高效率、高精密、高可靠性的数控加工。
The main influence factors of deformation and residual stress when processing thin - wall part was analyzed, aiming at a series of features such as the thin wall of thin - wall part of aircraft and complicated structure, etc, and the difficulties such as low rigidity in processing, high material removal rate and easy occurrence of intervene. Processing scheme of thin - wall part milling was developed, structural features of thin - wall part was dissected and research of processing technic was arranged in order to guarantee the rigidity of thin - wall part during the course of working in this research. The relevant cutting path was created by setting parameters and doing post process with the application of UG CAM according to the features of machine tool ; and simulating manufacturing was conducted by using VERICUT. Apply the processing technic that was verified into practical course of process, NC machining with high efficiency, high accuracy and high reliability for thin -wall part is thus achieved.
出处
《制造技术与机床》
北大核心
2017年第4期77-81,共5页
Manufacturing Technology & Machine Tool
基金
四川省重点项目:重大水电设备构件系统研究与平台开发(2008GZ0149)
关键词
航空薄壁件
数控加工
工艺分析
后置处理
仿真加工
thin - wall part of aircraft
NC machining
process study
post process
simulating manufacturing
