航空液压壳体基于特征的快速编程应用实践与建议  

Application Practice and Suggestions of Rapid Programming of Aviation Hydraulic Shells based on Feature

作　　者：郭学平 王永鹏 李紫刚 徐伟 刘旭[2] 陈璐 GUO Xueping;WANG Yongpeng;LI Zigang;XU Wei;LIU Xu;CHEN Lu(AVIC Qingan Group Co.,Ltd.,Xi’an 710077,China;College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]航空工业庆安集团有限公司,陕西西安710077 [2]南京航空航天大学机电学院,江苏南京210016

出　　处：《新技术新工艺》2024年第7期6-12,共7页New Technology & New Process

摘　　要：论述了航空液压壳体数控编程的特点及存在的问题,针对孔及孔系特征采用目前基于CATIA软件的人机交互编程方法带来的编程周期长、重复工作量大、知识重用率低等难题,提出通过引入基于特征的快速编程技术加以解决。重点介绍了典型加工特征分类、工艺知识库建立、工艺决策规则定义、基于特征的快速编程系统构建等应用实践,并通过实例进行了验证。结果表明,基于特征的快速编程技术能够大幅缩短编程周期,降低重复工作量,提高编程规范性和质量一致性,促进知识积累。最后,给出了基于特征的快速编程技术的应用建议,以期为在其他类型零件或特征上的应用提供借鉴和参考。It was discussed that the characteristics and existing problems of NC programming of aviation hydraulic shell.In response to the problems of long programming cycle,large repetitive workload and low knowledge reuse caused by the current human-machine interaction programming method based on CATIA software for holes and hole system characteristics,we proposed the method for solving the problems by introducing feature-based rapid programming technology.It was introduced that the typical machining feature classification,process knowledge base establishment,process decision rule definition,feature-based rapid programming system construction and other application practices,and it was verified by examples.The results indicated that feature-based rapid programming technology could significantly shorten programming cycles,reduce repetitive workload,improve programming standardization and quality consistency,and promote knowledge accumulation.Finally,suggestions for the application of feature-based rapid programming technology were given,which provided reference and inspiration for its application in other types of parts or features.

关 键 词：航空液压壳体 孔系特征 特征编程 工艺知识库 工艺决策 应用建议 

分 类 号：V263[航空宇航科学与技术—航空宇航制造工程] TH162[机械工程—机械制造及自动化] TH39