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针对国内航空企业飞机结构件数控编程中存在的重复工作量大、效率低、质量不稳定、规范性差等问题,通过面向多主机厂推广基于特征的数控编程技术,切实提高飞机结构件数控编程的效率与质量。首先概述了基于特征的快速程编(FBM_NUAA)系统的整体架构,并且介绍了基于特征的数控编程技术在多家主机厂中的推广与应用情况,以及前期推广中遇到的问题,并提出了解决方案。根据多主机厂多机型过百项飞机结构件的实际应用结果表明采用基于特征的快速程编系统进行数控编程,刀轨平均自动生成率超过90%,编程时间较传统编程方式平均缩短70%以上。
Aiming at the problems such as heavy workload, low efficiency, unstable quality and poor standardization in the numerical control programming of aircraft structural parts of domestic aviation enterprises, this paper improves the NC programming of aircraft structural parts Efficiency and quality. Firstly, the overall architecture of feature-based FBM_NUAA system is overviewed, and the popularization and application of feature-based CNC programming technology in several OEMs and the problems encountered in previous promotion are introduced. solution. According to the practical application results of over one hundred aircraft structures of multi-engine factory and multi-aircraft type, it shows that the automatic programming rate of the tool rail is more than 90%, and the programming time is shortened by 70% on average compared with the traditional programming method. the above.