基于在位测量的复杂曲面复合材料结构精密磨抛工艺研究

Precision grinding process for complex curved composite structures based on in-situ measurement

针对复合材料构件型面的在位测量需求,开展基于激光跟踪测量系统和机器人集成的在位测量技术研究,搭建在位测量的硬件和软件系统,实现了系统间的信息交互。利用在位测量数据的分析反馈确定在位测量辅助精密加工方法。基于该跟踪测量系统开展了典型抛物面复合材料结构件的型面精度磨抛加工试验,结果表明通过两次加工迭代可以实现复合材料复杂曲面的精度快速收敛,大幅提升磨抛加工效率和精度。

According to the requirement of in-situ measurement of profile, the in-situ measurement technology based on laser tracking measurement system and robot integration is studied, and the information exchange between systems is realized by building the hardware system and software system of in-situ measurement. The analysis and feedback of the in-situ measurement data is used to determine the in-situ measurement-assisted precision machining method. Based on the tracking measurement system, the grinding test of the profile accuracy of the typical parabolic composite structure is carried out. The results show that the precision of the complex profile of the composite material can be quickly converged by two processing iterations, which greatly improves the grinding efficiency and precision.