基于侧边基准面标定的叶片型面光学检测  

Research on Optical Inspection Method of Blade Profile Based on Side Datum Plane Calibration

作　　者：欧登荧 殷鸣[1] 王宗平 刘浩浩 郑昊天 OU Deng-ying;YIN Ming;WANG Zong-ping;LIU Hao-hao;ZHENG Hao-tian(School of Mechanical Engineering,Sichuan University,Chengdu 610065,China;School of Aeronautics and Astronautics,Sichuan University,Chengdu 610065,China)

机构地区：[1]四川大学机械工程学院,成都610065 [2]四川大学空天科学与工程学院,成都610065

出　　处：《组合机床与自动化加工技术》2022年第1期98-102,共5页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家博士后基金(2021M692322);四川省科技计划项目(2021ZHCG0010);川大-自贡校地战略合作资金项目(2019CDZG-2)。

摘　　要：叶片型面精度直接影响其工作性能和使用寿命,高效和精确的叶片型面检测对其质量控制至关重要。对此,建立了一套面向叶片型面精度测量的四轴光学检测系统,提出了一种基于叶片侧边基准面快速标定其回转轴线的型面光学检测方法。该方法可在不引入外部标定物的情况下,完成叶片型面的快速测量与重构。该方法测得实验数据与三坐标机检测数据相比,其轮廓度平均偏差在0.010 0 mm以内,最大标准偏差为0.010 4 mm,在简化检测流程、优化检测方法的同时,保证了叶片型面的检测精度,为叶片型面光学检测提供了一种新的解决思路。The accuracy of the blade profile directly affects its working performance and service life.Efficient and accurate blade profile detection is essential to its quality control.In this regard, a set of four-axis optical inspection system for blade profile accuracy measurement was established, and a profile optical inspection method based on the blade side reference plane to quickly calibrate its rotation axis was proposed.This method can complete the rapid measurement and reconstruction of the blade profile without introducing external calibration objects.Compared with the CMM test data, the experimental data measured by this method have an average deviation of profile within 0.010 0 mm and a maximum standard deviation of 0.010 4 mm.While simplifying the inspection process and optimizing the inspection method, it ensures the inspection of the blade profile.Precision provides a new solution for the optical inspection of blade profile.

关 键 词：光学检测 轴线标定 线结构光 叶片 数据重构 

分 类 号：TH741[机械工程—光学工程] TG506[机械工程—仪器科学与技术]