基于关节臂测量机的发动机叶片型面测量技术研究  

Research of Turbine Blade Profile Measuring Technique Based on Joint Arm Measurement Machine

作　　者：王巍[1] 谷天慧[1] 俞鸿均 穆志国 

机构地区：[1]沈阳航空航天大学航空航天工程学部,沈阳110136

出　　处：《机械工程师》2016年第4期36-38,共3页Mechanical Engineer

摘　　要：航空发动机叶片的型面质量直接影响其能量转换效率,长期以来针对复杂曲面零件的数字化测量一直是众多学者的研究热点。关节臂测量机既能通过硬测头实现接触式测量,又能实现非接触式激光扫描测量。基于特征块的特征并结合最小二乘法实现点云数据的精确拼接,对发动机叶片数字化测量技术的发展起到了积极的作用。The quality of aircraft engine blades profile influences its energy conversion efficiency directly. The digital measurement of complex cambered parts has always been the hot issue which many scholars research for a long time.The joint arm measurement machine can not only implement contact measurement by means of hard probe but also implement non-contact laser scanning measurement. The characteristic block is combined with the least square method to actualize the point cloud datum joint accurately. It has a positive effect on the development of turbine blade digital measurement technology.

关 键 词：叶片 关节臂测量机 激光扫描 特征块 最小二乘法 

分 类 号：TH542[机械工程] TP391.72[自动化与计算机技术—计算机应用技术]