航空叶片型面三坐标检测技术现状及发展趋势

航空叶片的表面质量和型面精度直接影响航空发动机的气动性和使用性能,其型面的科学检测是保证航空叶片制造精度的重要技术之一。针对目前我国航空发动机叶片测量技术、仪器装备与国外先进水平存在差距的现状,通过对航空叶片型面三坐标检测技术研究现状及发展趋势进行归纳梳理,为叶片型面检测技术和相关仪器的开发提供参考。首先,阐述航空叶片检测的必要性并介绍叶片检测技术存在的一系列技术难点。然后,分析了叶片三坐标测量技术及设备的技术现状,并重点介绍了叶片型面三坐标检测过程中涉及的关键技术及其研究进展。最后,根据航空发动机叶片三坐标检测技术的现状及技术关键指出未来的发展趋势。

Status and Prospect of Detection Technology of Coordinate Measuring Machine for Blade Surface of Aeroengine

The surface quality and proifle accuracy of blade directly affect the aero-dynamic and working perfor-mance of aeroengine. The scientiifc inspection for aeroengine blade is the crucial technologies to ensure the manufacturing accuracy of blades. Aiming at the current situation of existing gap between China's aero blade measurement technology with equipment and foreign advanced level, by summarizing the research status and development trend of coordinate meas-uring machine measurement technology for blade, it can provide a reference for the development of blade detection tech-nology and related instrument. Firstly, the importance and necessity of blade inspection are expounded, and a series of tech-nical dififculties in detecting process are introduced. Secondly, the technical status and equipment are analyzed, and the key technology and its research progress in the detection process are emphatically introduced. Finally, the development trend is pointed out based on the current research status.