Research on surface profile measurement of weak-rigid plate

Guanyu Zhou, Wei Wang, Min Xu
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Abstract

Weak-rigid components have a wide range of applications in the fields of aerospace, vehicle and ship power. They have the characteristics of high accuracy, poor rigidity, and easy deformation. The uncertainty of their deformation has an important impact on the overall performance and subsequent use of the equipment. Weak-rigid plates are one of the most common types of weak-rigid components. At present, the research on weak-rigid plates mainly focuses on the deformation control of the workpiece during processing, and there are relatively few studies on the measurement of comprehensive parameters. The surface profile parameters of the weak-rigid plate will reflect the performance and processing quality of the weak-rigid plate. In this paper, a comprehensive index measuring device for weak-rigid components based on dispersion confocal sensor and a stress change test system for weak-rigid components based on dynamic interferometer are used to accurately measure the surface profile of weak-rigid plates, which provides a basis for its process parameters and subsequent assembly use. It provides a reference for the subsequent measurement of the surface profile and thickness of weak-rigid curved components.
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弱刚性板表面轮廓测量方法研究
弱刚性构件在航空航天、车辆、船舶动力等领域有着广泛的应用。它们具有精度高、刚性差、易变形等特点。其变形的不确定性对设备的整体性能和后续使用有着重要的影响。弱刚性板是最常见的弱刚性构件类型之一。目前对弱刚性板的研究主要集中在加工过程中工件的变形控制上,综合参数的测量研究相对较少。弱刚性板的表面轮廓参数将反映弱刚性板的性能和加工质量。本文采用基于色散共聚焦传感器的弱刚性元件综合折射率测量装置和基于动态干涉仪的弱刚性元件应力变化测试系统,对弱刚性板的表面轮廓进行了精确测量,为其工艺参数和后续装配使用提供了依据。为后续测量弱刚性弯曲构件的表面轮廓和厚度提供了参考。
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