外弧面 meaning in Chinese

extrados

From the aspect of geometry , structure design , manufacture and examine , this paper generally summarizes the gcm ' s study progress in detail , discusses its kinetic rule and the determination of its primary structure parameter , and educes its surface equation and pressure angle equation based on the homogeneous matrix transformation and the conjugate engagement theory of spatial surface . on the basis of geometry study of gcm , the paper makes a comprehensive analysis to the interference phenomenon that will possible exist in the assemble course of two different structure of gcm with the help of matlab software
本文从运动几何学、结构设计、动力学、制造和检测等方面对国内外弧面凸轮机构的研究进展进行了全面综述，详细论述了高速凸轮机构的运动规律和弧面凸轮机构基本尺寸的确定，基于空间曲面共轭啮合原理，通过齐次变换推导了外弧面凸轮的曲面方程和压力角方程，并提出了对应的廓面修形算法；提出了内弧面凸轮机构的构想，推导了内弧面凸轮的曲面方程和压力角方程。