界限线 meaning in English
margin line
Examples
- The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation , presents the equations related to the main inducement curvature of the cam profiles , analysis and deduces the equations of two circumscription curves , which judge if the conjugate surface could mesh properly . some calculate examples and conclusion are given . the surface equation of the globoidal cam and conjugate equation are established
论文首先在分析空间啮合原理基础上，采用坐标变换法推导出弧面分度凸轮的工作廓面方程、啮合方程和压力角计算公式，对弧面分度凸轮的啮合特性进行了深入的分析和研究，对判断曲面能否正确啮合的依据如两类界限线方程以及诱导主曲率等进行推导，并给出算例。 - Equations of mesh , shorting contact line , undercutting limit line , meshing limit lines and the existence conditions , angle between the direction of relative speed and the direction of contact line , induced normal curvature about every point on the contact line are established . moreover , the paper also theoretically analyzed the error of the grinded gear surface . on the basis of the theory , the computer program is worked out to automatically produce the contact line and the boundary curves of mesh . analysis of meshing circs under different parameters can be done so that we can gain the best process condition
首先对渐开面二次包络理论进行了深入的探讨，推导出了两次啮合的啮合方程式、瞬时接触线方程式、根切界限线方程式、啮合界限线的方程式及其存在条件，相对运动速度方向与接触线方向的夹角及接触线上各点的诱导法曲率；此外，还对磨齿后工件的齿面误差进行了理论分析；并在理论基础上编制了相应的计算机程序，自动生成接触线族及啮合界限线，对不同参数条件下的啮合情况进行分析，可以使工艺条件达到最佳状态；最后研究了磨齿装置，设计了磨齿机的传动系统。