拓扑误差 meaning in Chinese
topological errors
Examples
- Difference surface in combination with the least square method is employed for the evaluation of topographic deviation for sbg
将差曲面和最小二乘法相结合进行螺旋锥齿轮拓扑误差评定。 - Geometrical and physical meanings of difference surface are presented , and the parameters of tooth surface topographic deviations are derived . in addition , the complete mathematical formulae of the 0th , the 1st , 2nd order form deviations is proposed , and diagnostic parameters of each order form deviation is gotten by the least square method , which lead to evaluate the tooth surface topographic deviation quantificationally
系统地给出了差曲面的几何意义和物理意义,提取了齿面拓扑误差参数;给出了零阶误差、一阶误差、二阶误差的完整数学公式,并且用最小二乘法得到了各阶误差的特征参数值,实现了对齿面拓扑误差的定量评定。 - Based on the conception of gear global deviations , starting with the related factors influencing sbg ’ s deviations , the paper has explored the quantitative evaluation of topographic deviation for sbg by means of mathematical method in combination with measurement principle , and has developed the software of sbg ’ s deviation evaluation
基于齿轮整体误差概念,从影响螺旋锥齿轮误差形成的相关因素出发,利用数学方法结合测量原理,本文对螺旋锥齿轮齿面拓扑误差的定量评定进行了探索,开发了螺旋锥齿轮误差评定软件。 - The two key factors , machining methods and machine - setting parameters of sbg , which are related with the generation of theoretical tooth surface and topographic deviation for sbg , are analyzed in details . after building the machine - tool mathematical model and computing the tooth surface parameters , using the given conditions and mesh equation , the coordinates of the theoretical tooth surface of sbg can be computed , and , then , the theoretical tooth surface model of sbg is derived
本文详细地分析了形成螺旋锥齿轮理论齿面及产生拓扑误差的两个关键因素,即螺旋锥齿轮的切齿加工方法和机床调整参数;通过建立机床数学模型,计算齿面参数,用已知条件和啮合方程进行联合求解,得出了理论齿面的坐标值,从而获得了螺旋锥齿轮的理论齿面模型。 - The first generation spatial analysis database system , sadbs , uses " realms " as expression base of spatial data . it adopts discrete integer coordinate system to solve topological error in spatial database . it also uses multi - index data organization and plane - sweep algorithm , which improve the performance of spatial analysis operations
第一代空间分析数据库系统sadbs使用realms作为空间数据的表示基础，它利用离散化的整数坐标系统，解决了空间数据库的拓扑误差问题；使用多索引的数据组织方法，引入平面扫描算法，提高了空间分析操作的性能。