On the Representation of Spiral by Normalized B-Basis;
基于规范B基表示的空间螺线相关研究
Based on analysis of interpolation mechanism for parametric curve, in this paper, 2D and 3D spiral curves interpolation algorithms with constant feedrate are developed on the one hand and the contour errors and corresponding approximate calculation formulations are discussed on the other.
基于参数曲线恒速插补机理分析 ,建立了平面和空间螺线的恒速插补算法 ,讨论了插补误差及其有效近似计算 ,通过 Auto LISP编程进行实例插补模拟。
Calculation and Analysis of the Contact Strength of Logarithmic Spiral Profile Connection;
对数螺线型面联接接触强度分析与计算
However, logarithmic spiral can be used to substitute for the Archimedes curve to solve such problems and guarantee the stability of cutter machinability.
若改用对数螺线作为铣刀铲背曲线,则克服了阿基米德螺线的不足。
The automatic generation of logarithmic spiral is achieved by means of the language of VBA embedded in AutoCAD.