针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。
To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.
在此基础上得到加工后内廓曲面，为数控加工中刀具轨迹的规划奠定了基础。
Using this method, the post-machining inner surface is obtained, and it makes the cutting locus planning in NC machining process possible.
在复杂曲面数控加工中，刀位轨迹生成算法的优劣在一定程度上影响最终加工表面质量和加工效率。
Tool path generation is important for complex parts nc machining, and the methodology of tool path generation affects the efficiency and quality of parts machining.
该模型可以按给定精度要求逼近测头中心轨迹曲面。
The model could approximate to the trace surface by given accuracy.
本文介绍了一个复杂曲面数控加工轨迹的生成与显示软件。
This paper introduces a software for producing and displaying the NC working locus of workpiece with complex surfaces.
提出一种组合曲面加工无干涉刀具轨迹的生成算法。
An algorithm is presented for generating interference free tool paths in nc machining of compound surfaces.
设计过程中按推导出的数学方程构造各段螺旋线，并以该螺旋线作为扫描轨迹，遵循范成法原理包络出螺杆的各段螺旋曲面。
The varying pitch helixes were constructed on the parameter equation, and were selected as sweep trajectory; the surface of the screw was enveloped on the generating method.
根据被加工的曲面特征，通过计算机模拟其加工过程，来寻求最优的刀轴运动轨迹和刀具几何特征参数。
The paper features an attempt to find the optimal axle moving locus of cutting tools and geometric parameter, based on the surface features and by means of a computer simulate machining process.
针对复杂曲面工件内部缺陷的超声检测，提出了一种新的近似等弧长超声检测轨迹生成算法。
Aimed at internal defect ultrasonic inspection for sculptured surface parts, the paper presented a new nearly arc-length approach to path generation.
提出了一种基于参数曲面三角化的复杂曲面刀具轨迹生成方法。
Based on the triangulation of parametric surface, a new method of tool path generation for complicated multi surfaces is presented.
对汽车覆盖件模具数控加工的质量分析表明，曲面造型和刀具运动轨迹的生成，是数控编程加工中的两大关键性技术。
From the quality analysis of NC machining of pressing dies of the motor vehicle covering parts, it shows that styling of the curved surface and cutter paths creating are two critical techniques.
本文针对曲面加工中的补加工技术进行了理论和工艺分析，对曲面交线、等高线补加工等刀具轨迹生成算法进行了探讨。
This paper theoretically and technically analyzes the makeup machining of curved surface, and discusses the generating algorithm for cutter track of makeup machining of contour.
它对走刀路线控制灵活，生成的刀具轨迹均匀，效率高，适合于自由曲面的加工。
It can freely control the cutting-line, and can generate the average tool path. It is suit to the machining of freeform surfaces.
提出了一种新的曲面平头立铣刀加工无干涉刀位轨迹自动生成的算法。
A new algorithm of automatic generation of interference free cutter location path for nc machining of free form surfaces with flat end cutters is proposed.
另外，对路径偏移中出现的缝隙给出了填补方法，并使偏移后的路径轨迹延伸至曲面边界。
Furthermore, a method is presented to fill the gaps between paths and extend the endpoints of path trajectory to the surface boundary.
其二为一种修整的线接触，展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equal pitch helical surface.
把隐函数的优势应用到数控加工编程中，即对于截面法的数控加工，求出刀具切削平面与隐函数曲面的加工轨迹，再用正负法绘制刀具轨迹曲线。
For NC machining of plane section method, the machining path of tool cutting plane and implicit surface can be found, and the curve of the tool path is drawn by the positive-negative method.
与其他方法相比较，该算法推导出了明确统一的路径公式，可用于生成铺丝轨迹；由于是基于多层曲面上的路径生成，因此可用于构件的最终成型。
In contrast to other algorithms, this method is able to derive explicit formulas to compute paths and generate path trajectories on all offset surfaces for final component forming.
介绍了以反求工程为技术支撑的自由曲面数控加工的基本原理和全过程，并对其中的数字化扫描、CAD建模及刀具轨迹生成等关键技术作了进一步的分析。
Basic theory and procedure of NC machining for free-form surface based on reverse engineering were introduced. Digital measure and CAD modeling as well as tool path generating were analyzed.
只要已知被加工曲面的参数表达式，就可运用点涉法在该曲面上生成非球面刀的数控加工轨迹。
As soon as the parametric representation of the sculptured surface is known, the NC machining path on it is determined for the nonspherical cutters.
利用二次曲面的不变量判定到一定点和一定平面(定直线)的距离之比为常数的空间点的轨迹。
Make use of constant measure of second order curved face, and judge the space figure that arrive the fixed point and the fixed flat surface (fixed straight line) distance's ratio is a constant.
数控铣削加工曲面过程中，刀具的运动轨迹是影响加工质量的一个重要因素。
In the process of CNC milling, movement locus of cutting tool is important influence factor on cutting quality.
该算法利用短程线的特性，根据曲面的局部特征自适应地调整相邻刀位轨迹线之间的间距，实现了刀位轨迹在曲面上的等距分布。
Based on the characteristic of the geodesic, the distance between the corresponding points in adjacent cutter contact curves can be adjusted adaptively according to the local character of the surface.
针对复杂多曲面3轴粗加工方法的刀轨自动生成问题，提出一种刀具轨迹的优化算法。
According with the tool path generation in the 3 axis rough milling of complex multi surfaces, the article presents an algorithm on the optimization of tool path.
对五坐标曲面加工中由离散线性运动逼近理想刀具轨迹所引起的理论加工误差进行了较严格的分析。
The theoretical error in five axis NC machining, which is resulted from approximating the perfect continuous tool path with discrete linear segments, is strictly analyzed.
提出并实现了在CNC系统中完成曲面交线加工刀具轨迹直接插补的构想，可极大提高CNC系统的几何轨迹控制能力和使用性能。
The new idea that completing the tool-path interpolation for sculptured surfaces intersection machining in CNC system is presented and realized in this paper.
介绍和扩大了数控加工中的刀位面和保护面的概念，研究和实现了一种基于曲面离散生成三轴加工无干涉刀具轨迹的算法。
An algorithm of 3-axis interference-free tool path is researched and realized by cutter location surface and protection surface of discrete triangular facets of machined surface.
提出直接根据单值曲面3维密集测量数据点云进行刀具半径长度补偿，生成刀具加工轨迹并有效清除刀具干涉的新算法。
This paper presents a new algorithm to calculate the CNC tool path directly from the 3D data cloud, eliminating all path interference at the same time.
提出直接根据单值曲面3维密集测量数据点云进行刀具半径长度补偿，生成刀具加工轨迹并有效清除刀具干涉的新算法。
This paper presents a new algorithm to calculate the CNC tool path directly from the 3D data cloud, eliminating all path interference at the same time.
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