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.
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。
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.
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。
Oriented to NC process, the tool path planning based on STL model is discussed in the thesis.
面向数控加工，本论文讨论了STL模型的刀具路径规划问题。
Introduced a method of NC machining tool-path generation based on scattered data model. a machining example was pointed out, proved this method simplicity and validity.
介绍了一种基于离散数据模型的数控加工刀具轨迹生成的方法。给出了一个加工实例，证明了此方法的简单性和有效性。
The method of curves of cross sections is one of the important and popularly applied ways in generation of tool path in NC machining.
截面线法是数控加工中重要的也是应用较为广泛的一种刀具轨迹的生成方法。
The algorithm satisfies the needs of the new character NC machining technique that generates the tool path by the character skeleton.
该算法满足了新的字符加工方法因为要使用字符骨架生成刀位轨迹而对细化算法的要求。
The optimization of NC machining process parameters and the cutting tool path is the available approach of exerting the NC machining equipment productivity.
数控切削加工工艺参数及刀具运动轨迹优化是发挥数控加工设备生产效率的有效途径。
This paper discusses the generating technique of tool path on NC machines in machining typical curved surfaces of punch and die for automobile skin panels.
讨论汽车覆盖件模具典型曲面数控刀具运动轨迹的生成方法。
In the process of NC machining complex curve, there is error between interpolation tool path and theoretic tool path, which lead to the error between actual curve and theoretic curve.
在复杂曲面数控加工过程中，由于刀具的插补运动轨迹与理论轨迹之间必然存在一定的误差，因而导致实际加工曲面与理论曲面之间存在误差。
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.
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。
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.
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 tool path of NC simulation is the base and the key in NC simulation.
数控加工刀具轨迹生成是数控加工编程的基础和关键。
Some tool-path optimization algorithms are put forward for High Speed Milling (HSM) aiming at the characters and requests from NC automatic programming of HSM.
针对高速铣削的特点和编程要求，提出了适合高速铣削的粗精加工刀轨优化算法。
An algorithm for tool path generation of nc machining by projection method is presented in this paper and the interference checking of the cutter is carried out.
提出了用投影方法来生成nc加工刀具轨迹的算法，并完成刀具干涉的检查。
Furthermore, equation of offset surface from the reconstruction would make easy planning for cutting tool path in NC machining of the radome.
求算的等距面方程，为数控加工中刀具轨迹的规划奠定了基础。
On the basis of STL slicing, slicing data is interpolated by three degrees subsection NURBS curve. After CL data is computed through CC data, the NC tool path planning is realized.
在STL切片的基础上，对切片数据进行三次分段NURBS曲线插值，通过刀触点计算出刀位点，实现了数控加工路径的规划。
Abstract: a tool path generation method is presented for NC machining based on vector analysis and NURBS.
摘要：描述了基于矢量分析和NURBS的数控加工轨迹设计方法。
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.
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。
Researching the method of isoparametric to creat the tool path, and through post-processing generate a reasonable NC code.
系统的研究了等参数线法的刀具轨迹技术方式，并通过后置处理生成了合理的NC代码。
This method is especially suitable for 2(1/2)-axis NC machine tool path control system, because of easy calculation and excellent dynamic accuracy.
这种方法计算简便，动态精度较高，特别适用于2（1／2）座标的数控机床轨迹控制。
In this paper, a study is made onthe 2.5 axes NC-EDMMILLING. The validity and necessity of the process is discussed. Moreover, the calculating method and example of tool path generation is presented.
对2.5轴数控电火花仿铣加工进行了研究，讨论了该工艺的有效性和必要性，并给出了电极轨迹的计算方法和实例。
Based on nonlinear equations Newton method, work out the 5-Axis NC tool path.
在非线性方程组牛顿迭代法的基础上，进行五轴数控加工刀具轨迹求解算法研究。
Based on nonlinear equations Newton method, work out the 5-Axis NC tool path.
在非线性方程组牛顿迭代法的基础上，进行五轴数控加工刀具轨迹求解算法研究。
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