提出一种新的雕塑曲面数控粗加工刀位规划方法。
A new method for generating tool paths for rough machining of sculptured surface is presented in this paper.
该算法能直接从测量数据中生成荒加工刀位轨迹。
It generates tool paths for hogging machining directly from measured data.
刀位点的计算。
本文介绍了利用最小有向距离原理计算刀位轨迹的方法。
A method of using the principle of minimal orientation-distance to calculate cutter-trace is introduced in this thesis.
根据三维刀具半径补偿原理，确定了刀具的刀位点运动轨迹。
According to the 3d cutter radius compensation theory, the path planning of the cutter location point may be determined.
本课题主要对六刀位自动刀架的机械结构和控制系统进行设计。
The mechanical structure and the control system of six Automatic Tool lift are designed in this thesis.
刀位补偿加工方式因其加工效率高、成本低而受到研究者的重视。
The method of off-set compensation for tool path is thought important due to its high work efficiency and low cost.
提出了一种平底刀五坐标数控加工的干涉检测及刀位角修正算法。
An algorithm for interference checking and Angle adjustment of 5 axis nc machining to flat end cutter is proposed.
针对手工编程中的基点和刀位点的计算问题给出了一种新的求解方法。
Aimed at base point and cutter position point of handwork program calculating problem, a new method is presented.
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.
文中给出了由该算法生成的带岛屿型腔刀位轨迹的实现步骤及计算实例。
This algorithm is used to generate nc tool paths for the pocket with the islands, and to obtain better efficiency and stability.
通过加工实验，验证了三种刀位计算方法的有效性和误差分析方法的正确性。
The validity of three methods and the correctness of the error calculation were proved in the machining experiments.
算例结果表明，该方法能够快速确定干涉检测范围，准确生成无干涉刀位轨迹。
The results show that this method can quickly determine the region of collision detection, and generate an interference-free tool path.
介绍了转子槽铣刀的对刀、成型棒铣刀的刀位调整、槽型的测量和质量控制方法。
This paper introduces the positioning of rotor milling cutter, adjusting position of shape milling cutter, the measuring method of slots and quality controlling.
提出一个面向曲面nc加工刀位计算的曲面离散基本单元模型及其误差控制方法。
This paper presents a new discrete model of NC path generation for free form surface machining.
数控编程是一个将CAPP生成的刀位文件翻译成具体加工设备的数控程序的过程。
Numeric Control Programming(NCP) can be defined as the process that translate the cutter-tools-path file created in CAPP into numeric control program for manufacture device.
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 algorithm satisfies the needs of the new character NC machining technique that generates the tool path by the character skeleton.
论述了数控磨削平面凸轮的误差分析和曲线插值计算，并讨论了砂轮的刀位轨迹的生成。
In the paper the curve interpolating calculation AD error analysis for CNC grinding of plane CAM are discussed, and the tool - path generation is also analyzed.
提出了在不增加机床控制轴数的情况下，实现圆柱分度凸轮单侧面加工的刀位控制原理。
A new cutting tool control method of one-side processing for cylindrical indexing CAM is proposed.
推导出了刀位轨迹算法和切削行距算法，建立了面向新型并联机床的CAM系统框架模型。
Algorithms for tool path calculation and cutter path interval calculation are derived. Frame model for CAM system of PMTs is established.
结果表明将理论分析与仿真技术相结合，是复杂曲面设计和数控加工刀位验证的一种有效途径。
The results indicate that it's an effective method for complicate surface design and NC tool position verification to combine theory analysis and simulation technology.
以6-TPS型并联机床为结构模型，阐述了数控代码生成原理及无干涉刀位文件的生成方法。
The principles for obtaining numerical control (NC) data and for generating collision free cutter location data were developed for a 6TPS tool.
使得算法不受具体的曲面参数化方式影响，简化了刀具定位时计算量，刀位得到了充分的优化。
During the improvement, the parameterization of the surface has no influence on the algorithm, the computation cost for tool positioning is also reduced, and the tool path is optimized thoroughly.
后者通过设置刀轴矢量变化的阈值并采用集合碰撞体，实现了刀位的跳点检查和集合运算检查。
The second algorithm, depending on setting the threshold controlling tool-axis vector and using solid based on Boolean-operation, realizes unsafe CL-points and Boolean-operation check.
针对叶片几何特点，给出了一种球形刀具刀位点干涉检查方法，并解决了干涉刀位点的避让问题。
In view of the geometric features of the blade, it puts forward an interference examination method of cutter points by ball cutter and solves the prevention problem of the interference cutter points.
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.
测试结果显示，该方法简捷、可靠，能够达到实用化要求，并显著提高了刀位计算精度和加工效果。
The results show that the tool path calculation precision can be efficiently improved by the proposed method.
作者基于分析和建立加工曲面的型面几何偏差与加工刀位规划参数的关系，提出几何误差的控制方法。
This paper presents the methods to control geometrical errors based on the establishing of the link between geometrical errors and the parameters of tool path planning.
介绍用双三次参数曲线拟合曲面、平头铣刀的直径、铣削的步长及行距选择、刀位点和刀轴矢量的计算。
It introduced imitating surfaces with bicubic parametric curves, feed length, cutter location and vector of cutter location.
介绍用双三次参数曲线拟合曲面、平头铣刀的直径、铣削的步长及行距选择、刀位点和刀轴矢量的计算。
It introduced imitating surfaces with bicubic parametric curves, feed length, cutter location and vector of cutter location.
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