如在使用平底刀做曲面加工时，不能给负余量。
For instance, when using flat-bottomed cutter to process curved surface, negative margin cannot be offered.
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.
基于此开放式数控平台，进行了复杂曲面加工的研究。
Research of complex curved surface machined on the platform has been done.
叶切面最大厚度计算是螺旋曲面加工准备过程中必要的环节。
The computation of maximum thickness of the section of blades is necessary for preparing for manufacturing of the screw surface.
为了提高自由曲面加工质量，提出一种等斜率曲线跟踪算法。
A new algorithm for tracing equiangular curves is presented to improve the machining quality of free-form surfaces.
实验结果表明，自由曲面加工的故障信号能很好被检测区别开来。
Experimental results show that the fault signal in free-form surfaces machining can be clearly monitored and distinguished.
曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工的难点。
Surface intersections, concaves and shallow planes of the curved surface are difficult to machine.
曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。
The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.
该算法可用于曲面加工过程中的刀具姿态控制，以避免曲面的过切现象。
The algorithm can be used to control the orientation of the cutter so as to avoid over-cutting in surface machining.
既提高了螺旋曲面加工的精度，又满足了加工过程中自动化生产的要求。
It not only improves the efficiency of the manufacturing precision of screw, but also meets the satisfaction of the manufacturing automation.
以微分几何学和矢量分析为工具，提出了复杂曲面加工路径规划的新方法。
Using differential geometry and vector analysis, a new tool-path generation method for freeform surface machining is presented.
在自由曲面加工中，行距的计算精度直接影响着曲面的加工精度和加工效率。
The calculative precision of the cutting breadth has a significant effect on the machining precision and the machining efficiency for free-form surface machining.
分析了数控铣床曲面加工形状误差的形成机理，提出对形状误差及误差源的测量方法。
Following the analysis of the mechanism for shaping form errors during machining curved surfaces on CNC milling machine, the method for measuring form errors and error source is put forward.
多坐标曲面加工是数控加工中的关键技术，而刀具轨迹的规划是数控编程的基础和关键。
The multi-coordinates machining curved face is the pivotal technique in the NC machining, and that planning tool-paths are elements and key of NC codes programming.
五轴数控加工以其灵活、高精度、高效率等特点在复杂曲面加工中得到了越来越广泛的使用。
Five-axis NC machine tools are widely used in sculptured surface machining for its higher performance than 3-axis machine tools.
从工程实际应用出发，提出了一种适合裁剪NURBS曲面加工基于参数线的刀轨生成算法。
From the viewpoint of engineering application, a algorithm of tool path generation for freeform surface based on parameter curves is presented.
在系统分析牙齿曲面加工工艺方案的基础上，设计了3D义齿磨削机器人本体及其控制系统。
By analyzing the manufacture process of teeth surface, the mechanical and controlling system of the 3d dental restoration grinding robot is designed.
所用的计算方法高效精确，为复杂曲面加工过程的动态模拟和加工误差的控制奠定了数学基础。
The method is efficient and precise, and lays a mathematic foundation for NC verification and machining error control in 5-axis sculptured surface manufacturing.
本机床主要用来进行各种方材、板材的端头开榫以及铣削拼板和零件的各种沟槽、平面、曲面加工。
The machine is mainly used for various Lumber, board, and mortising the ends of the puzzle and part of the various milling grooves, flat, surface machining.
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.
通过分析叶片类曲面加工中存在的工艺问题，论述了采用数控车铣加工技术的可行性及其技术特点。
The author expounds the feasibility and characteristic of numeric control turn-milling technology through analysing technical problems of the curved turn milling.
根据啮合基本定理提出的复杂曲面加工表面几何仿真算法是对几何仿真新的探索，具有较强的实际意义。
Algorithm of geometry simulation in machining complex curve surface depending on engagement theory is the new exploration for geometry simulation, it has better practical meaning.
讨论了用球头铣刀进行曲面加工时共振安定界限的预测方法，重点分析了法向方向角对共振安定界限的影响。
An algorithm has been developed to predict stability lobes in ball end milling to investigate the influence of normal direction angle at cutting point on the stability.
讨论了用球头铣刀进行曲面加工时共振安定界限的预测方法，重点分析了法向方向角对共振安定界限的影响。
An algorithm has been developed to predict stability lobes in ball end milling to investigate the influence of normal direction angle at cutting point on the stability.
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