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。
This paper presents a new discrete model of NC path generation for free form surface machining.
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。
A new method based on spatially stratified index model of machining equipment to the maximal range of work is presented for detecting the collision of NC programs.
以加工设备最大加工空间分层索引模型为基础，提出数控加工程序碰撞检测新方法。
The paper introduces the structure of JW MPS and main algorithms, including model construction of machining center, collision and interfere check, NC code translation, material removal etc.
本文介绍了JW-MPS的结构和主要算法，主要包括加工中心建模、碰撞和干涉检验、数控代码翻译和材料切除等。
Besides, the influence of the machining error by the nc model and the clearance Angle of the sway back are analyzed.
此外，还分析数控模型以及回摆间隙角对加工误差的影响。
The fuction of automatic programming soft ware for NC machining is introduced. It is proved by model machined that this software is practical and useful.
介绍了涡旋槽数控加工自动编程软件的功能，经多台样机加工证明，该软件切实可行。
This paper introduces the operating principle of manufacturing complex surface in 5-axis nc machine. It is emphasis on error model of complex surface by ring mill cutter in 5-axis nc machining.
介绍了五轴数控机床加工复杂曲面的工作原理，重点分析了五轴数控加工时采用环形铣刀加工复杂曲面的误差模型，提出了误差补偿的具体方法。
The milling force model is validated according to cutting experiments and it can offer a reliable boundary condition for the further study of NC machining distortion of aviation aluminum-alloy.
采用合理的平均力试验验证了模型的有效性，为进一步研究航空铝合金数控加工变形提供了可靠的边界条件。
Three kinds of model are concluded according to five-axis NC machining.
根据五坐标数控机床的运动形式，将其归结为三种基本形式。
Then the design check-up, main model establishment, NC machining simulation, program optimization are realized before the trial-manufacture of prototype model.
针对下料问题产生的数学模型过大和生产中的实际情况，笔者编写了杆件下料优化程序进行建模求解。
NC machining simulation integrates manufacturing technology, machine numerical control theory, computer aided design (CAD), computer aided manufacturing (CAM), model building and simulation.
数控加工仿真集制造技术、机床数控理论、计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。
NC machining simulation integrates manufacturing technology, machine numerical control theory, computer aided design (CAD), computer aided manufacturing (CAM), model building and simulation.
数控加工仿真集制造技术、机床数控理论、计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。
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