The procession code program of nc punch press is the key to nc-machining.
数控冲床的加工代码程序，是数控加工的关键所在。
The research object of this thesis is NC machining technologies including NCP and CNC.
本文的研究对象是数控加工技术，包括数控编程技术和数控机床技术。
In NC machining, the points must be obtained from plane curve before it is interpolated by arc.
数控加工中，平面曲线的圆弧插补前，先要在曲线上取节点。
Fixture system of machine tools for controlling workpiece deformation is put forward taking aim at NC machining system for low rigid part.
针对低刚度零件的数控加工工艺系统，提出了一种可控制工件变形的夹具系统。
To do this, the monotone curve is firstly drawn, and then without finding the coordinate of the inflexion point, the NC machining path can be obtained by the method of automatic direction control.
首先对单调NC轨迹曲线进行绘制，进一步用不求极值点坐标而实现自动控制变向的方法，求出NC加工轨迹；
The quality and efficiency of nc machining mainly depend on the selection of machining strategy and parameters.
数控加工的质量和效率在很大程度上依赖于加工方案和加工参数的选取。
Graphics Simulation technology in NC machining is a powerful tool for validating NC machining programming, which using the computer graphical output to simulate the real machining process.
数控加工图形仿真技术利用计算机图形显示来模拟实际加工过程，是验证数控加工程序正确性的有力工具之一。
Technology of NC machining is the base and key of modern automatic, flexible and numeric machining technology.
数控加工技术是现代自动化、柔性化及数字化生产加工技术的基础与关键技术。
This paper introduced the NC programing method and its skill with the example of the NC machining of the roller part.
本文以轧辊零件的数控车削加工为例，介绍弧形零件的数控编程方法和技巧。
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。
The thesis researched the basic ways of the optimizations, the programming methods, the cutting ways and the cutter selections in the process of the NC machining.
论文研究了机匣数控加工工艺优化的基本实现途径，以及所采用编程方法、切削方式与刀具的选择、切削冷却液的选择等。
One is to utilize functional calculation to calculate and machine simultaneously directly in the NC machining center.
一种是直接在加工中心系统上，利用函数运算功能边计算边加工。
The modeling of turbine blades is the premise for NC machining.
涡轮叶片的造型是数控加工的前提条件。
Better effect is got when this algorithm is used in exploiting automatic program system for NC machining complicate screw.
此算法应用于复杂螺杆数控加工的自动编程系统开发中，取得了较好的效果。
The NC machining method by using a simple milling tooth device and the forming principle of bevel helical milling cutters are introduced.
介绍了在普通数控铣床上利用简易铣齿装置加工锥形螺旋铣刀的方法及成形原理。
A new process for tabular curve NC machining is proposed.
本文提出了列表曲线数控加工的新方法。
The key problem of creating CAPP system based on NC machining—cutter selection is discussed.
讨论基于数控加工的箱体零件创成式CAPP系统中的关键问题——刀具选择。
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。
The process of traditional NC machining is divided into two steps.
过程中的传统数控加工分为两个步骤。
The cutter in NC machining for freeform surface is studied academically.
对自由曲面数控加工中的刀具进行了较深入的研究。
Some methods of nc machining large inner thread for turbine parts by using nc milling cutter, preparation of milling tools and selection of milling parameters are introduced.
介绍了应用数控镗铣床加工水轮机零部件上的大尺寸螺纹的几种方法、铣削工具的准备及铣削参数的选择。
Post processing is an important step in NC machining.
后置处理是数控加工的必不可少的一道工序。
An algorithm is presented for generating interference free tool paths in nc machining of compound surfaces.
提出一种组合曲面加工无干涉刀具轨迹的生成算法。
The establishment of workpiece system is a key link in nc machining, and it has a great influence upon nc programming and machining quality.
工件坐标系的建立，是数控加工中一个非常重要的环节，它对数控编程、加工质量都会产生重大影响。
Based on the analysis of features of image and NC machining technology, the image processing methods faced to NC machining were put forward.
在综合分析基于图像和数控加工技术的特点基础上，提出了面向数控加工的图像处理方法。
Directing against different trouble reasons of nc machining tool, have proposed the concrete maintaining method.
针对不同数控机床的故障原因，提出了具体的维修方法。
The results of the NC machining show that this method is successful.
数控加工结果表明这种加工方法是成功的。
The results of the NC machining show that this method is successful.
数控加工结果表明这种加工方法是成功的。
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