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At last, the author presents the multi-coordinate NC machining methods of turbine wheel with non-developable ruled paraboloid.

从理论上深入分析了叶型为非可展直纹抛物面的叶轮的五坐标侧铣、四坐标侧铣和三坐标端铣数控加工计算方法。

Taking FANUC-0i NC System for example,this paper introduces the methods of machining paraboloid and some points for atte-ntion by using macroprogram .

以FANUC-0i数控系统为例，介绍在数控车床上用宏程序加工抛物面的方法以及一些注意事项，介绍用分支语句和重复语句编写加工抛物面的粗、精加工程序的技巧。

The theory of the system is combining formation of image and parallel white light projection. The system uses many edg measurement methods with subimage-element accuracy, and has many merits such as hige measurement accuracy, strong anti-interference function, intuitionistic measurement, convenient using and esay maintenance and so on. The repeatability of position measurement is below 0.1μm (0.05 pixel). EDG is used in practical machining of feedback stick, which is used in astronavigation industry.

在分析研究各种CCD工业检测技术基础上，研制了基于CCD和PC数字图像处理技术的反馈杆刚度检测系统，该系统采用成像法和平行白光投影法相结合的原理，综合运用了多种亚像素精度边缘检测方法，具有检测精度高、抗干扰能力强、检测直观、使用方便和易于维护等优点，其位置检测的重复精度可稳定在0.1μm（0.05像素）以内。

For the request of NC machining the tool track can be input in the G codes wayIn this paper there are analysis, calculation and simulation modeling to 2-DOF and 3D0F parallel translation mechanism.

根据利用并联机构进行数控加工的要求，本文还开发了接受以G代码的方式输入的刀具点运动轨迹从而控制被选机构运动的功能。

This paper proposes two different interpolation algorithms for parametric curve. These algorithms are of great value to improve the accuracy and machining speed of numerical control system.

本文介绍了参数曲线的两种不同的实时插补算法，它们在提高数控系统的速度和精度方面具有很好的效果。

This paper points out that the functions of subroutines and parametric programming of the NC system can complete machining of some special parts.

指出利用数控系统的子程序和参数编程功能可以完成一些特殊零件的加工。

Techniques included in the system are PC based open architecture CNC system, real time simulation of machining process, parametric CNC programming, computer vision based cams automatic positioning and in line inspecting, and grinding force adapt control.

该系统的研发过程中涉及的主要单元技术是：基于PC的开放式数控系统，加工过程的实时仿真，参数化数控编程，基于计算机视觉的凸轮自动定位和在线检测，磨削力适应控制等。

According to the characteristic of stone machining, discussed the necessity of break point preservation function. Enumerate several ways to realize the function and give an idea to make the function in software system and particularize how to do it.(4) Developed the NC interpret module.

结合石材加工特点，对几种常见的断点保存方法进行了分析，提出了适合本数控系统的软件化断点保存方法，并对它的实现机制和编程技巧进行了详细的说明。

The paper focuses on the construct design, machining and assembling of modules. The methods for module function tests are explained, the results of tests testify the modules performance accord with the demands on them. Three kinds of reconfigurations are discussed: snake reconfiguration, pedrail reconfiguration and four-footed reconfiguration.

论文着重论述可以手动完成对接的模块的结构设计，包括三个部分的具体设计思想和方法，以及模块的加工和装配过程，说明模块功能的测试方法，测试结果表明模块性能符合预先设计的要求。

This milling machine has fixed cross-rail and column structure. The national patent technology "the new multiple guideway" and CNC universal milling head with AC axes(3axes +2axes) type are applied to it. It can realizes rotate index ±370o at AC axes. Equipped with domestic or imported CNC system and capability, the machine can realize pentahedron machining.

产品采用定梁定柱结构，刚性强；应用《新型复合导轨》国家专利技术和AC轴（3轴+2轴）型数控自动万能铣头核心技术，可实现AC轴±370o自动旋转分度；选配国产和进口数控系统，自动完成多种空间方向的加工，实现五面体加工功能。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。