| 1. | Numerical control ( nc ) is a method of controlling the movements of machine components by directly inserting coded instructions in the form of numerical data ( numbers and letters ) into the system
数控（ nc ）是一种通过直接向系统输入数字数据（数字和字母）形式的编码指令以控制机床部件运动的方法。 |
| 2. | With the progress of numerical control ( nc ) technology , more and more nc equipments are used in manufacturing enterprise . then the technology of distributed numerical control ( dnc ) comes into application increasingly
随着数控加工技术的发展,数控系统在制造企业的应用越来越广泛,分布式数字控制( dnc )技术因此得到了越来越多的应用。 |
| 3. | The application research on intelligent glue - robot vision system is presented in this paper , and the system applies some key technologies such as pattern recognition , numerical control ( nc ) code generation based on image & glue line quality detection , etc
摘要对涂胶机器人智能系统的视觉部分进行了应用研究，系统引入了模式识别、基于图像的nc代码生成、胶线表面质量检测等关键技术。 |
| 4. | This kind of mes applied the real - time runtime - state collection technology , numerical control ( nc ) program transmission technology , different nc systems integration technology , workshop workflow - recombination technology , and system - reconfiguration technology
在关键技术方面采用了运行状态实时采集技术、数字控制程序传输技术、不同数控系统集成技术、车间工作流程重组技术和系统可重构技术等。 |
| 5. | The numerical control ( nc ) tube bending process used as a method of thin walled tube bending has been widely applied in fields of aeronautics and astronautics . however , the process planning based on the traditional " trial - and - error " method limits the predominance of this advanced process
数控弯管工艺在航空、航天工业的薄壁管弯曲成形中占有重要地位，但传统的基于经验和试验的工艺设计方法限制了数控弯管工艺优势的发挥。 |
| 6. | This paper analyzes and discusses the problems involving the design of the electronic control ( ec ) and numerical control ( nc ) systems for a new type nc grinder - machine used to grind planar quadratic and annular enveloping worms based on novel four - axis - interpolation , in which a central fabricating method is introduced
摘要本文作者设计了新型四联动平面二次包络蜗杆数控磨床的数控及电控系统，该磨床采用虚拟中心的方法，通过两正交轴的圆插补及磨头基座的自转实现了传统蜗杆加工磨床上的砂轮工作面的平面回转运动，克服了传统加工蜗杆工作层面多，结构复杂，加工精度、效率低等缺点。 |
| 7. | As a kind of rising integrated technologies , rapid prototyping ( rp ) technology is rapidly developing with the development of various enabling technologies , such as computer aided design ( cad ) and numerical control ( nc ) etc . nowadays , nearly all types of rapid prototyping systems commonly adopt stl file as their data exchange interface
作为一种新兴的综合性制造技术，快速成形( rapidprototyping )技术以计算机辅助设计( cad )和数控( nc )等多项使能技术为基础，并随着这些技术的发展而不断向前发展。目前，几乎所有的快速成形系统均采用stl文件作为数据交换接口。 |
| 8. | The three major types of machining error are geometric , thermal and cutting - force induced error . at the present time , error compensation model usually aims at single type of error and is used for the specific machine tool . this paper develops a universal synthetical model of error compensation for three - axis numerical control ( nc ) machine tool , which can be updated on time when manufacturing surroundings is changed
论文广泛研究了机床误差补偿技术目前的发展状况，针对目前误差补偿系统存在的不足(诸如大多为单项误差补偿、通用性较差，模型多为静态等) ，提出了机床综合误差的补偿策略，以三轴数控机床为例建立了综合误差补偿系摘要统，系统的误差模型可实时更新，该补偿系统可直接移植到多轴加工系统中。 |
| 9. | With the wide application of computer technology in manufacturing , numerical control ( nc ) machining simulation technique , which is an important component of computer - aided design ( cad ) and computer - aided manufacturing ( cam ) , has been the key approach to shorten production cycle and improve production efficiency
随着计算机技术在制造业中的广泛应用,作为计算机辅助设计和制造( cad / cam )技术的重要组成部分,数控加工仿真技术成为了现代制造业技术中缩短生产周期和提高生产效率的重要环节之一。 |
| 10. | Triangle mesh models have been established as the most general and flexible schemes to represent complex surface models in the area of reverse engineering ( re ) , rapid prototyping manufacturing ( rpm ) , numerical control ( nc ) programming , 3d animation , etc . but the models reconstructed from real - world data may contain unavoidable noise and many narrow triangles , so the models must be optimized and modulated under given tolerances
三角网格模型是逆向工程、快速原型制造、数控加工编程、三维动画等技术中常用的模型表示方法，模型的质量直接影响到产品的质量，尤其在逆向工程中，直接通过测量数据得到高质量的网格模型几乎是不可能的。因为，测量数据中不可避免地存在各种噪声和扰动，因此在满足几何精度要求的前提下，对网格模型进行优化调整，以提高模型质量就十分必要。 |
