查询词典 NC

Surface roughness is one of the most important requirements in NC machining.

在数控加工中，表面粗糙度是衡量已加工表面质量的重要指标之一。

Research on the Basic Kinematics-Geometry Theory and Tool Positioning Strategy for 5-axis NC Machining;2. The paper introduces the construction features of undevelopable ruled surface integral impeller and two 5-Axis numerical control mill machining methods of vane shape which are "line contact" and "point contact".

文章介绍了不可展直纹面型整体叶轮的结构特点及五坐标数控铣削加工叶片型面"线接触"和"点接触"两种方式，分析了采用侧铣加工产生误差的原因，对加工中的不同工步及精加工薄叶片的特殊处理进行了分析，并提出了相应的解决方案，对整体叶轮的数控加工有一定的现实意义和实用价值。

These Indoor Air Quality products are manufactured in the United States in Sanford, NC and in Suzhou, China.

这些室内空气品质的产品是在美国制造的桑福德，数控和在苏州，中国。

This paper first analyzes the NC-ASM work principle and the movement control request, uses the integration of machinery system design methods, designed its overall modelling, the mechanism and the control system, chose the structure suited the scriber mechanism, designed examination and prevent collision structure, carried on the thorough comparison and the analysis in this foundation to the scriber movement control realization key technologies, has chosen the most appropriate plan and has given the detailed explanation, has formed the design proposal.

以可编程控制器为控制核心，集中完成三轴联动控制信号和触摸屏串口通信信号的收发，在进行系统与外围设备配置时留有余地，以便进行二次开发。

It's discussed that self-excitation vibration mechanism with creeping phenomenon for lower motion parts running speed in NC machine tool feed system.

讨论了数控机床进给系统中因运动部件转动速度较低，因而产生爬行现象的自激振动机理；通过对进给系统建立运动模型、导出振动方程从而对爬行现象进行了理论分析。

Based on analyzing the components and control of the servo-system of the NC machine tools, this paper studies the methods for setting parameters in each loop to guarantee the performance of the machine tools.

本文在分析了数控机床交流伺服系统组成、控制的基础上，研究了各环节的参数设定方法，以保证机床达到良好的运行状态。

According to the above-mentioned technique projectabout simple NC system for plasma arc cutting, an experimental equipment based on open-loop control is made.

根据前面讨论的数控等离子体弧切割系统的技术方案组装了一套开环控制的简易切割装置。

How to calculate the intersection point between line and CSV is a core problem in NC machining process simulation techniques. This paper presents a noval intersection algrithm by decomposing the CSV into several simple surfaces and the intersection point is found by solving the scalar equation.

论文中针对数控加工几何仿真中存在的几个难点问题，提出了以下的处理方法： 1利用包络理论计算多轴加工中刀具运动所形成的刀具扫描体，算法精确，简单，计算量小，运算速度快。

A new concept used for designing large-scale and high-precision NC slideway grinders (named self-collimation slideway grinders) was introduced to eliminate thermal deformation of them.

为消除导轨磨床的热变形，采用新思想设计出大型高精度数控导轨磨床－自准直导轨磨床。

A new concept used for designing large-scale and high-precision NC slideway grinder s (named self-collimation slideway grinder s) was introduced to eliminate thermal deformation of them.

为消除导轨磨床的热变形，采用新思想设计出大型高精度数控导轨磨床———自准直导轨磨床。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。