查询词典 NC

Automatic Programming for NC Machining of Gear Indexing Cam with Smaller Cutter;2. Study on the Technologies of Computer-aided Designing and Programming of Gear Indexing Cam

本文结合弧面分度凸轮加工的工程实际，以微分几何和空间曲面啮合理论为工具，对弧面分度凸轮机构的传动规律、啮合原理和数控加工进行了系统的研究。

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The design of the device using NC Lathe CA6240 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with.

本设计利用数控装置对CA6240普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

Development and production company of NC programmable processing equipment, had been widely Applied to glass, leather, cloth, chemical foam cutting production.

公司开发生产的数控可编程加工设备，已广应用于玻璃，皮革，布匹，化工发泡材料的切割生产。

The production of globoid indexing cam and gas engine burningchamber are employed as refrences to analyze the method to mathematical modeling of complexed functional feature, furthermore, the research work of the character of surface feature production is deeply done .Advancing and optimizing the producting process, as well as the whole simulated machining by making UG NX2. 0 as the supporting system. Building the Fixture Library CAD/CAM Document system and producting template of DMU70V. Exploring the structure and flow chart of the Document System;Developing the MDF File by means of GPM module. All the above provide profound preparation to establish a further integrated manufacturing environment around 5-Axis NC production center.

在本文中，综合论述了特征建模的方法，以弧面分度凸轮和内燃机燃烧室作为实例，重点研究了复杂功能曲面的建模及曲面分析方法；并从五坐标加工角度出发，详细研究了曲面零件的加工特性，提出并优化了具体的工艺过程；利用UnigraohicsNX2.0作为开发工具，对建模和加工过程进行了全程仿真；围绕DMU70V建立了专属夹具库、文件体系及工艺模板；综合规划了五坐标数控加工的CAD/CAM文件体系的结构和运作流程；开发了GPM五坐标后处理DMF文件，为建立以五坐标数控加工中心为主的加工体系打下了良好的基础。

In introducing open NC system software, the article, by using a C ++ Builder programming language to open examples of numerical control system based on the GT400-SV motion controller of Googol Technology, expounded the interface on the planning, interface design process and The real-time display methods of coordinate trajectory, and focused on the main functions of the module method.

文章在介绍开放式数控系统软件方面，以一个采用C++ Builder编程语言构建了基于固高GT400 SV 运动控制器的开放式数控系统的实例，论述了界面规划、界面设计过程及坐标运动轨迹的实时显示方法等，着重讨论了主要功能模块的实现方法。

The main results of the dissertation are as follows:(1) According to the requirement of the manufacturing, the general structure of the graphical simulating verification system is analyzed. A stage-by-stage graphical simulating method and corresponding data structure based on CSG+B-Rep are presented.

本文主要进行了以下几个方面的研究工作：(1)根据制造业对图形仿真的功能需求，设计了图形仿真检验系统的总体结构，提出了NC程序分阶段检验方法，设计了以CSG+B-Rep表达为核心的集成数据结构。

Cooking Fish - Moses Cone Health System of Greensboro, North Carolina NC.

烹调鱼-摩西锥卫生系统的格林斯伯勒，北卡罗莱纳数控。

After the discussion of the constrain condition for Bose-Einstein statistics in NC Phase space, the Hamiltonian operator of the two dimensional charged harmonic oscillator in external electric field was discussed.

在所考虑的相空间变量的对易关系中包含了坐标－坐标和动量－动量两个方面的非对易性；讨论了非对易相空间中服从玻色－爱因斯坦统计的粒子的连续性条件；在所给出的相空间变量的对易关系中包含了空间－空间和动量－动量两个方面的非对易性。

T his is a selection made from among art icles on Cape Hatteras Nc Surf Fishing Tournament .

这是一个选择从其中的文章哈特拉斯角数控冲浪钓鱼比赛。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。