Taking national conditions into consideration,seven development tendencies of the numerical control system are summed up.

结合我国国情，总结了数控系统七发展趋势。

Cross-section ovalization is one of the flaws in the thin-walled tube NC bending process.

截面畸变是薄壁管小弯曲半径数控弯曲成形容易出现成形缺陷之一。

It's more automatable and easier to repair shafts using laser overlaying welding technology.

数控编程等手段运用了工作效率 ,也降低了现场操作难度。

Toolsetting and installing of coordinate system of workpieces are important tasks while machining numerically controlled machines.

数控机床加工时,对刀及工件坐标系设定是一项重要工作。

The design of the electric circuits of the digit-controlled lathe must be altered to meet the new requirement.

这台数控机床电路设计必须改动,以适应新要。

In recent years, numerical control machine has got important status and predomination in manufacturing of China.

近几年来我国制造业中,数控机床占有率不断,在生产中已经占有重要地位。

According to the characteristics of the electronic instrument of dipmeter, a testing device is developed with computer control technology.

根据倾角电子仪特点,利用数控技术,研制开发了倾角电子仪装置。

The practice shows that the PMAC-based CNC system has realized customerization of man-machine interface and parametrization of realtime control elements.

实践证明，基于PMAC数控系统完全可以实现人机接口定制和实时控制部件参数化。

The paper introduces the design of the double-functional X-ray bone densometer,first-developed in China using microcomputer control technology and numerical control technology.

介绍了采用微机控制技术、数控技术等先进控制技术进行我国首台双功能X射线骨密度仪自动控制系统设计。

Using an example,the dominancy of the present optimization method is testified in improving the efficiency of NC machining and cutting manufacture cost.

通过实例验证此优化方法在孔群加工中明显了数控加工效率、降低了加工成本。

Through analyzing and accounting evocable error of tool's transmutation during milling process,the compensatory method to the error in NC machining has been put forward.

通过分析计算数控铣削过程中刀具变形引起误差,出对这种误差补偿方法。

However, NC devices have high prices and there’re some volatile factors when NC system is under the practical operation, which incumber the testing and operation process.

但数控设备成本较，同时数控系统在实际运转过程中存在一些不稳定因素，给运行调工作带来不便。

The cutters used in high speed machining(HSM) have poor rigidity, therefore the method fits to HSM of die cavity due to the unfluctuating cutting force characteristic.

其切削力平稳特性更适合于模具型腔速数控加工,可以克服速加工用刀具刚性差不足。

C7620-11 semi-automatic chuck multicut lathe was reformed into a kind of simple constructed NC machine,so that the variety of process was increased ,and automation degree was also improved.

通过对C7620-11夹盘多刀半自动车床改进,扩了加工种类,了自动化程度,使其成为一台简易型数控车床。

It can be easily retrofitted to almost any cutting station. The marking stylus easily penetrates most materials. The Scriber is compatible with BURNY Controls and other CNCs as well.

它能够较容易用于各类切割装置,划线笔较材质可轻易在各种钢板上做标记.可配置在BURNY数控系统或其它数控系统上使用.

It takes the single chip microcomputer AT89C51 as the control nucleus, uses digit controlled current to control running of weighbeam, adopts infrared technology to check the balance of weighbeam.

量仪以单片机AT89C51为控制核心，使用数控电流源控制秤杆转动，采用红外监控技术检秤杆平衡位置。

Abstract: C7620-11 semi-automatic chuck multicut lathe was reformed into a kind of simple constructed NC machine, so that the variety of process was increased ,and automation degree was also improved.

摘 要: 通过对C7620-11夹盘多刀半自动车床改进，扩了加工种类，了自动化程度，使其成为一台简易型数控车床。