刀具

For five-coordinate NC end milling, the author gives the equation of tilt angle, the optimum algorithm of tilt angle, the analysis of machined errors, the compensative algorithm for cutter axis tilt error, and the formulae of feed length, feed width and cutter axis swing angle.

推导了五坐标端铣数控加工中的后跟角计算公式，提出了后跟角的优化计算方法——刀盘周边7点干涉检验法，分析了各种加工误差，提出了刀轴摆动误差补偿方法——刀具切触点偏置法，给出了走刀步长、切削宽度以及刀轴摆角的计算公式。

The lathes are usually powered by electric motors which, through various gears, supply the necessary torque to the work material and provide the feed motion to the tool.

车床通常是电动机驱动的，通过不同的齿轮系统，向工件提供必要的扭矩，使刀具进行进给动作。

Planer is to adopt a working table to compose linear motion moving back and forth with workpiece but then , the cutter assumes but blank feed the motion moving assigning a form transversely.

而龙门刨床则是采用工作台带着工件作往复直线运动，而刀具作间歇的横向进给运动的运动分配形式。

Thus, through this gear train, leading from the spindle to the quick-change gear box, thence to the lead screw and feed rod, and then to the carriage, the cutting tooling tool can be made to move a specific distance, either longitudinally or transversely, for each revolution of the spindle.

主轴就是这样通过齿轮传动链来驱动变速齿轮箱，再带动丝杠和光杠，然后带动拖板，刀具就可以按主轴的转数纵向的或横向地精确移动。

Thus, through this gear train, leading from the spindle to the quick-change gear box, thence to the lead screw and feed rod, and then to the carriage, the cutting tool can be made to move a specific distance, either longitudinally or transversely, for each revolution of the spindle.

主轴就是这样通过齿轮传动链驱动变速齿轮箱，再带动丝杠和光杠，然后带动拖板，刀具就可以按主轴的转数纵向地或横向地精确移动。

Motor driven ball screw to achieve the main cutting me up and down the movement; the main movement is driven by the hydraulic motor rotating the spindle in order to achieve the cutting tool on the workpiece; radial feed through the nut and screw to achieve manually.

电机带动滚珠丝杠实现主切削箱的上下运动；主运动是由液压马达带动主轴的旋转，从而实现刀具对工件的切削；径向进给是通过螺母与丝杠手动实现的。

Linear bearing kinematic pair were adopted for cutting feed, which makes sure stable performance.

刀具进给采用直线轴承运动副，使工作性能稳定

Ruler, nail file, nail cleaner, metal file, metal saw, chisel, pliers, wire cutter, magnifying glass, ballpoint pen, and pin.

统治者，指甲锉，指甲清洁，金属文件，金属锯，凿，钳子，电线刀具，放大镜，圆珠笔，和PIN 。

The cutter path file of NC machining is generated based on the chain code and can be applied to production process.

根据链码生成了零件的数控加工刀具路径文件，可用于实际加工过程。

Based on the specialities of numerical control of power spinning machine tool, this paper described the process of generating NC code from the cutter location track file.

描述了根据数控强旋机的特性，从已有的刀具轨迹文件出发，经过一系列处理生成了数控代码的过程。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。