进给杆

Focused on many problems existing in pressure control system of drilling pipe friction welding,such as high failure rate and poor amenability,the basic principles of friction welding and electro-hydraulic proportional technique were briefly described.

针对焊接钻杆连续驱动摩擦焊机采用开关阀组成压力控制系统存在故障几率高、可控性差等问题，将电液比例控制技术应用在摩擦焊压力控制中，实现了摩擦焊轴向压力闭环控制、滑台进给速度的开环控制；可对摩擦焊机主轴速度、轴向压力、轴向缩短量、主电机电流、油温等进行实时检测。

The research on machining of precise EDG of low stiffness stick and servo control theory of EDG is the main part of this dissertation.

本文主要内容之一就是研究低刚度杆精密电火花磨削加工方法和电火花磨削加工的伺服进给控制理论。

The machine tool of EDG with 0.1μm feed resolution factor is researched and manufactured and the new servo control strategy is used in the machine tool control system.

研制了0.1μm进给分辨率的反馈杆专用电火花磨削加工机床，并采用了新的伺服控制策略。

This paper introduces the technology of boring hole and cutting interior angle using a motive head on the special purpose machine,analyzes the process of calculation and choice of tool holder's spring coil,the action and realization of radial feeding.

介绍了一种在专用机床上采用一个动力头实现镗孔及倒内角的工艺方法；分析了刀杆弹簧的计算选用过程，以及径向进给的动作与实

It is a screw gearing in which the worm and wheel are in contact with a straight line.

提出了以这种蜗杆为砂轮实现无轴向进给磨削圆柱齿轮的原理与方法。

In face milling the generated flat surface is at right angles to the cutter axis and is the combined result of the actions of the portions of the teeth located on both the periphery and the face of the cutter.

在两种铣削方法中，切屑的形成是不同的，逆铣过程中，刀具有推动工什丌使工件从工作台上提升的趋势，这种作用有助于消除铣床工作台进给螺杆和螺母间的间隙，从而形成平稳的切削。

In all other turning operations,it is the feed rod that drivers the carriage.

在所有其他车削操作中，是由进给杆驱动滑板。

In all other turning operations, it is feed rod that drives the carriage.

在所有其他的车削加工中，进给杆驱动刀架。

One or two revolutions, and then turn the feed hand wheel in the opposite direction

4.2.2 当摆杆压到调整块时，即达到所需滚压深度，停止转动进给手轮，待压轮在原位置上

For GC981-B grooving machine, one turn of the feed hand wheel is equivalentto 0.25mm. Screw rod

4.1.4 蜗轮蜗杆型滚槽机的进给手轮每一转圈为0.25mm 。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。