The study of dynamics is done for boring bar, and the methods are summarized to alleviate vibration chatter.
对镗杆振动学进行了研究，并总结了减小颤振的方法。
The experiments prove that number calculations are correct. The steps of designing boring bar are presented.
实验验证了数值计算结果的正确性，并提出了优化设计减振刀杆的步骤。
The micro boring bar is designed in a structure of two poles, so as to be easy for on-line error inspection and compensation.
微量镗杆设计成双杆结构形式，便于误差的在线检测和补偿。
When a back and forth handle on the boring bar is rotated, the boring bar falls back and the pin can quickly dismount the knife.
当转动机床镗杆进退手柄使镗杆向后退时，销子就可快速的把刀具卸下。
The supporting length of the boring bar is prolonged and the hardness of the boring bar is greatly increased by the guide sleeve.
由于增加了导套，延长了镗杆的支撑长度，大大增强了镗杆的刚度。
This paper represents a new description about vibration coupling principle based on study of damping vibration of cutting side boring bar.
本文通过削边镗杆减振原理的研究对振型耦合原理提出一种新的描述。
In order to have a better damping effect, the design parameters of the built-in damping boring bar should be optimized in the design stage.
为了使内置式减振镗杆有比较好的减振效果，在设计时应该对其设计参数进行优化。
The designs of boring process, boring mould, boring bar, boring tool and precision boring head are analyzed and researched, and the five problems above are solved.
本文从机床布置、镗削工艺、镗模、镗杆、镗刀、精镗头的设计等诸方面进行了分析、探讨，对以上五个难点问题给以解决。
The results show it is important to use high. damping materials for improving dynamic performance of precision boring bar, especially of precision adjustable boring bar.
结果表明，采用具有优良阻尼性能的材料对于提高精密镗杆，特别是精密可调镗杆的切削稳定性，具有十分重要的作用。
The only major difference is that boring jigs are normally fitted with a pilot bushing or bearing to support the outer end of the boring bar during the machining operation.
唯一最重要的差别是镗夹具一般用于控制衬套，或者在机器操作时支撑镗杆的外端。
By means of conversion switch on counter, the counting assembly may indicate axial travel that the boring bar moves automatically or manually and may indicate total axial travel.
通过变换计数器上的计数方式，可实现自动进给计数和手动快速下降(或上升)计数，并可得到总进尺计数。
Based on theoretical analysis of stepped bending vibration boring bars, the frequency equation of a stepped bending vibration boring bar with circular and square sections is established.
通过对阶梯式弯曲振动镗刀杆的理论分析，推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程，并对阶梯弯曲振动镗刀杆进行了试验研究。
A new magnetostriction material boring bar is presented for precision finishing of different types of odd-shaped pinholes, and structural optimization and test validation are carried out.
为实现各类异形销孔的精密加工，提出了一种基于磁致伸缩材料的新型镗杆结构，并对其进行了结构优化和试验验证。
The technical equipment adopted the construction that the spindle drove boring sleeve, boring bar and cutter bar in order to finish machining spherical surface. The improved result was good.
该工装采用主轴带动镗套和镗杆及刀杆的结构来完成球面加工的切削运动，已取得了良好的使用效果。
Boring as far as possible out smaller distances in boring bar clamping, but need to pay attention to the cutting edge length should meet the machining allowance, and is conducive to the chip.
镗刀在镗刀杆上装夹时应尽可能伸出较小的距离，但需要注意切削刃伸出长度应符合加工余量，并有利于排屑。
This article makes a finite element analysis on the boring bar of combination boring-machine designed particularly for processing spindle holes of locomotive engines by using I-DEAS Master Series5.
针对镗杆在加工过程中的振动问题，结合碰撞减振理论及复合层叠材料力学原理，设计出了一套新型抗振镗杆。
The NC boring machine equipped with this kind of deformable bar can bore special-shaped pin hole in piston efficiently, and meanwhile meet the demand of micro-meter accuracy.
装有这种新型变形镗杆的NC镗床能高效地镗削活塞异形销孔，并达到微米精度的要求。
Sitting in the public bar, the leisurely listening to songs, while Look at this seemingly boring "Three Kingdoms."
坐在公巴上，悠闲地听着歌，一边看那本看似无聊的《三国演义》。
Sitting in the public bar, the leisurely listening to songs, while Look at this seemingly boring "Three Kingdoms."
坐在公巴上，悠闲地听着歌，一边看那本看似无聊的《三国演义》。
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