本文利用有限元方法分析了钻柱轴向振动规律。
In this paper, the regularity of longitudinal vibration was analyzed by using finite element method.
给出了钻柱轴向振动的固有频率和振动传输公式。
The formulas for calculating natural frequency and vibration transmission ratio are given.
对圆管周向和轴向振动两种振动模式进行了讨论。
The circumferential-direction vibration mode and axial vibration mode of the ceramic ring are discussed.
本文研制一种超声轴向振动系统，并对合金铜进行试验。
In this paper, the author developed an ultrasonic vibration drilling system, and utilized it to do experiments on copper alloy.
提出了一种利用钻柱轴向振动调幅信号实现岩性识别的方法。
A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
通过流体力学分析，得出了该工具轴向振动频率和水击压力公式。
Through the hydrodynamic analysis, the formula of axial vibration frequency and water hammer pressure of the tool has been obtained.
文中研究了固体发动机结构的轴向振动对燃烧室内弹道性能的影响。
The influence of structure axial vibration on the internal ballistics of solid rocket motor was investigated.
探讨了受水平、垂直和轴向振动激励下高速转子的进动与振动特征。
The whirl and vibration characteristics of high-speed rotors are investigated under the excitation of horizontal, vertical and axial vibrations in this paper.
采集从新锯片开始锯切到失效整个过程中，锯片径向和轴向振动信号。
Sample the radial and axial vibration of the blade, and carry on power cepstrum, frome a new ID saw blade slicing till to its invalidation;
工业生产中，转动设备轴向振动故障并不多见，且没有现成的解决方案。
Axial vibration fault of rotating equipment is infrequent in industrial production, and there is no forthcoming treatment.
利用有限元技术对微细钻头超声轴向振动钻入横向偏移过程进行深入分析。
Transverse excursion process of micro drill in ultrasonic longitudinal vibration drilling is analyzed by using finite element method.
风机增速箱齿轮更换后，导致风机轴瓦(与增速箱相连)垂直、轴向振动大。
There was big vibration in blower bush (linking up with a speed increasing box) vertically and axially after changing of the speed increasing box gears of the blower.
为了提高研磨效率与表面质量，在研磨机床中采用振动机构来实现轴向振动运动。
For the increase of finishing efficiency and surface quantity, the vibration mechanism was used in finishing machine so as to realize the motion of axial vibration.
对比分析不同激振情况下，踏面径向振动与辐板轴向振动对噪声声压级的贡献比例。
Compared of different contributions of the tread vibration and the web vibration on sound level of railway noise.
本文通过试验得出了碟形圈密封漏失量的经验公式，并对轴向振动的影响进行了修正。
A empirical equation of the leakage of Belleville ring seal is presented, and a correction for the axial vibration is given.
基于振动钻削的基本原理，对轴向振动钻削的运动学特性和钻尖切削状况进行了分析。
Based on the basic principle of vibration drilling, its kinematics characteristics was analyzed and the cutting conditions of twist drill were studied.
分析了微小孔钻头轴向振动入钻时特殊的动力学行为及其对入钻定位误差的修正作用。
This paper analyses the special dynamic behavior of entering drilling of micro drill with vibration in the direction of axis and its correction function to location error of entering drilling.
为快速选择合适的轴向振动钻削参数，实现深孔的顺利加工与自动化加工奠定了理论基础。
This lays down a theoretical foundation for quick selection of right axial vibration drilling parameters and successful automatic machining of deep holes.
利用光散射测量方法研究了短圆管挤出模头中聚合物熔体取向行为对螺杆轴向振动的响应。
The response of the polymer melt behavior of orientation for axial vibration of screw in short pipe extrusion die head was studied by the light scattering technology.
将水轮发电机组系统的振动问题分解为轴向振动、径向弯曲振动及切向扭转振动进行研究。
The vibration of axial, radial bend and tangent torsion direction on water turbine-generator unit is discussed.
本发明扩大了轴向脉动强度的调节范围，从而可以更好地满足挤出机螺杆轴向振动的要求。
The invention broadens the adjusting range of the axial pulsation intensity so as to better meet the demand of screw rod axial pulsation of the squeeze machine.
实现了对杆单元的轴向振动系统、析架系统，平面梁单元的转子系统等上述两类问题的求解。
It has been successfully applied to solve the problems of truss structure system, axial vibration system, rotor system and plane beam system etc.
求出由轴向振动引起的最大动应力的大小及位置，进而对振动量与最大动应力的关系进行剖析。
The size and location of the maximum dynamic stress induced with axial vibration were found, the relation between the vibration quantity and the maximum dynamic stress was analyzed.
通过观察和检测数据分析，电动机的平板式钢板端盖改为盘式铸铁端盖，可提高端盖刚度，降低电机轴向振动。
By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.
本文简述了利用电涡流测振仪对船舶推进轴系的轴向振动的测量方法，并对一艘出口油船的测量结果进行了讨论。
This paper briefly introduces an effective method in measuring axial vibration for Marine propulsion system by using eddy-current transducer. The result of testing on an export tanker is discussed.
对聚合物电磁动态塑化挤出机螺杆轴向振动系统，根据牛顿型粘性流体的剪切理论，确定了聚合物熔体的阻尼系统。
Based on the shear theory of Newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer Extruder screw's axial vibration system.
并给出计算任意组合钻柱系统的轴向振动稳态响应的一般方法，提供不同测量条件下分析钻柱轴向振动状态的不同方法。
The calculation method of drilling string axial vibration is given. Meanwhile, the different methods of analysing drilling string axial vibration state are supplied in different surveying condition.
研究结果表明，利用轴向振动使常规钻削加工中常出现的切屑堵塞现象，可以通过有效地破坏近壁流动死区而得到控制，与常规钻削加工相比，振动钻削提高了系统的排屑能力。
The results show that vibration drilling has a better ability of chip removal than common drilling. The reason is that there exists a region in the vicinity of the wall where a chip can not b…
研究结果表明，利用轴向振动使常规钻削加工中常出现的切屑堵塞现象，可以通过有效地破坏近壁流动死区而得到控制，与常规钻削加工相比，振动钻削提高了系统的排屑能力。
The results show that vibration drilling has a better ability of chip removal than common drilling. The reason is that there exists a region in the vicinity of the wal…
轻微的横向、轴向及扭转振动不影响钻井的正常作业，而钻柱的共振状态会对钻井产生严重的影响。
Light lateral and axis and torsion vibrations do not affect the normal work, but the resonance state has severity effect to drill string.
应用推荐