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1)  low frequency vibration tapping
低频振动攻丝
2)  Low frequency vibration tapping machine
低频振动攻丝机
3)  low-frequency torsional vibration tapping
低频扭转振动攻丝
1.
Aiming at to the question that sticking phenomenon of tapping and bad thread quality on metal matrix composite Al2O3p/Al, the reason of question and the mechanism of low-frequency torsional vibration tapping are analyzed.
针对Al2O3p/Al金属基复合材料普通攻丝出现的粘刀现象和螺纹质量不好的问题,分析了问题原因及低频扭转振动攻丝工艺特点,进行了干切状态下振动攻丝和连续攻丝螺纹质量对比实验。
4)  vibration tapping
振动攻丝
1.
Investigation of small-hole vibration tapping in difficult-to-cut materials;
难加工材料小孔振动攻丝试验研究
2.
Optimization estimation for vibration tapping torque signal;
振动攻丝扭矩信号的最优估计
3.
Study of vibration tapping on small screw of stainless steel;
1CrNi9Ti不锈钢M3螺纹振动攻丝技术
5)  Vibratory tapping
振动攻丝
1.
Form the rigidity of processing system,this paper analyzed and studied the relation of rigidity of processing system between vibratory tapping and common tapping.
从工艺系统刚度入手,分析研究了振动攻丝与普通攻丝工艺系统刚度的基本关系,并通过试验验证了振动攻丝的实际工艺效果。
2.
Based on the analysis of factors to influence the torque of vibratory tapping,the rules are analyzed to summarize several valid ways to control the torque.
在分析影响振动攻丝扭矩主要因素的基础上 ,结合试验结果揭示出各主要因素对攻丝扭矩的影响及其变化的基本规律 ,并归纳出了几种有效的控制振动攻丝扭矩的方法。
3.
This paper developed a vibratory tapping chuck base on vibratory cutting principle.
本文根据振动攻丝基本原理 ,研制出具有振动攻丝功能的振动攻丝卡头 ,并利用该卡头对振动攻丝切削力变化特点进行了大量的实验研究。
6)  Low-frequency vibration
低频振动
1.
Numerical analysis of building under low-frequency vibrations induced by subway running train;
地铁运行列车引起建筑物低频振动的数值分析
2.
A new phase difference measurement method for low-frequency vibration signals based on DTFT;
基于DTFT的一种低频振动信号相位差测量新方法
3.
This paper investigated the influence of low-frequency vibration on the dispersion of nano-OMMT in the compound of HDPE/nano-OMMT by the self-made vibration injection device.
利用自行研制的振动注塑装置研究低频振动对HDPE/纳米OMM T体系中纳米OMM T在基体中的分散性。
补充资料:点振子振动和点电极振子振动
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性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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