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1)  friction excitation
摩擦激励
1.
Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise,and the relation between friction excitation frequency and gearing frequency were analyzed.
以一台C630车床空转噪声的测试数据为依据,分析了齿面摩擦对车床挂轮噪声的影响,以及摩擦激励频率与齿轮啮合频率的关系,并通过涂油润滑降低挂轮噪声的实验对此进行了验证。
2.
The vibration and noise of gear of C630 lathe head stock was tested with noise spectrum analysis technology,and the various frequency components in the different conditions were analyzed,which proves that the friction excitation frequency of gear is two times that of gear meshing frequency.
采用噪声频谱分析的方法对C630车床床头箱挂轮在不同情况下的振动噪声进行测试,分析了各种振动情况的频率成分,证明了齿轮摩擦激励频率为啮合频率2倍的结论。
2)  friction induced vibration
摩擦激振
3)  frictional self-excited vibrating
摩擦自激振动
1.
Study on the frictional self-excited vibrating of the feed system in NC machining tool;
数控机床进给系统摩擦自激振动研究
4)  friction [英]['frɪkʃn]  [美]['frɪkʃən]
摩擦
1.
Development of Research on Friction and Wear of High Performance and high Temperature Polymer Composites;
高性能耐高温聚合物复合材料的摩擦磨损性能研究
2.
Effect of friction on deforming condition during tube expanding process;
管材扩径时摩擦对变形状态的影响
3.
Determination of friction coefficient based on finite element analysis;
基于有限元分析的摩擦系数测定
5)  tribology [英][trai'bɔlədʒi]  [美][traɪ'bɑlədʒɪ]
摩擦
1.
Tribology and Wear of MoS_2/Ti Composite Films;
MoS_2/Ti复合膜的摩擦磨损研究
2.
Tribology is the key factor that causes micro-components disabled in micro-electro mechanical system.
微机电中的摩擦是造成微构件失效损坏的关键因素,指出微机电中的摩擦属于原子分子尺度上的力学行为,具有不同于宏观摩擦的新特性。
6)  rubbing [英]['rʌbɪŋ]  [美]['rʌbɪŋ]
摩擦
1.
Compensating For the Super-Long Precision Rubbing Rollor’s Flexure
超长精密摩擦滚子的变形补偿
2.
In this paper, using infrared dichroism, the researchers quantitatively analyzed the LC scalar order parameters on the surface of an alignment layer after rubbing treatment.
液晶分子的取向排列通常需取向膜诱导引发,但实验发现强摩擦处理的取向膜表面的液晶分子有序度远低于液晶体内部的有序度,大约为体内部的1/2。
3.
With reference to the special features of Alstom type 330MW sets, the paper analyses the factors that causes high bearing temperature, the development of excessive vibration as well as ways of dealing with the rubbing between stationary and rotating parts.
该文结合ALSTOM类型机组特点,重点对蒙达公司1号机的轴承温度高和振动的发展过程,以及以后发生的动静部位摩擦的处理进行了分析,为同类型机组类似问题的分析和处理提供了一定的经验。
补充资料:摩擦学:滚动摩擦
滚动摩擦
两相互接触的物体有相对滚动或有相对滚动趋势时的摩擦。滚动摩擦的机理不同於滑动摩擦﹐它主要来源於滚动体在接触区域產生弹-塑性变形﹐在以接触点(或线)为中心的接触区内接触压力分布不对称﹐致使支承面的反力N 发生偏心﹐并產生摩擦力F (见图 滚动摩擦示意图 )。用表示法向反力N 到接触点的距离﹐根据力的平衡条件可得
        
        式中为滚动体半径﹔为滚动摩擦係数﹐它的量纲为长度﹐其值与接触面的材料﹑粗糙度﹑温度和湿度等因素有关。
  
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