| 1. | Dynamic stiffnesss of the moving element suspension 运动部件悬挂动刚度 |
| 2. | Moving stiffness analysis on the parallel bonding mechanism of ic chip die 芯片粘片机并联焊头机构的动刚度分析 |
| 3. | Dynamic stiffenss ratio 动刚度比 |
| 4. | As a result , it is proved that the static / dynamic stiffness and damping force of the linear rolling guide joint affect greatly the dynamic behavior of nc machine tools 说明直线滚动导轨结合面的静、动刚度与阻尼对机床的动态特性具有很大的影响。 |
| 5. | Load test before and after reinforcement shows that the cfrp reinforcing method can enhance the bearing capacity effectively and improve the dynamic stiffness of the structure 加固前后的荷载试验表明,碳纤维加固可有效提高结构的承载力,改善结构的动刚度。 |
| 6. | Such characteristic parameters as static / dynamic stiffness and damping force were studied for the linear rolling guide joint of nc machine tools on a cks6116 horizontal nc lathe 摘要对某机床厂cks6116卧式数控机床导轨结合面的静、动刚度与阻尼等参数特性进行了研究。 |
| 7. | It has been researched and widely used abroad , but is still new in our country , and the test method of bonded resilient baseplate has not been mature and standarized 总结了压缩型轨道减振器的各种性能的试验方法,包括刚度和变形、垂向升举、横向约束、纵向约束、疲劳、低频动刚度等试验。 |
| 8. | On the bases of carrying out idle operation , cutting and modal experiment of certain numerical controlled lathe , it is determined that weak dynamic stiffness in the spindle component of machine tool is the reason in the respect of structure for causing cutting vibration of machine tools 摘要在对某型数控车床进行空运转、切削及模态试验的基础上,确定了机床主轴部件动刚度薄弱是引起机床切削的结构颤振方面的原因。 |
| 9. | In the past many researchers studied dynamic stiffness and damping coefficients of surface and embedded rigid foundations of arbitrary shapes in the elastic homogenous half space . dynamic stiffness and damping coefficients were obtained by using regularly shaped foundations instead of arbitrarily shaped ones 首次提出利用动力相互作用因子求解均质弹性半空间上的任意形状的刚性明置和埋置基础的动刚度和阻尼系数的方法。 |
| 10. | The modal analysis result shows that the vertical and horizontal frequencies of dps undeployed are high enough and suffice the dynamic stiffness requested for launching . but the large spread length and light weight effect the low frequency of dbs deployed , so considerations should be taken to the effects of other systems of the satellite . the static analysis result shows that the displacements of the dbs are small under the joint affect of vertical and horizontal loads , and stresses are low , so the stiffness and intensity are good enough 模态分析结果表明伸杆收拢状态的轴向和横向频率都比较高,可满足发射升空时的动刚度要求;静力分析结果表明伸杆结构在卫星处于发射段和上升段时,在轴向和横向过载联合作用下变形均较小,刚度足够;其应力水平亦较低,强度储备较大。 |