Preload and fatigue life of high strength bolt 高强度螺栓的预紧力及疲劳寿命
Research and application of high pre - clamping bolt fitted mounting apparatus 高预紧力锚杆配套安装机具的研究应用
Analysis and theoretical guiding for cushion bolt tighten of small safety catcher 小型防坠器的缓冲器螺栓预紧力的分析及理论推导
An analysis on the affection of pre - tightened radial force and its optimal value was carried out 对径向预紧力的作用和最佳数值进行了分析。
The characteristics of solenoid were calculated and analyzed by using the finite element method 结果表明：影响电磁阀性能的主要参数有驱动电压、初始气隙、预紧力、运动部件的质量等。
When the contact models are being built , an effective method is presented to solve the problem of bringing pre - load force 在建立接触模型时，对预紧力的施加提出了有效可行的处理方法。
An opposite force is located in the piston to balance the one caused by pressing the spring beforehand . the precision of measurement has been enhanced 在传力活塞上施加一反方向的力来平衡弹簧预紧力，提高了电磁力的测量精度。
And the stress of hole ' s edge is affected obviously by the installation pretightening force for fastener which acts directly on the stress concentration region 而安装紧固件产生的预紧力又直接作用于孔边的应力集中区域，对孔边应力有较大的影响。
In the experimental research , the experiment equipment was firstly design , and the value of prepressing can be change by adjust the distance of two soleplates 在试验方面，先设计出能够达到试验目的的设计方案，再设计出能够调整预紧力大小的试验装置。
The prepressing - force is changed by the state of the prepressing - contact cushion structure , and the slip phenomenon is appeared in the vibration environment 预紧接触式垫层结构中的预紧力是随系统的状态而改变的，在一定的振动环境下，会产生滑移、接触分离等现象。
