This paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact Ferrographical analysis is made.
本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验，同时还进行了铁谱分析。
As for material's performance under the effect of dynamic loading, it plays an important role for welding residual stress in the analysis of material fatigue strength.
对于材料承受动力载荷性能的影响而言，焊接残余应力对材料疲劳寿命的影响是重要的。
Through analysis and calculation of the fatigue strength condition of component parts this paper discovers the erratam and analyses the reason.
通过对广泛应用于机械设计中的非对称循环下构件疲劳强度条件的分析，提出了存在的问题。
The fatigue and ultimate strength analysis of hull structure with two different butt-welding lines distribution was researched in this paper.
对两种不同对接焊缝布置下的船体结构进行疲劳强度和极限承载能力分析。
The approach to apply the combined theory of strength and stability into fatigue analysis is discussed.
探讨了强度稳定综合理论用于疲劳寿命计算的方法。
Then, the fatigue strength analysis of K-joint is carried out.
然后对管节点进行了疲劳强度分析。
Depending on the reliable design theroy of fatigue strength, the paper deals with the analysis method between drum and grinding head of a ball mill.
根据疲劳强度的可靠性设计理论，对球磨机的磨头与筒体法兰结合面处的联接螺栓进分了抗疲劳分析，建立了一套可分的设计理论和机算方法。
And the research about seat safety concentrates on the analysis of static strength, impact strength and fatigue strength.
与安全性相关的研究主要围绕座椅的静强度、冲击强度以及疲劳强度的分析。
Based on residual strength interference model and life interference model, a sensitivity analysis method on reliability was proposed for the fatigue crack growth life of powder metallurgy materials.
结合粉末冶金材料含有非金属夹杂裂纹的特点，以裂纹扩展寿命可靠性分析的剩余强度模型与寿命干涉模型为基础，建立了多夹杂裂纹扩展的可靠性敏度分析模型。
The 3-d finite element model of bolt is calculated by the method of contact analysis, and the fatigue strength of bolt is checked.
并采用接触分析法对螺栓的应力应变进行了三维有限元计算，对螺栓的疲劳强度进行了校核。
Then, the present Damage Mechanics theory is briefly introduced , and the advantages of using damage mechanics in rotor fatigue strength analysis is also discussed.
最后，就汽轮机转子疲劳强度的损伤力学研究进行了展望。
The paper discusses the failure mechanism of structural system subjected to dead and fatigue load and gives the method of reliability analysis considering static strength and fatigue.
具体分析了结构系统在静载和疲劳载荷作用下的失效机理以及各失效模式之间的相关性，给出了在静载和疲劳载荷作用下结构系统的可靠性分析方法。
Especially the accurate modeling of the transition curve of dedendum, which ensures the accuracy of bending fatigue strength of the tooth root by the finite element analysis.
特别是对齿根过渡曲线白勺准确建模，保证了对齿根弯曲疲劳强度停止有限元分析白勺准确性。
Especially the accurate modeling of the transition curve of dedendum, which ensures the accuracy of bending fatigue strength of the tooth root by the finite element analysis.
特别是对齿根过渡曲线白勺准确建模，保证了对齿根弯曲疲劳强度停止有限元分析白勺准确性。
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