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。
At present, tuning-folk resonance plate structure is common used in crankshaft bending fatigue test bench in domestic diesel engine industry.
目前，国内柴油机行业普遍使用的曲轴弯曲疲劳强度试验台架，均采用音叉共振板结构。
The bending fatigue strengths of ADI gears treated with different processes were test and compared.
对各种状态的奥贝球铁齿轮的弯曲疲劳强度进行了试验研究。
The piston rod of family sedan's rear snubber fractured duringearlier stage of rotary bending fatigue test.
家轿后减振器活塞杆在进行旋转弯曲疲劳试验时出现早期断裂。
The impact fatigue property of cemented carbide was studied by impact bending test in this paper.
采用冲击弯曲试验研究了硬质合金的冲击疲劳性能。
Based on the broken gear teeth in contact fatigue test, bending fatigue life curve was got by applying finite element stress analysis results, MSC.
本文以接触疲劳试验中疲劳断齿齿轮为依据，利用有限元应力分析结果以及试验得到的弯曲疲劳寿命曲线，应用msc。
Results showed that ferrite net and lower hardness due to low cooling rate, coarser finish machining resulted in the fracture during earlier stage of rotary bending fatigue test.
结果表明，冷却不足使组织中出现网状及小块状铁素体，导致硬度偏低，加之磨削加工痕迹较粗是引起前轮毂早期断裂的原因。
Through laboratory test, the fatigue property of different high bending strength pavement concrete is studied, which is contrasted with different concrete under the same stress level and load.
通过室内试验研究了不同种类高抗折强度路面混凝土的疲劳性能，并在相同应力水平以及相同荷载作用下与不同类型混凝土的疲劳性能进行了对比分析。
Through laboratory test, the fatigue property of different high bending strength pavement concrete is studied, which is contrasted with different concrete under the same stress level and load.
通过室内试验研究了不同种类高抗折强度路面混凝土的疲劳性能，并在相同应力水平以及相同荷载作用下与不同类型混凝土的疲劳性能进行了对比分析。
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