Due to structure peculiarity, design principle, failure form and worn examples, pointed a better method to delay fatigue life of gear surface.
针对齿轮的结构特点、设计原则、失效形式及各种破损实例，指出了当前提高齿轮表面疲劳寿命的最有效方法。
The main reason for tyre peeling consists in fatigue failure during surface contacting, and the remedial measure to tyre peeling consists mainly in welding on site.
轮带发生剥落掉块的原因主要是表面接触疲劳破坏，处理剥落掉块的方法主要是现场焊接。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
Fatigue wear on the surface of gear is one of the main kinds of failure of the gear.
齿轮表面的疲劳磨损是齿轮故障的主要形式之一。
Through analysis many times, the main reason is fatigue failure that is caused by stress concentration and surface quality.
经多次分析，确定主要原因是应力集中和表面质量差引起的疲劳失效。
We have made certain that the reason of the splined spindle rapture is fatigue failure, its crack initiation lies in the minimal knuckle curvature radius surface region of the spline dedendum bottom.
初步确定了花键轴的断裂是疲劳断裂，裂纹源在花键齿根底部过渡圆角曲率半径最小的表面部位。
The results showed that the fracture was of typical fatigue fracture, and surface defects were the main factor resulting in the failure of the air valve spring.
结果表明，断裂呈现典型的疲劳断裂特征，材料表面缺陷是引起该弹簧疲劳断裂的主要原因。
In response to the complexity of calculation for failure probability regarding fatigue crack growth life, a method for reliability analysis based on neural network response surface was presented.
针对疲劳裂纹扩展寿命失效概率计算的复杂性，提出基于神经网络响应面的可靠性分析方法。
The type of failure in operation is no longer the fatigue spall, but starts Witt the surface damage.
使用中的失效形式已不是疲劳剥落，大多是起始于表面损伤一类的故障。
The type of failure in operation is no longer the fatigue spall, but starts Witt the surface damage.
使用中的失效形式已不是疲劳剥落，大多是起始于表面损伤一类的故障。
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