Excessive vibration may lead to tube failure due to fatigue or fretting-wear.
振动，由于疲劳与磨损将导致管子的破坏。
The dynamic effects due to vibration should be taken into account by the designer if fatigue failure is to be avoided.
为了避免弹簧的疲劳破坏，设计者应对弹簧由振动所引起的动力影响加以考虑。
Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.
滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。
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 failure of most valve springs is due to the applied positive stress resulting in the fatigue fracture.
多数汽门簧的失效是正应力引起的疲劳失效。
And the brush of high temperature gas and impact load speeded failure. The cracks on valve sur-face are primarily emerged due to inter crystalline chap, then fatigue pr...
高温燃气冲刷及冲击负荷的作用，加速了该气门的失效，其过程是由沿晶界龟裂，然后以此为裂源而引起的疲劳扩展。
The ge neral fatigue theory of rolling bearings is unable to predict the failure due to skidding and skewing of rolling elements, which often occur in high speed roller bearings.
在高速轻载的工况下，滚子轴承的打滑蹭伤及由于滚子歪斜引起的滚子端面磨损已成为滚子轴承的主要失效原因。
The ge neral fatigue theory of rolling bearings is unable to predict the failure due to skidding and skewing of rolling elements, which often occur in high speed roller bearings.
在高速轻载的工况下，滚子轴承的打滑蹭伤及由于滚子歪斜引起的滚子端面磨损已成为滚子轴承的主要失效原因。
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