N an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train 中间轴
The result indicates that the fracture of the drive countershaft is fatigue fracture.
结果表明，传动副轴的断裂是疲劳断裂。
Use of mathematical tools unifies counter point angular momentum and countershaft angular momentum.
利用数学工具将对点的角动量和对轴的角动量统一起来。
The improved heat treatment process was obtained by adjusting technology parameters and changing parts loading mode. As a result, the contact accuracy and life of countershaft were improved.
通过热处理工艺改进，调整了渗碳淬火工艺参数并改变了装炉方式，提高了齿轮轴接触精度和使用寿命。
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