轴颈

The journal rubs against the bearing surface.

轴在轴承面上摩擦。

The influence of structure parameters which include diameter of round corner in axis, crankpin length and crankweb width and so on to stress focus place were discussed.

同时还探讨了曲轴的部分结构参数对其应力集中部位的影响，如轴圆角径、曲度和曲臂厚度等。