只有掌握了车轮和轨道的轮廓型面，并将两者相结合，才可能掌握几何接触状况对铁路运营车辆的运行性能所产生的影响。
Only after getting the contours of wheels and rail, and combining the two together, the effect of geometric contact conditions on the running performance of operating railway cars can be obtained.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
在对深沟球轴承几何参数及接触应力分析的基础上，给出了沟曲率半径系数的控制方程，并对轻、中、重系列轴承的外圈沟曲率半径系数的选取进行了探讨。
Based on the analysis of geometry parameters and contact stresses of the deep groove ball bearings, the control equation of groove curvature radius has been drawn out.
应用推荐