Based on the achievements obtained. the theoretic formula that determine the rut size of the caterpillartractor and the friction drag coefficient of motion was deduced.
笔者将在此基础上．推导出履带式拖拉机的车辙大小的理论公式及其沿疏松土地行走时的运动阻力系数。
2
Photoelastic stress analysis proves reliable line contact simulation of samples for gear style contact fatigue parts designed by CaterpillarTractor Co. , USA.