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行星齿轮传动与平行轴齿轮传动相比,优点很多。其中主要一点是由于几个行星轮与太阳轮及内齿轮同时啮合,使功率分流,因此,传动元件的结构尺寸比相同条件下的平行轴齿轮传动小得多。可是,几个行星轮的均载问题,直接影响传动装置的使用状况及寿命。这就要求行星传动的设计重点要尽可能的放在使各个行星轮载荷均布上。否则,就会产生振动和噪声,造成不同程度的动载。轻者,齿轮箱还可以继续工作;重者,使承载最大的齿轮局部齿面实际运行的疲劳应力超过了材料的许用疲劳应力,当齿轮运行到一定的循环次数时,就会造成齿面
Planetary gear transmission and parallel shaft gear drive compared to many advantages. The main point is that the structure size of the transmission element is much smaller than that of the parallel shaft gear drive under the same conditions because several planetary gears mesh with the sun gear and the internal gear at the same time to shunt the power. However, the load balance of several planet wheels has a direct impact on the service condition and service life of the transmission. This requires that the planetary transmission design focus as much as possible on each planet wheel load uniform. Otherwise, it will produce vibration and noise, resulting in varying degrees of dynamic load. Light, the gear box can continue to work; heavy, so that the maximum carrying gear local tooth surface actual fatigue stress exceeds the allowed material fatigue stress, when the gear runs to a certain number of cycles, it will cause the tooth flank