论文部分内容阅读
我公司的一台ＨＤ４００ＳＥＭ型挖掘机是８０年代中期从日本购进的，使用中其回转机构曾出现故障，致使回转失灵。解体后发现：回转马达齿轮因过度磨损已失效；回转马达芯轴与齿轮连接的渐开线花键也已缺损。 回转马达芯轴为扭矩输出轴，由于该轴加工精度要求高，加之现有的花
One of our company’s HD400SEM excavators was purchased from Japan in the mid-1980s, and the slewing mechanism in the company had a malfunction, causing the slewing malfunction. Disintegration and found: slewing motor gear due to excessive wear and tear has failed; slewing motor mandrel and gear connected involute splines have also been missing. Rotary motor mandrel torque output shaft, due to the high machining accuracy of the shaft, coupled with the existing flowers