目前大多数货车车辆段轴瓦体的抛光工艺仍采用砂轮手工抛光。这种工艺方法不仅抛光质量差,生产率低,而且劳动强度大,作业环境恶劣。最近有几个车辆段陆续上了一些机械化、半机械化抛光设备,使抛光质 At present, the polishing process of the shaft block body of most truck depots is still manually polished by grinding wheels. This method of polishing not only poor quality, low productivity, but also labor-intensive, poor operating environment. Recently, several depots have been put on some mechanized and semi-mechanized polishing equipment to make the polishing quality