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朱日和铜业有限责任公司选厂的1台ZTMG2736型球磨机投入使用后,发现电动机的轴头端瓦座温度总比后端的瓦座高8℃左右。电动机型号为TDMK400-32/2150。打开瓦座,发现瓦的侧面磨损2mm左右。电动机通过柱销联轴器与球磨机小齿轮轴联接,不存在轴向受力的情况。起初怀疑是因电动机安装不水平,经测量,否定了此因素。又怀疑是由于震动引起的,与另一台同样的球磨机比较,也否定了该原因。后经过仔细查找发现,电动机定子铁芯与转子铁芯的轴向中心线没有对齐,定子和转子在安装时
After putting into operation a ZTMG2736 ball mill of the plant selected by Zhu Rihe Copper Co., Ltd., it was found that the temperature of the shaft end of the motor was always about 8 ° C higher than that of the rear shoe. Motor model TDMK400-32 / 2150. Open the tile seat and found that the tile side wear 2mm or so. The motor is connected to the ball mill pinion shaft via a pin coupling and there is no axial stress. Initially suspected due to motor installation is not level, by measuring, denied this factor. Also suspected due to vibration, compared with another same ball mill, also denied the reason. After careful search found that the motor stator core and rotor core axial centerline is not aligned, the stator and rotor at the time of installation