TRICONEX 伺服驱动器 3000510-180
TRICONEX 伺服驱动器 3000510-180
用万用表测量驱动器主回路进线端1U、1W,确认驱动器主回路内部存在短路。由于6RA26**交流驱动器主回路进线直接与晶闸管相连,因此可以确认故障原因是由于晶闸管损坏引起的。逐一测量主回路晶闸管V1-V6,确认V1、V2不良(己短路);更换同规格备件后,机床恢复正常。由于驱动器其他部分均无故障,换上晶闸管模块后,机床恢复正常工作,分析原因可能是瞬间电压波动或负载波动引起的偶然故外部故障引起电动机不转的故障维修一台配套SIEMENS6M系统的进口立式加工中心,在换刀过程中发现刀库不能正常旋转。
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