维修天津数控车床刀架故障维修

①<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">此位刀的霍尔元件损坏:<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">确认是哪个刀位使刀架转不停，在系统上输入指令转动该刀位，用万用表量该刀位信号触点对24v<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">触点是否有电压变化，若无变化，可判定为该位刀霍尔元件损坏，更换发信盘或霍尔元件。

②<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">此刀位信号线断路，造成系统无法检测到位信号:<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">检查该刀位信号与系统的连线是否存在断路，正确连接即可。

③<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">系统的刀位信号接收电路有问题:<span style="font-family: 宋体; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">当确定该刀位霍尔元件没问题，以及该刀位信号与系统的连线也没问题的情况下更换主板。

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