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数控机床的电气故障分为数据系统故障和机械控制故障两大类,前者由NC单元的故障检测程序检测,后者则由PLC的故障检测程序检测,这两类故障都可以通过相应的显示程序在显示器屏幕上作出报警,维修人员可以根据报警的信息对故障进行分析,查找故障的原因。 本讲介绍由NC单元检测的故障和提供的报警信息。这些报警信息在大隈公司提供的“报警和错误表”(ALARM＆ERROR LIST)手册中有详细的说明,由于一个故障产生的原因可能是多种多样的,所以手册中只能做一般的论述,维修人员应根据具体情况进行分析。
CNC machine tool electrical fault is divided into two major categories of data system failures and mechanical control failures, the former by the NC unit fault detection program detection, the latter by the PLC fault detection program detection, these two types of faults can be displayed through the appropriate program Alarm on the monitor screen, maintenance personnel can analyze the fault according to the alarm information to find out the cause of the fault. This section describes the faults detected by the NC unit and the alarm information provided. These alarm messages are described in detail in the ALARM & ERROR LIST manual provided by Oki Electric Corporation. Since a single fault may have a variety of causes, the general discussion can only be made in the manual. Maintenance personnel Should be based on the specific circumstances of the analysis.