数控机床报警显示sv438(z)逆变器电流异常是什么情况啊?
推荐回答(3个)
sv438(z)是指Z轴马达电流过高。原因可能有:
1、伺服放大器故障。
2、电缆线有破损或短路。
3、马达故障。
解决方法:在Z轴放大器上将马达电缆线与放大器脱开,然后打开电源,看是否有报警,若有报警,说明伺服放大器已经损坏。若无报警,则马达及电缆线损坏的可能性较大,需仔细检查。
扩展资料:
机床故障可分为以下几种类型。
1、系统故障和随机故障
按故障的出现的必然性和偶然性,分为系统性故障和随机性故障。
系统性故障是指机床和系统在某一特定条件下必定会出现的故障,随机性故障是指偶然出现的故障。因此,随机性故障的分析和排除比系统性故障困难的多。
通常随机性故障往往会因为机械结构局部松动、错位、控制系统中元器件出现工作特性飘移,电器元件工作可靠性下降等原因造成,需经反复试验和综合判断才能排除。
2、诊断显示故障和无诊断显示故障
按故障出现时有无自诊断显示,可以分为有诊断显示故障和无诊断显示故障两种。
如今的数控系统有比较丰富的自诊断功能,出现故障时会停机、报警而且会自动显示相应报警的参数号,这样可以让维护人员很快找到故障原因。
而无诊断显示故障,一般是机床停在某一位置不能动,手动操作也没法,维护人员只能根据出现故障前后现象来分析判断,排除故障难度就比较大。
3、破坏性故障和非破坏性故障
以故障有无破坏性,分为破坏性故障和非破坏性故障。
对于破坏性故障就像伺服失控造成撞车,短路烧断熔丝等,维护难度较大,有一定危险,修后这些现象是不能重复出现的。而非破坏性故障可经过多次反复试验至排除,就不会对机床造成危害。
4、机床运动特性质量故障
此类故障发生后,机床会照常运行,不会有报警显示,但加工出的工件不合格。对于这些故障,必须在检测仪器配合下,对机械、控制系统、伺服系统等采取一些综合措施。
5、硬件故障和软件故障
按发生故障的部位分为硬件故障和软件故障。
硬件故障只要通过更换某些元器件就可以排除,但是软件故障是编程错误导致的,因此需要修改程序内容或修订机床参数来排除。
6、数控机床常见的操作故障
防护门未关,机床不能运转。机床未回参考点。主轴转速S超过zui高转速限定值。程序内没有设置F或S值。进给修调F%或主轴修调S%开关设为空挡。回参考点时离零点太近或参考点速度太快,引起超程等等。
参考资料来源:百度百科—数控机床
参考资料来源:百度百科—数控机床故障维修
你的机器应该是FAUNC系统。sv438(z)是指Z轴马达电流过高。可能性有:1:伺服放大器故障。2:电缆线有破损或短路。3:马达故障。解决方法:在Z轴放大器上将马达电缆线与放大器脱开,然后打开电源,看是否有报警,若有报警,说明伺服放大器已经损坏。若无报警,则马达及电缆线损坏的可能性较大,需仔细检查。若仍有疑问,可联络周先生:13922504956。
根据你的报警号,这肯定用的是FANUC系统,如一开机还没动作的话一般是电机或线的原因。具体情况具体分析,如果是动作一会出现的话,首先你先看一下Z轴动作时的负载率,在保证润滑到位的情况下,这个报警一般是由于机械原因引起的。望采纳,有不懂的可以问。
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