來源:昌昇自動化時間:2021-04-07
工業伺服電機係統是比較複雜的,一旦發生故障很難識別出其原因,這就需要經驗豐富的伺服電機維修師傅來處理,接下來小編就給大家說一說引起伺服電機故障常見的原因,大家可以看看文章學習一下。
下麵是導致伺服電機故障的常見原因:
1、暫態電壓
瞬態電壓是指來自內部來源(例如靜電放電)或外部來源(例如雷電或共享變壓器)的(de)短(duan)時(shi)電(dian)湧(yong)。這(zhe)些(xie)電(dian)湧(yong)的(de)幅(fu)度(du)和(he)頻(pin)率(lv)各(ge)不(bu)相(xiang)同(tong),並(bing)且(qie)由(you)於(yu)其(qi)波(bo)動(dong)性(xing)和(he)不(bu)常(chang)見(jian)性(xing),可(ke)能(neng)難(nan)以(yi)確(que)定(ding)問(wen)題(ti)的(de)根(gen)源(yuan)。瞬(shun)態(tai)迫(po)使(shi)電(dian)機(ji)過(guo)熱(re)並(bing)幹(gan)擾(rao)定(ding)時(shi)。隨(sui)著(zhe)時(shi)間(jian)的(de)流(liu)逝(shi),暴(bao)露(lu)在(zai)瞬(shun)變(bian)中(zhong)會(hui)使(shi)電(dian)動(dong)機(ji)繞(rao)組(zu)退(tui)化(hua),從(cong)而(er)導(dao)致(zhi)伺(si)服(fu)電(dian)機(ji)完(wan)全(quan)失(shi)效(xiao)。 如果無法消除瞬態電壓源,例如當它來自外部電源時,瞬態電湧抑製器可幫助調節進入電動機的電壓,以防止損壞。
2、驅動輸出PWM信號的反射
變頻驅動器使用一種稱為脈衝寬度調製(PWM)的(de)技(ji)術(shu)來(lai)合(he)成(cheng)電(dian)機(ji)的(de)輸(shu)出(chu)。如(ru)果(guo)安(an)裝(zhuang)或(huo)維(wei)護(hu)不(bu)當(dang),這(zhe)些(xie)設(she)備(bei)會(hui)產(chan)生(sheng)反(fan)射(she),這(zhe)意(yi)味(wei)著(zhe)某(mou)些(xie)信(xin)號(hao)會(hui)傳(chuan)播(bo)回(hui)原(yuan)點(dian)。這(zhe)些(xie)反(fan)射(she)會(hui)導(dao)致(zhi)阻(zu)抗(kang)失(shi)配(pei),並(bing)在(zai)電(dian)機(ji)繞(rao)組(zu)絕(jue)緣(yuan)上(shang)產(chan)生(sheng)應(ying)變(bian),從(cong)而(er)導(dao)致(zhi)電(dian)機(ji)故(gu)障(zhang)。
3、過載和過熱
dianjiguzhangdejiandanyuanyinzhiyishiguozai,dangninchaoguodianjiderongliangshihuifashengguozai,congerdaozhiguoreheguodadedianliuxiaohao。dianjiguozaihuizaochengjixiehedianqisunhuai,daozhiguozaomosunbingjiangdidianjiraozujueyuanxingneng。keyitongguoshidangchicundedianjiqudongfuzailaifangzhizhexieyingxiang。
4、軸承磨損
zhouchengmosunshilingyizhonggulidejixieguzhang,huidaozhigengyanzhongdesunhuai。yugongnengzhouchengxiangbi,shixiaozhouchengxiaolvjiaodi,bingqiehuisanfagengduoreliang,zhehuigeigongnengzujiandailaiewaideyingbian,congershizishenchengshougenggaodeshixiaofengxian。zhouchengkenengyouyuduozhongyuanyinershixiao。
以yi上shang就jiu是shi關guan於yu伺si服fu電dian機ji故gu障zhang原yuan因yin的de分fen析xi,當dang然ran引yin起qi故gu障zhang的de原yuan因yin有you很hen多duo,這zhe隻zhi是shi常chang見jian的de四si種zhong原yuan因yin,如ru果guo自zi己ji沒mei有you伺si服fu電dian機ji維wei修xiu的de經jing驗yan,請qing找zhao常chang州zhou昌chang昇sheng伺si服fu電dian機ji維wei修xiu師shi傅fu幫bang忙mang,可ke以yi有you效xiao的de解jie決jue伺si服fu電dian機ji故gu障zhang。
