在一(yi)切正常運作(zuo)(zuo)中,電機(ji)超溫的緣故有以(yi)下幾個方面:工作(zuo)(zuo)電壓過高(gao)或(huo)過低、負(fu)載、制冷排風(feng)量不夠、電機(ji)本身常見(jian)故障等(deng)。
自動繞線機因電(dian)源電(dian)壓過(guo)高或過(guo)低緣故造(zao)(zao)(zao)(zao)成的(de)(de)纏線(xian)電(dian)機(ji)(ji)(ji)超溫(wen)的(de)(de)狀況非常少產生,而(er)電(dian)機(ji)(ji)(ji)自身常見(jian)故障緣故造(zao)(zao)(zao)(zao)成的(de)(de)電(dian)機(ji)(ji)(ji)超溫(wen),能夠根據(ju)運行(xing)電(dian)流(liu)量的(de)(de)轉(zhuan)變及電(dian)機(ji)(ji)(ji)保(bao)護(hu)設備來開(kai)展查驗分辨。因制冷排風(feng)(feng)量不夠造(zao)(zao)(zao)(zao)成的(de)(de)電(dian)機(ji)(ji)(ji)超溫(wen)是普(pu)遍(bian)的(de)(de)緣故。纏線(xian)式電(dian)機(ji)(ji)(ji)制冷風(feng)(feng)是由(you)裝在電(dian)機(ji)(ji)(ji)軸上的(de)(de)散(san)熱風(feng)(feng)扇伴隨著(zhu)電(dian)機(ji)(ji)(ji)旋轉(zhuan)而(er)造(zao)(zao)(zao)(zao)成的(de)(de),并根據(ju)電(dian)機(ji)(ji)(ji)外殼頂部的(de)(de)風(feng)(feng)管吹(chui)向電(dian)機(ji)(ji)(ji)繞阻(zu)(zu),進(jin)而(er)做到對(dui)(dui)電(dian)機(ji)(ji)(ji)減溫(wen)的(de)(de)目地。因為粉煤(mei)灰粉生產制造(zao)(zao)(zao)(zao)當場煙塵相對(dui)(dui)性很(hen)大,此去經(jing)年累月的(de)(de)運作,非常容易導致風(feng)(feng)管阻(zu)(zu)塞(sai)。因此應按(an)時對(dui)(dui)卷線(xian)機(ji)(ji)(ji)的(de)(de)通風(feng)(feng)道開(kai)展沖洗(xi)清(qing)理。
集(ji)電(dian)環燒壞(huai)和電(dian)刷跳火苗
繞線(xian)(xian)機(ji)與鼠籠型電(dian)(dian)(dian)(dian)(dian)動機(ji)的(de)(de)關鍵區別(bie),在於繞線(xian)(xian)機(ji)轉子(zi)繞組三根(gen)端線(xian)(xian)連(lian)收到裝在轉軸(zhou)上的(de)(de)三個(ge)銅質(zhi)(zhi)或是鋼質(zhi)(zhi)滑環(huan)上,通(tong)過(guo)電(dian)(dian)(dian)(dian)(dian)刷(shua)與外電(dian)(dian)(dian)(dian)(dian)路相連(lian)接。繞線(xian)(xian)機(ji)的(de)(de)這種獨特(te)結(jie)構就(jiu)導致(zhi)了非常(chang)容易(yi)發生(sheng)集(ji)電(dian)(dian)(dian)(dian)(dian)環(huan)燒壞和電(dian)(dian)(dian)(dian)(dian)刷(shua)跳(tiao)火苗等狀況。一般而言,產生(sheng)這種狀況的(de)(de)緣(yuan)故是:電(dian)(dian)(dian)(dian)(dian)刷(shua)與集(ji)電(dian)(dian)(dian)(dian)(dian)環(huan)磨合期不太好(hao)、電(dian)(dian)(dian)(dian)(dian)刷(shua)不可以全(quan)方位接觸集(ji)電(dian)(dian)(dian)(dian)(dian)環(huan)表層(ceng)、電(dian)(dian)(dian)(dian)(dian)刷(shua)與刷(shua)盒相互(hu)配合不太好(hao)(過(guo)松或過(guo)緊)、電(dian)(dian)(dian)(dian)(dian)刷(shua)壓(ya)力(li)不符合適、電(dian)(dian)(dian)(dian)(dian)刷(shua)數量不科學(xue)、集(ji)電(dian)(dian)(dian)(dian)(dian)環(huan)橢(tuo)圓(yuan)等。
全自動繞線機如果有電(dian)(dian)(dian)刷(shua)(shua)(shua)與(yu)集(ji)電(dian)(dian)(dian)環(huan)表層的(de)(de)(de)(de)接觸(chu)(chu)總面(mian)積達不上(shang)70%之(zhi)上(shang)時(shi),接觸(chu)(chu)面(mian)較好(hao)的(de)(de)(de)(de)電(dian)(dian)(dian)刷(shua)(shua)(shua)流過電(dian)(dian)(dian)總流量(liang)較大,發熱量(liang)較多,非(fei)(fei)常容(rong)易出現電(dian)(dian)(dian)刷(shua)(shua)(shua)刷(shua)(shua)(shua)辮燒毀的(de)(de)(de)(de)狀況(kuang),從而(er)進一(yi)步加劇別的(de)(de)(de)(de)電(dian)(dian)(dian)刷(shua)(shua)(shua)的(de)(de)(de)(de)負(fu)荷,嚴重時(shi)會燒毀整相電(dian)(dian)(dian)刷(shua)(shua)(shua)及損(sun)壞滑環(huan)。因此(ci) 在(zai)繞線機日常維護時(shi),應特別註意電(dian)(dian)(dian)刷(shua)(shua)(shua)與(yu)集(ji)電(dian)(dian)(dian)環(huan)接觸(chu)(chu)總面(mian)積是不是完好(hao)無損(sun)。當應用(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)(dian)刷(shua)(shua)(shua)生產(chan)(chan)批(pi)號不一(yi)樣,很有可能會由於電(dian)(dian)(dian)刷(shua)(shua)(shua)成分配(pei)制的(de)(de)(de)(de)差異,也(ye)非(fei)(fei)常容(rong)易導致電(dian)(dian)(dian)刷(shua)(shua)(shua)及集(ji)電(dian)(dian)(dian)環(huan)損(sun)壞,因此(ci) 在(zai)更(geng)換電(dian)(dian)(dian)刷(shua)(shua)(shua)時(shi)應盡(jin)量(liang)應用(yong)(yong)同一(yi)生產(chan)(chan)批(pi)號。
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