電動(dong)機(ji)的具體火災(zai)原(yuan)因(yin)有(you)以下幾個方面：1、過(guo)載會(hui)造(zao)成繞組(zu)(zu)電流增加，繞組(zu)(zu)和鐵心(xin)溫度上升，嚴重(zhong)時會(hui)引(yin)發(fa)(fa)(fa)火災(zai)。2、斷(duan)相(xiang)運行電動(dong)機(ji)雖然還(huan)能運轉(zhuan)，但繞組(zu)(zu)電流會(hui)增大(da)以致(zhi)燒(shao)毀電動(dong)機(ji)而引(yin)發(fa)(fa)(fa)火災(zai)。3、接(jie)觸不良會(hui)造(zao)成接(jie)觸電阻(zu)過(guo)大(da)而發(fa)(fa)(fa)熱(re)或(huo)者(zhe)產生電弧，嚴重(zhong)時可(ke)引(yin)燃(ran)電動(dong)機(ji)內可(ke)燃(ran)物(wu)進(jin)而引(yin)發(fa)(fa)(fa)火災(zai)。4、絕(jue)緣損(sun)壞形(xing)成相(xiang)間和匝(za)間短路(lu)(lu)，因(yin)而引(yin)發(fa)(fa)(fa)火災(zai)。5、機(ji)械(xie)摩(mo)擦軸承損(sun)壞時可(ke)造(zao)成定子、轉(zhuan)子摩(mo)擦或(huo)電動(dong)機(ji)軸被卡(ka)，產生高溫或(huo)繞組(zu)(zu)短路(lu)(lu)而引(yin)發(fa)(fa)(fa)火災(zai)。6、選型(xing)不當7、鐵心(xin)消耗過(guo)大(da)會(hui)使(shi)渦流損(sun)耗過(guo)大(da)造(zao)成鐵心(xin)發(fa)(fa)(fa)熱(re)和繞組(zu)(zu)過(guo)載，嚴重(zhong)時引(yin)發(fa)(fa)(fa)火災(zai)。8、接(jie)地不良當電動(dong)機(ji)繞組(zu)(zu)對發(fa)(fa)(fa)生短路(lu)(lu)時，如(ru)果接(jie)地不良，會(hui)導致(zhi)電動(dong)機(ji)外殼帶電，一方面可(ke)引(yin)起人(ren)身觸電事故，另一方面致(zhi)使(shi)機(ji)殼發(fa)(fa)(fa)熱(re)，嚴重(zhong)時引(yin)燃(ran)周圍可(ke)燃(ran)物(wu)而引(yin)發(fa)(fa)(fa)火災(zai)。雙(shuang)(shuang)速電動(dong)機(ji)可(ke)廣泛(fan)應用于各種機(ji)械(xie)設(she)備，如(ru)風(feng)機(ji)、水泵、壓縮機(ji)等。三(san)門雙(shuang)(shuang)速電動(dong)機(ji)應用

1.主(zhu)傳(chuan)動(dong)電(dian)機(ji)運轉不(bu)正常滑差電(dian)機(ji)在運轉進程中會(hui)猛烈振動(dong)，惹起(qi)軸(zhou)(zhou)承(cheng)(cheng)發(fa)燒(shao)。此時需求(qiu)改(gai)(gai)換(huan)已損壞的(de)軸(zhou)(zhou)承(cheng)(cheng)，并加(jia)注好光(guang)滑油脂。正常狀(zhuang)(zhuang)況下，應對這(zhe)局部機(ji)構的(de)一(yi)切部件進行(xing)一(yi)次清洗、加(jia)油，以包(bao)管主(zhu)傳(chuan)動(dong)電(dian)機(ji)的(de)正常運轉。2.主(zhu)機(ji)轉速(su)周期性(xing)下降呈現這(zhe)種狀(zhuang)(zhuang)況，**都是因機(ji)械局部發(fa)作了毛病所惹起(qi)，嚴峻時，主(zhu)靈活(huo)彈會(hui)愈(yu)加(jia)波(bo)折，該當(dang)即改(gai)(gai)換(huan)軸(zhou)(zhou)承(cheng)(cheng)才行(xing)。別(bie)的(de)，應該留(liu)意(yi)主(zhu)機(ji)各滾筒(包(bao)羅印(yin)版，橡皮、壓印(yin)滾筒)的(de)軸(zhou)(zhou)承(cheng)(cheng)及其光(guang)滑部位(wei)的(de)任務狀(zhuang)(zhuang)況能否正常，假如發(fa)作毛病相同會(hui)影響(xiang)印(yin)刷速(su)度。質量雙(shuang)速(su)電(dian)動(dong)機(ji)廠家雙(shuang)速(su)電(dian)動(dong)機(ji)可根據不(bu)同的(de)負載需求(qiu)，自動(dong)調整轉速(su)，提高設備的(de)運行(xing)效率。

雙速(su)(su)(su)(su)電(dian)動(dong)機(ji)變(bian)速(su)(su)(su)(su)：帶手動(dong)自(zi)動(dong)轉(zhuan)換開(kai)關的(de)(de)具有電(dian)氣與機(ji)械互鎖的(de)(de)zhi可逆y-δ啟動(dong)電(dian)路。只(zhi)是一(yi)般低速(su)(su)(su)(su)y形接(jie)(jie)法(fa)啟動(dong)后運(yun)行3-6s后（時間可調），自(zi)動(dong)進入(ru)δ形接(jie)(jie)法(fa)的(de)(de)高(gao)速(su)(su)(su)(su)運(yun)行，用自(zi)動(dong)空開(kai)與熱保來保護短路、過流(liu)。變(bian)極(ji)(ji)調速(su)(su)(su)(su)在電(dian)源頻(pin)率f1不(bu)變(bian)的(de)(de)條件下，改(gai)變(bian)電(dian)動(dong)機(ji)的(de)(de)極(ji)(ji)對數p，電(dian)動(dong)機(ji)的(de)(de)同步轉(zhuan)速(su)(su)(su)(su)n1，就會變(bian)化，極(ji)(ji)對數增加一(yi)倍，同步轉(zhuan)速(su)(su)(su)(su)就降低一(yi)半，電(dian)動(dong)機(ji)的(de)(de)轉(zhuan)速(su)(su)(su)(su)也(ye)幾乎(hu)下降一(yi)半，從而實現(xian)轉(zhuan)速(su)(su)(su)(su)的(de)(de)調節。要改(gai)變(bian)電(dian)動(dong)機(ji)的(de)(de)極(ji)(ji)數，當(dang)然(ran)可以在定(ding)子(zi)鐵心槽內嵌放兩套(tao)不(bu)同極(ji)(ji)數的(de)(de)三(san)相繞(rao)組，從制造的(de)(de)角(jiao)度看，這種方(fang)法(fa)很不(bu)經濟。通常(chang)是利用改(gai)變(bian)定(ding)子(zi)繞(rao)組接(jie)(jie)法(fa)來改(gai)變(bian)極(ji)(ji)數，這種電(dian)機(ji)稱為多速(su)(su)(su)(su)電(dian)機(ji)。

電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)不是(shi)(shi)(shi)一個概念。電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)包括電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)。是(shi)(shi)(shi)發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)總稱(cheng)，兩者(zhe)概念上是(shi)(shi)(shi)有區別的(de)。電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)只(zhi)是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)運行(xing)(xing)方式(shi)(shi)(shi)(shi)的(de)一種，只(zhi)是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)運行(xing)(xing)在(zai)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)模(mo)式(shi)(shi)(shi)(shi)下(xia)，就是(shi)(shi)(shi)將(jiang)電(dian)(dian)(dian)(dian)能(neng)轉(zhuan)換成其它形式(shi)(shi)(shi)(shi)的(de)能(neng)量;電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)另外一種運行(xing)(xing)方式(shi)(shi)(shi)(shi)就是(shi)(shi)(shi)發(fa)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)，這時候運行(xing)(xing)在(zai)發(fa)電(dian)(dian)(dian)(dian)的(de)模(mo)式(shi)(shi)(shi)(shi)下(xia)，將(jiang)其它形式(shi)(shi)(shi)(shi)的(de)能(neng)量轉(zhuan)換為(wei)(wei)電(dian)(dian)(dian)(dian)能(neng)。歷史上，法拉(la)第個發(fa)明了電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)，而格(ge)拉(la)姆發(fa)明大功(gong)率電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)，電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)從此開始大規模(mo)用于工業生(sheng)產。我(wo)國(guo)的(de)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)生(sheng)產開始于1917年，該(gai)(gai)行(xing)(xing)業在(zai)國(guo)內已經形成比(bi)較完整(zheng)的(de)產業體系。電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)用途非常，分類也有很多。對于電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)，需要了解以下(xia)幾(ji)方面:內部(bu)結(jie)(jie)構和(he)(he)(he)(he)工作原理;啟動(dong)(dong)(dong)(dong)(dong)方式(shi)(shi)(shi)(shi);調速方法;等等。對于電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)分類:1．按工作電(dian)(dian)(dian)(dian)源:直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)交(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。其中交(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)又分為(wei)(wei)單相(xiang)(xiang)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)三(san)相(xiang)(xiang)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。2，按結(jie)(jie)構及工作原理:異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)同步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。同步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)又分為(wei)(wei)永(yong)磁同步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)、磁阻同步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)磁滯同布電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)又分為(wei)(wei)感應(ying)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)交(jiao)流(liu)(liu)(liu)換向器電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。感應(ying)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)又分為(wei)(wei)三(san)相(xiang)(xiang)異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)等。3．按起(qi)(qi)動(dong)(dong)(dong)(dong)(dong)與運行(xing)(xing)方式(shi)(shi)(shi)(shi):電(dian)(dian)(dian)(dian)容起(qi)(qi)動(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)(shi)單相(xiang)(xiang)異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)、電(dian)(dian)(dian)(dian)容運轉(zhuan)式(shi)(shi)(shi)(shi)單相(xiang)(xiang)異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)、電(dian)(dian)(dian)(dian)容起(qi)(qi)動(dong)(dong)(dong)(dong)(dong)運轉(zhuan)式(shi)(shi)(shi)(shi)單相(xiang)(xiang)異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)(he)分相(xiang)(xiang)式(shi)(shi)(shi)(shi)單相(xiang)(xiang)異(yi)(yi)(yi)步(bu)(bu)(bu)(bu)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)。該(gai)(gai)行(xing)(xing)業在(zai)國(guo)內已經形成比(bi)較完整(zheng)的(de)產業體系。我(wo)國(guo)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)制造(zao)行(xing)(xing)業隨著(zhu)電(dian)(dian)(dian)(dian)力發(fa)展呈現出勃勃生(sheng)機(ji)(ji)(ji)(ji)(ji)(ji)。

同步電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)不(bu)但(dan)功(gong)率(lv)(lv)因數高(gao)(gao)，而且其轉速(su)與(yu)負載大小無關，只決(jue)定(ding)(ding)于電(dian)(dian)(dian)(dian)(dian)網頻率(lv)(lv)。工作較穩(wen)定(ding)(ding)。在要(yao)求寬范圍調速(su)的(de)場合多(duo)用(yong)直流電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)。但(dan)它有(you)換向器，結(jie)構復雜，價格(ge)昂貴，維(wei)護困難(nan)，不(bu)適于惡劣環境。20世紀70年(nian)代以(yi)(yi)后，隨(sui)著電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)子(zi)技術(shu)的(de)發(fa)展(zhan)，交流電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)的(de)調速(su)技術(shu)漸趨成(cheng)熟，設(she)(she)備價格(ge)日益降低，已開(kai)始(shi)得到(dao)應(ying)用(yong)。電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)在規定(ding)(ding)工作制(zhi)(zhi)(zhi)式（連續(xu)式、短時運(yun)(yun)(yun)行(xing)制(zhi)(zhi)(zhi)、斷(duan)續(xu)周期運(yun)(yun)(yun)行(xing)制(zhi)(zhi)(zhi)）下(xia)所(suo)(suo)能(neng)(neng)承擔而不(bu)至引起電(dian)(dian)(dian)(dian)(dian)機(ji)過(guo)熱(re)的(de)比較大輸出機(ji)械功(gong)率(lv)(lv)稱(cheng)為它的(de)額定(ding)(ding)功(gong)率(lv)(lv)，使用(yong)時需注(zhu)意銘(ming)牌上的(de)規定(ding)(ding)。電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)運(yun)(yun)(yun)行(xing)時需注(zhu)意使其負載的(de)特(te)性(xing)與(yu)電(dian)(dian)(dian)(dian)(dian)機(ji)的(de)特(te)性(xing)相匹配(pei)，避免出現飛車或(huo)停轉。電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)能(neng)(neng)提供的(de)功(gong)率(lv)(lv)范圍很大，從毫(hao)瓦級到(dao)萬千瓦級。電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)的(de)使用(yong)和控制(zhi)(zhi)(zhi)非常方便，具有(you)自起動(dong)(dong)(dong)(dong)、加速(su)、制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)、反轉、掣住等能(neng)(neng)力，能(neng)(neng)滿足各(ge)種運(yun)(yun)(yun)行(xing)要(yao)求；電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)的(de)工作效(xiao)率(lv)(lv)較高(gao)(gao)，又(you)沒有(you)煙塵、氣味，不(bu)污染環境，噪聲也較小。由于它的(de)一系列優點(dian)，所(suo)(suo)以(yi)(yi)在工農業生產、交通(tong)運(yun)(yun)(yun)輸、國防、商業及(ji)家用(yong)電(dian)(dian)(dian)(dian)(dian)器、醫療(liao)電(dian)(dian)(dian)(dian)(dian)器設(she)(she)備等各(ge)方面廣泛(fan)應(ying)用(yong)。一般電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)調速(su)時其輸出功(gong)率(lv)(lv)會隨(sui)轉速(su)而變化。產銷規模和經濟(ji)效(xiao)益都有(you)了大幅度(du)提高(gao)(gao)。特(te)制(zhi)(zhi)(zhi)雙(shuang)速(su)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)哪個好

雙(shuang)速電動(dong)機采用質量(liang)高(gao)的材料制(zhi)造，具有高(gao)可靠(kao)性和長壽命。三門雙(shuang)速電動(dong)機應用

電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)振動(dong)(dong)(dong)(dong)大的(de)原因—、振動(dong)(dong)(dong)(dong)原因1.電(dian)(dian)(dian)(dian)(dian)磁方面電(dian)(dian)(dian)(dian)(dian)源方面:三相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)壓(不(bu)(bu)(bu)(bu)平衡(heng)(heng)(heng)，三相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)缺相(xiang)(xiang)運(yun)行(xing))定子方面:鐵芯(xin)變橢圓、偏心、松(song)動(dong)(dong)(dong)(dong)，繞組斷線、接(jie)地(di)(di)擊穿、匝(za)間短(duan)(duan)路，接(jie)線錯誤三相(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)流不(bu)(bu)(bu)(bu)平衡(heng)(heng)(heng)。·轉(zhuan)子故障(zhang):鐵芯(xin)變橢圓、偏心、松(song)動(dong)(dong)(dong)(dong)，轉(zhuan)子短(duan)(duan)路環和(he)籠條(tiao)開焊(han)、斷裂。繞線式轉(zhuan)子三相(xiang)(xiang)繞級不(bu)(bu)(bu)(bu)平衡(heng)(heng)(heng)，繞組斷線、接(jie)地(di)(di)擊穿、匝(za)間擊穿、接(jie)線錯誤、電(dian)(dian)(dian)(dian)(dian)刷接(jie)觸不(bu)(bu)(bu)(bu)良2.機(ji)(ji)械(xie)方面·電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)本身方面:轉(zhuan)子不(bu)(bu)(bu)(bu)平衡(heng)(heng)(heng)、轉(zhuan)軸(zhou)(zhou)彎曲、滑(hua)環變形，定轉(zhuan)子氣(qi)隙(xi)不(bu)(bu)(bu)(bu)均、磁力中(zhong)心不(bu)(bu)(bu)(bu)一致。軸(zhou)(zhou)承故障(zhang):基礎安(an)裝(zhuang)不(bu)(bu)(bu)(bu)良。機(ji)(ji)械(xie)強度不(bu)(bu)(bu)(bu)夠。共振、地(di)(di)腳螺絲松(song)動(dong)(dong)(dong)(dong)、電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)風扇(shan)損壞(huai)(huai)。軸(zhou)(zhou)承運(yun)行(xing)接(jie)近使用壽命時，電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)振動(dong)(dong)(dong)(dong)逐漸增大，軸(zhou)(zhou)承運(yun)行(xing)有雜音，可能發生研(yan)軸(zhou)(zhou)研(yan)蓋和(he)出現(xian)掃堂的(de)現(xian)象。聯軸(zhou)(zhou)器配合方面:聯軸(zhou)(zhou)器損壞(huai)(huai)、連接(jie)不(bu)(bu)(bu)(bu)良、找中(zhong)心不(bu)(bu)(bu)(bu)準負載機(ji)(ji)械(xie)不(bu)(bu)(bu)(bu)平衡(heng)(heng)(heng)系統共振。3.機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)混合原因電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)振動(dong)(dong)(dong)(dong)往往是氣(qi)隙(xi)不(bu)(bu)(bu)(bu)均，引起單邊電(dian)(dian)(dian)(dian)(dian)磁拉(la)力，拉(la)力又使氣(qi)隙(xi)進(jin)一步增大，機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)混合作用表現(xian)為機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)振動(dong)(dong)(dong)(dong)。電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)軸(zhou)(zhou)向串動(dong)(dong)(dong)(dong)，轉(zhuan)子本身重力或安(an)裝(zhuang)水平以(yi)及磁力中(zhong)心不(bu)(bu)(bu)(bu)對引起的(de)電(dian)(dian)(dian)(dian)(dian)磁拉(la)力造(zao)成電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)軸(zhou)(zhou)向串動(dong)(dong)(dong)(dong)，引起電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)振動(dong)(dong)(dong)(dong)加大，嚴重情況軸(zhou)(zhou)瓦磨損，使軸(zhou)(zhou)瓦溫度迅速升高振動(dong)(dong)(dong)(dong)原因查(cha)找。三門雙速電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)應用

南(nan)京沃瑪(ma)(ma)(ma)電(dian)(dian)(dian)機(ji)(ji)(ji)有限公(gong)司(si)(si)是一(yi)家集(ji)研發、生(sheng)(sheng)產(chan)(chan)、咨詢、規(gui)劃(hua)、銷售、服(fu)務(wu)于一(yi)體的(de)(de)生(sheng)(sheng)產(chan)(chan)型企業(ye)。公(gong)司(si)(si)成(cheng)立于2011-06-09，多(duo)年來在鋁殼(ke)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，剎車電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，變(bian)頻電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，三(san)相異(yi)步(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)行業(ye)形成(cheng)了(le)成(cheng)熟、可(ke)(ke)靠(kao)的(de)(de)研發、生(sheng)(sheng)產(chan)(chan)體系。公(gong)司(si)(si)主要經(jing)營(ying)鋁殼(ke)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，剎車電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，變(bian)頻電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，三(san)相異(yi)步(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)等產(chan)(chan)品(pin)(pin)，產(chan)(chan)品(pin)(pin)質(zhi)量可(ke)(ke)靠(kao)，均通過(guo)電(dian)(dian)(dian)工電(dian)(dian)(dian)氣行業(ye)檢測，嚴(yan)格按照(zhao)行業(ye)標(biao)準(zhun)執行。目前(qian)產(chan)(chan)品(pin)(pin)已(yi)經(jing)應用(yong)與(yu)全國30多(duo)個省、市、自治區。南(nan)京沃瑪(ma)(ma)(ma)為(wei)(wei)用(yong)戶(hu)(hu)提供(gong)真誠、貼心(xin)的(de)(de)售前(qian)、售后服(fu)務(wu)，產(chan)(chan)品(pin)(pin)價格實(shi)惠。公(gong)司(si)(si)秉承(cheng)為(wei)(wei)社會做(zuo)貢獻、為(wei)(wei)用(yong)戶(hu)(hu)做(zuo)服(fu)務(wu)的(de)(de)經(jing)營(ying)理念，致力向社會和用(yong)戶(hu)(hu)提供(gong)滿意的(de)(de)產(chan)(chan)品(pin)(pin)和服(fu)務(wu)。南(nan)京沃瑪(ma)(ma)(ma)電(dian)(dian)(dian)機(ji)(ji)(ji)有限公(gong)司(si)(si)注重以(yi)人為(wei)(wei)本、團隊合(he)作(zuo)的(de)(de)企業(ye)文化(hua)，通過(guo)保證鋁殼(ke)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，剎車電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，變(bian)頻電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)，三(san)相異(yi)步(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)產(chan)(chan)品(pin)(pin)質(zhi)量合(he)格，以(yi)誠信經(jing)營(ying)、用(yong)戶(hu)(hu)至上、價格合(he)理來服(fu)務(wu)客(ke)戶(hu)(hu)。建立一(yi)切以(yi)客(ke)戶(hu)(hu)需求(qiu)為(wei)(wei)前(qian)提的(de)(de)工作(zuo)目標(biao)，真誠歡(huan)迎新(xin)老客(ke)戶(hu)(hu)前(qian)來洽談業(ye)務(wu)。

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