Dalilan hayaniyar inji na injin asynchronous mai hawa uku

Babban dalilin amo na inji: Hayaniyar injina da uku-motor asynchronous lokacishine yafi haifar da amo.Karkashin aikin karfin lodi, kowane bangare na abin da ke dauke da shi ya lalace, kuma damuwar da ke haifar da nakasar jujjuyawa ko girgizar sassan watsawa ita ce tushen kararsa.Idan radial ko axial sharewa na bearing ya yi ƙanƙanta, jujjuyawar jujjuyawar za ta ƙaru, kuma za a haifar da ƙarfin fitar da ƙarfe yayin motsi.Idan gibin ya yi girma, ba wai kawai zai haifar da damuwa ba ne kawai ba, amma kuma ya canza tazarar iska tsakanin stator da rotor, don haka ƙara ƙara, hawan zafin jiki da girgiza.Ƙimar ɗaukar nauyi shine 8-15um, wanda ke da wahalar aunawa akan wurin kuma ana iya yin hukunci ta hanyar ji da hannu.

Lokacin zabar bearings, ya kamata ku yi la'akari da: (1) Rage raguwar da aka samu ta hanyar haɗin gwiwa tare da shaft da murfin ƙarshen.(2) Lokacin aiki, bambancin zafin jiki tsakanin zobe na ciki da na waje yana sa rata ta canza.(3) Rata tsakanin shaft da murfin ƙarshen yana canzawa saboda nau'ikan haɓakawa daban-daban.Rayuwar da aka ƙididdige shi shine 60000h, saboda rashin amfani da kulawa mara kyau, ainihin ingantaccen rayuwar sabis shine kawai 20-40% na ƙimar ƙima.

Haɗin kai tsakanin ɗaukar hoto da shaft ɗin yana ɗaukar rami na asali, juriya na diamita na ciki na ɗaukar hoto mara kyau, kuma haɗin gwiwa yana da ƙarfi.Za'a iya lalacewa cikin sauƙi da ɓangarorin mujallu yayin taro ba tare da ingantacciyar dabara da kayan aiki ba.Ya kamata a cire bearings tare da ja na musamman.

Hukuncin amo:

1. Akwai mai yawa da yawa a cikin ɗaukar hoto, za a sami sautin guduma na ruwa a matsakaici da ƙananan gudu, da sautin kumfa mara daidaituwa a babban gudun;wannan shi ne saboda tsananin gogayya na ciki da kuma na waje kwayoyin karkashin agitation na ball, sakamakon a dilution na maiko.Man shafawa mai narkewa mai tsanani ya zubo akan iskar stator, yana hana shi sanyaya kuma yana shafar rufin sa.Yawanci, cika 2/3 na sararin samaniya da maiko.Za a yi sauti lokacin da mai ɗaukar nauyi ya fita daga mai, kuma za a yi sautin ƙararrawa tare da alamun shan taba a cikin babban sauri.

2. Lokacin da ƙazantar da ke cikin maiko aka shigo da shi, za a iya samar da sautin tsakuwa na tsaka-tsaki da na yau da kullun, wanda ke haifar da rashin dacewar matsayi na ƙazanta da ƙwallon ƙafa ke motsawa.A cewar kididdigar, gurɓataccen mai ya kai kusan kashi 30% na abubuwan da ke haifar da lalacewa.

3. Akwai sautin “danna” lokaci-lokaci a cikin abin da ake ɗauka, kuma yana da wahala a juya shi da hannu.Ya kamata a yi zargin cewa akwai wani zaizaye ko tsagewa a kan hanyar tsere.Sautunan “ƙwaƙwalwa” na ɗan lokaci a cikin berayen, jujjuyawar hannu na iya samun matattun matattun wuraren da ba a kayyade ba, yana nuni da karyewar ƙwalla ko ɓarna masu riƙe da ƙwallon.

4. Lokacin da sako-sako na shaft da ɗaukar nauyi ba su da mahimmanci, za a sami raguwa na ƙarfe.Lokacin da zobe na waje ya yi rarrafe a cikin ramin murfin ƙarshen, zai haifar da ƙarar ƙararrawar ƙarar ƙarar ƙarar ƙararrawa da girgizawa (wanda zai iya ɓacewa bayan lodawa radial).