Zaɓin nau'in nau'in nau'in nau'in nau'in nau'in juzu'in abin da aka saba amfani da shi don masu motsi sune ƙwallan tsagi mai zurfin tsagi, ɗigon abin nadi na silinda, abin nadi mai siffar zobe, da ƙwallon ƙwallon ƙafa na kusurwa.Gilashin da ke gefen biyu na ƙananan motoci suna amfani da ƙwallon ƙwallon ƙafa mai zurfi, masu matsakaicin matsakaici suna amfani da abin nadi a ƙarshen nauyin kaya (yawanci ana amfani da su don yanayin babban nauyin kaya), da ball bearings a ƙarshen maras nauyi (amma akwai kuma lokuta daban-daban). , kamar 1050kW Motors).Kananan injina kuma suna amfani da ƙwallo masu lamba a kusurwa.Ana amfani da nadi mai siffar zobe a cikin manyan injuna ko injuna na tsaye.Motociba buƙatar sauti mara kyau, ƙaramar jijjiga, ƙaramar amo, da ƙarancin zafin jiki.Dangane da ka'idodin zaɓin da ke cikin teburin da ke ƙasa, yawanci ana la'akari da waɗannan abubuwan don bincika hanyar zaɓin aikin.Wurin shigarwa na mai ɗaukar nauyi zai iya ɗaukar nauyin haɓakawa a cikin wurin shigarwa na ɗaukar hoto.Domin an jaddada tsattsauran ra'ayi da ƙarfin shaft yayin zayyana tsarin shaft, ana ƙaddamar da diamita na shaft gabaɗaya.Koyaya, akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan birgima, daga abin da yakamata a zaɓi mafi girman girman da ya dace.
Load Girman, shugabanci da yanayin nauyin ɗaukar nauyi [ƙarfin nauyin ɗaukar nauyi yana bayyana ta ainihin ƙimar da aka ƙididdige shi, kuma ana nuna ƙimarsa a cikin tebur mai girman ɗamara] Matsayin ɗaukar nauyi yana cike da canje-canje, kamar girman girman. da lodi, ko akwai kawai radial load, da kuma ko axial load ne guda shugabanci ko biyu, mataki na vibration ko girgiza, da sauransu.Bayan yin la'akari da waɗannan abubuwan, zaɓi nau'in tsarin ɗaukar hoto mafi dacewa.Gabaɗaya magana, nauyin radial na bearings NSK tare da diamita iri ɗaya na ciki ya bambanta bisa ga jerin, kuma ana iya duba nauyin da aka ƙididdige bisa ga samfurin.Nau'in da ke tattare da saurin sa na iya dacewa da saurin inji [iyakance darajar da aka nuna a cikin tebur mai girman kai ba kawai ya dogara da nau'in da ke faruwa ba , amma kuma yana iyakance ga girman girman girman, nau'in keji, da daidaiton matakin , yanayin kaya da hanyoyin lubrication, da dai sauransu, sabili da haka, dole ne a yi la'akari da waɗannan abubuwan lokacin zabar.Bearings na wannan tsari tare da diamita na ciki na 50 ~ 100mm suna da iyakar iyakar iyaka;daidaiton jujjuyawar yana da daidaiton jujjuya da ake buƙata na nau'in ɗaukar hoto [daidaitaccen girman da daidaiton jujjuyawar juyi an daidaita shi ta GB bisa ga nau'in ɗaukar hoto].
Ana ƙididdige daidaiton ɗaukar hoto gwargwadon ƙimar saurin zuwa iyakar iyaka.Mafi girman madaidaicin, mafi girman saurin iyaka da ƙananan ƙirar zafi.Idan ya zarce kashi 70% na iyakar saurin juzu'in, dole ne a inganta madaidaicin ma'auni.Ƙarƙashin ƙaƙƙarfan radial na asali iri ɗaya, ƙarami na samar da zafi, ƙayyadaddun dangi na zobe na ciki da zobe na waje.Binciken abubuwan da ke haifar da karkatar da zobe na ciki da zoben waje na abin ɗamarar (kamar karkatar da igiyar da aka yi ta hanyar kaya, rashin daidaito na shaft da mahalli) Ko kuskuren shigarwa), kuma zaɓi nau'in ɗaukar hoto. wanda zai iya dacewa da wannan yanayin sabis.Idan kusancin dangi tsakanin zobe na ciki da zoben waje ya yi girma da yawa, za a lalata abin ɗauka saboda nauyin ciki.Don haka, ya kamata a zaɓi abin nadi mai daidaita kai wanda zai iya jure wa wannan sha'awar.Idan maƙasudin ƙarami ne, ana iya zaɓar wasu nau'ikan bearings.Hanyar zaɓin abu na nazari Ƙaƙwalwar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun radial da axial, kuma gefe ɗaya shine kafaffen gefen gefe, wanda ke ɗaukar nauyin radial da axial., wanda ke taka rawa a cikin motsi na axial dangi tsakanin madaidaicin madaidaicin da kuma gidaje masu ɗaure.Ɗayan gefen shine gefen kyauta, wanda kawai yana ɗaukar nauyin radial kuma yana iya motsawa a cikin hanyar axial, don magance matsalar fadadawa da raguwa na shaft wanda ya haifar da canje-canjen zafin jiki da kuskuren tazara na bearings da aka shigar.A kan guntun raƙuman ruwa, gefen kafaffen ba shi da bambanci daga gefen kyauta.
An zaɓi ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙira don ɗaukar nauyin axial bidirectional.A lokacin shigarwa, ana buƙatar la'akari da ƙarfin da ya dace daidai da girman nauyin axial.Gabaɗaya, ana zaɓar ball bech a matsayin ƙayyadadden ƙarewa da ashe-kashe-kare-kare don gujewa.Fadadawa da ƙanƙancewar igiyar da ke haifar da canjin zafin jiki yayin aiki, kuma matsayin axial da aka yi amfani da shi don daidaita ɗaukar nauyi yakamata ya ɗauki nauyin radial kawai, kuma zobe na waje da harsashi gabaɗaya sun ɗauki matakin sharewa, ta yadda shaft ɗin zai iya zama axially. kaucewa tare da ɗaukar nauyi lokacin da ramin ya faɗaɗa., Wani lokaci ana guje wa axial ta hanyar yin amfani da madaidaicin madaidaicin shaft da zobe na ciki.Gabaɗaya, ana zaɓin abin nadi na silinda a matsayin ƙarshen kyauta ba tare da la'akari da ƙayyadadden ƙarshen da ƙarshen kyauta ba.Lokacin da aka zaɓa mai ɗaukar hoto, lokacin da nisa tsakanin bearings yana da ƙananan kuma tasirin fadada shaft yana ƙarami, yi amfani da kwayoyi ko washers don daidaitawa axial sharewa bayan shigarwa.Gabaɗaya, ana zaɓi biyu.Za'a iya amfani da ball begens ko kuma ana iya amfani da su biyu na roller biyu a matsayin tallafin na ƙarshen ƙarshen da ƙarewa ko lokacin da babu ƙarshen ƙarshen da ƙarewa.Ƙaddamarwa da ƙaddamar da mita da kuma hanyar haɓakawa da haɓakawa, irin su dubawa na yau da kullum, kayan aiki da kayan aiki da ake buƙata don haɓakawa da haɓakawa.Gudu da kaya abubuwa ne masu muhimmanci guda biyu.Dangane da kwatancen da ke tsakanin saurin gudu da jujjuyawar iyaka, da kwatanta tsakanin nauyin da aka karɓa da nauyin da aka ƙididdigewa, wato, rayuwar gajiyawar da aka ƙididdige, an ƙayyade tsarin tsarin ɗaukar hoto.Wadannan abubuwa guda biyu an bayyana su a kasa.
Lokacin aikawa: Mayu-16-2023