Lokacin da abin hawa ya juya a ƙarƙashin kaya, saboda filin tseren zobe da kuma jujjuyawar abubuwan da ke jujjuyawa koyaushe suna fuskantar sauye-sauyen lodi, ko da yanayin amfani da al'ada, lalacewa-kamar kifin (wanda ake kira lalacewar sikelin kifi) zai faru akan. filin tseren tsere da kuma mirgina saman saboda gajiyar kayan aiki.yin kwasfa ko bawo).Adadin juyi da aka yi kafin irin wannan lalacewar gajiya mai juyi ta faru ana kiranta “(gajiya)” Rayuwar ɗabi'a.Ko da maƙallan sun kasance iri ɗaya a cikin tsari, girman, kayan aiki, hanyar sarrafawa, da dai sauransu, har yanzu za a sami bambance-bambance masu yawa a cikin rayuwar (gajiya) na nau'in nau'i yayin juyawa a ƙarƙashin yanayi guda.Wannan shi ne saboda gajiyar kayan kanta kanta tana da hankali kuma ya kamata a yi la'akari da shi ta fuskar kididdiga.Saboda haka, lokacin da ake buƙatar ƙarin abubuwan gani iri ɗaya a cikin yanayin iri ɗaya, adadin abubuwan juyawa ba su sha wahala ba daga lalacewar fatige "(wato, rayuwar da abin dogaro ya kai 90%)).Lokacin juyawa a ƙayyadaddun gudu, jimlar lokacin juyawa kuma za'a iya bayyana shi.Koyaya, a cikin ainihin aiki, abubuwan lalacewa banda lalacewar gajiya na iya faruwa.Ana iya guje wa waɗannan lalacewa ta hanyar zaɓi mai kyau, shigarwa da mai mai.Mahimman ƙima mai ƙarfi na asali Mahimmin ƙimar nauyi mai ƙarfi yana nuna ƙarfin ɗaukar nauyi don jure gajiya mai juyi (watau ƙarfin lodi).Yana nufin nauyin radial mai tsafta na wani girma da alkibla (don radial bearings).Zobe na ciki yana jujjuya kuma an gyara zobe na waje (ko zobe na ciki A ƙarƙashin yanayin ƙayyadaddun juyawa na waje), ainihin rayuwa mai ƙima a ƙarƙashin wannan nauyin zai iya kaiwa juyi miliyan 1.Asalin ma'aunin nauyi mai ƙarfi na radial bearing ana kiransa ma'aunin nauyi mai ƙarfi na radial, wanda Cr ya bayyana, kuma ana shigar da ƙimar sa a cikin girman girman tebur (wanda aka bayyana ta C a cikin dabara mai zuwa).

Asalin tsarin ƙima na rayuwa (2) yana wakiltar ainihin ƙididdigan tsarin ƙididdigewa na rayuwa;dabarar (3) tana wakiltar tsarin rayuwa da aka bayyana a lokacin lokacin da aka daidaita saurin ɗauka.(Jimlar adadin juyin) L10 = ( C ) PP…………(2) (lokaci) L10k =…………(3) 10660n ( ) CPP: ainihin rated rayuwa, 106 juyin: asali rated rayuwa, h: Daidaitacce nauyi nauyi, N{kgf}: Basic dynamic load rating, N{kgf}: Juyawa gudun, rpm: Life index L10pnCPL10k ball bearing…………P=3 abin nadi…………P=310 don haka, kamar yadda yanayin amfani da ɗaukar nauyi, ɗaukar nauyin nauyi mai ƙarfi shine P kuma saurin juyawa shine n, sannan ainihin ƙimar ƙarfin kuzarin C na ɗaukar nauyi da ake buƙata don saduwa da rayuwar ƙira ana iya ƙididdige shi ta Equation (4). ).Zaɓi madaidaicin da ya dace da ƙimar C daga tebur mai ɗaukar nauyi don ƙayyade girman girman C=P(L10k Tsarin lissafin shine kamar haka: L10k=500fhf…………………(5) Ƙimar rayuwa: fh=fn…………(6C P Speed ​​​​Coefficient: = (0.03n) p…………………(7) -1fn = () 500x60n106Yin amfani da ginshiƙi na lissafin [hoton tunani], fh, fn da L10h ana iya samun sauƙin samu.Lokacin zabar bearings, an inganta rayuwar gajiya da gangan.Yana da rashin tattalin arziki don zaɓar manyan bearings da ƙarfin shaft, Ƙarfafawa, girman shigarwa, da dai sauransu ba dole ba ne a kan rayuwar gajiya kadai.Bearings da aka yi amfani da su a cikin injuna daban-daban suna da rayuwar ƙirƙira ma'auni, wato, ƙayyadaddun yanayin gajiya mai ƙarfi, dangane da yanayin amfani.Da fatan za a koma ga teburin da ke ƙasa.

n 1.5 10 0.9 0.8 0.7 0.6 0.5 0.4 0.35 0.3 0.25 02019018017 016 015

n 10 20 30 40 50 70 100 200 300 500 1000 2000 3000 5000 10000

0.6 0.7 0.8 0.9 10 1.5 2.0 2.5 3.0 3.5 4.0 5.0 6.0

100 200 300 400 500 700 1000 2000 3000 5000 10000 20000 30000 50000 100000h10h1.4 1.3 1.2 1.0 1.0 5.0 0.45 0.4 0.35 0.3 0.25 0.20.190.1810 20 40 50 70 100 200 300 500 1000 2000 3000 5000 10000nn0 .62 0.7 0.6 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.71.81.92.0 2.5 3.0 3.5 4.0 4.5 4.9100 200 300 000 0 0 0 1 0000 20000 30000 50000 100000h 10h

[Ballo Bearing] Gudun Rayuwa Gudun Rayuwa [Roller Bearing] Tabbataccen Teburin Ƙarfafa Gajiyar Rayuwa Matsala fh da Teburin Injin Amfani Wani ɗan gajeren lokaci Ana yawan amfani da shi, amma ana buƙatar tabbatar da cewa aikin bai ci gaba ba, amma lokacin aiki ya fi sa'o'i 8 a rana, ko ci gaba da aiki na tsawon sa'o'i 24 na dogon lokaci, kuma ba a ba da izinin dakatar da aiki ba. saboda hadurra.Ba a yarda a dakatar da ƙananan kayan aiki kamar injin tsabtace gida da injin wanki;kayan aikin lantarki suna birgima Injin diamita na Roller don injinan noma da na'urorin sanyaya iska na gida;ƙananan motoci don kayan aikin gine-gine;bene cranes;janar kaya masu farawa;tushe gear;motoci;escalator conveyor belts;Injin masana'anta lif;lathes;na'urorin gear gabaɗaya;allon girgiza;masu murƙushewa;ƙafafun niƙa;Mai raba tsakiya;kayan aikin kwantar da iska;fan bearings;kayan aikin katako;manyan motoci;Jirgin fasinja motar axle;compressor;mahimmancin kayan aikin hakar ma'adinai;naushi inertia dabaran (flywheel);babban motar motsa jiki don abubuwan hawa: axle locomotive, kayan aikin famfo famfo kayan aikin takarda;Kayan aikin wutar lantarki;Kayan aikin magudanar ruwa.