Rayuwa mai ɗaukar nauyi

Lissafin Rayuwar Bearing: Nauyin Bearing da Gudu

Yawancin lokaci ana auna rayuwar bearing ta amfani da lissafin L10 ko L10h. Lissafin asali bambancin ƙididdiga ne na rayuwar bearing na mutum ɗaya. Rayuwar bearing ta L10 kamar yadda aka bayyana ta hanyar ISO da ABMA ya dogara ne akan rayuwar da kashi 90% na babban rukuni na bearing iri ɗaya zasu kai ko wuce. A taƙaice, lissafi akan tsawon lokacin da kashi 90% na bearing zasu daɗe a cikin wani aikace-aikacen da aka bayar.

Fahimtar Rayuwar Bearing na L10

L10h = Rayuwar asali a cikin awanni

P = Daidaita nauyi mai ƙarfi

C = Matsayin nauyi mai ƙarfi na asali

n = Gudun juyawa

p = 3 ga bearings na ball ko 10/3 ga bearings na birgima

L10 - juyin juya halin ƙimar kaya na asali

L10s - ƙimar nauyi ta asali a nesa (KM)

 

Kamar yadda kuke gani daga lissafin da ke sama, domin tantance rayuwar L10 na takamaiman ɗaukar hoto, ana buƙatar nauyin radial da axial da kuma saurin juyawar aikace-aikacen (RPM's). Ana haɗa ainihin bayanin ɗaukar hoto na aikace-aikacen tare da ƙimar nauyin ɗaukar hoto don gano haɗin kaya ko nauyin daidaitacce wanda ake buƙata don kammala lissafin rayuwa.

Lissafi & Fahimtar Rayuwar Ɗauki

P = Haɗakar Loda (Loda Mai Daidaitawa Mai Tsanani)

X = Ma'aunin nauyin radial

Y = Matsayin nauyin axial

Fr = Nauyin radial

Fa = Nauyin axial

Lura cewa Lissafin Rayuwa na L10 bai yi la'akari da zafin jiki, man shafawa da sauran muhimman abubuwa masu mahimmanci don cimma rayuwar ɗaukar nauyin da aka tsara ba. Ana ɗaukar magani mai kyau, sarrafawa, kulawa da shigarwa kawai. Wannan shine dalilin da ya sa yake da matuƙar wahala a yi hasashen gajiyar ɗaukar nauyin da kuma dalilin da ya sa ƙasa da kashi 10% na ɗaukar nauyin da ke kan wuyan suka taɓa haɗuwa ko suka wuce lokacin gajiyar da aka ƙididdige.

Me ke ƙayyade rayuwar sabis na bearing?

Yanzu da ka fahimci yadda ake ƙididdige tsawon lokacin gajiya da tsawon lokacin bearings ɗin birgima, bari mu mayar da hankali kan wasu abubuwan da ke ƙayyade tsawon lokacin rayuwa. Lalacewa ta halitta ita ce babbar sanadin lalacewar bearings, amma bearings ɗin kuma na iya lalacewa da wuri saboda yanayin zafi mai tsanani, tsagewa, rashin man shafawa ko lalacewar hatimin ko keji. Wannan nau'in lalacewar bearings galibi yana faruwa ne sakamakon zaɓar bearings ɗin da ba daidai ba, rashin daidaito a cikin ƙirar abubuwan da ke kewaye, shigarwa mara daidai ko rashin kulawa da kuma man shafawa mai kyau.