Halin rayuwa

Ƙididdiga Rayuwar Ƙarfafawa: Ƙirar lodi & Gudu

Rayuwar rai galibi ana auna ta ta amfani da lissafin L10 ko L10h. Ƙididdigar asali shine bambancin ƙididdiga na rayuwar ɗaiɗaikun ɗaiɗaikun. Rayuwar L10 mai ɗaukar nauyi kamar yadda aka ayyana ta ka'idodin ISO da ABMA ya dogara ne akan rayuwar da kashi 90% na babban rukuni iri ɗaya zasu samu ko wuce. A taƙaice, ƙididdige tsawon lokacin da kashi 90% na bearings za su ɗora a cikin aikace-aikacen da aka bayar.

Fahimtar L10 Roller Bearing Life

L10h = Rayuwar kima na asali a cikin sa'o'i

P = Madaidaicin nauyi mai ƙarfi

C = Asalin ma'aunin nauyi mai ƙarfi

n = Gudun juyawa

p = 3 don ƙwallon ƙwallon ƙafa ko 10/3 don abin nadi

L10 – asali load rating-juyin juyayi

L10s - ƙimar kaya na asali a nesa (KM)

 

Kamar yadda kuke gani daga lissafin da ke sama, don tantance rayuwar L10 na takamaiman nau'in aikace-aikacen radial da axial lodin aikace-aikacen ana buƙatar da kuma saurin jujjuya aikace-aikacen (RPM's). Ana haɗe ainihin bayanan lodawa na aikace-aikacen tare da ma'auni mai ɗaukar nauyi don gano haɗaɗɗen nauyi ko daidaitaccen nauyi wanda ake buƙata don kammala lissafin rayuwa.

Ƙididdiga & Fahimtar Rayuwa Mai Haɓakawa

P = Haɗaɗɗen Load (Load ɗin Daidaitaccen Maɗaukaki)

X = Radial Load factor

Y = Axial load factor

Fr = Radial lodi

Fa = Axial Load

Yi la'akari da cewa Lissafin Rayuwa na L10 baya la'akari da zafin jiki, lubrication da ɗimbin sauran mahimman abubuwan mahimmanci don cimma ƙirar aikace-aikacen da ke ɗaukar rayuwa. Magani mai kyau, kulawa, kulawa da shigarwa duk ana ɗauka kawai. Wannan shine dalilin da ya sa yana da matukar wahala a iya hasashen gajiyar gajiya kuma me yasa kasa da kashi 10% na bearings suka taɓa saduwa ko wuce lissafin gajiyawar rayuwarsu.

Me ke Ƙaddara Rayuwar Sabis ɗin Bearing?

Yanzu da kun fahimci yadda ake ƙididdige ainihin rayuwar gajiya da tsammanin birgima, bari mu mai da hankali kan wasu abubuwan da ke ƙayyade tsawon rayuwa. Lalacewa da tsagewar yanayi sune mafi yawan sanadi na lalacewa, amma bearings kuma na iya gazawa da wuri saboda matsanancin yanayin zafi, tsagewa, rashin mai ko lalacewa ga hatimi ko keji. Irin wannan lalacewar lalacewa sau da yawa shine sakamakon zaɓin kuskuren kuskure, rashin kuskure a cikin ƙirar abubuwan da ke kewaye, shigarwa mara kyau ko rashin kulawa & mai kyau mai kyau.