Ha ho beleha ho potoloha tlas'a mojaro, hobane sebaka sa lebelo la lesale le bokaholimo ba likarolo tse bilikang li lula li le tlas'a meroalo e fapaneng, le haeba maemo a ts'ebeliso e le a tloaelehileng, tšenyo e kang ea tlhapi (e bitsoang ts'enyehelo ea sekala sa tlhapi) e tla etsahala. bokahodimo ba mabelo le bokahodimo bo bidikang ka baka la mokgathala wa dintho tse bonahalang.etsa ho ebola kapa ho ebola).Palo eohle ea liphetoho pele ho tšenyo e joalo ea mokhathala e etsahala e bitsoa "(mokhathala)" bophelo ba ho jara.Esita le haeba li-bearings li tšoana ka sebopeho, boholo, thepa, mokhoa oa ho sebetsa, joalo-joalo, ho ntse ho tla ba le phapang e kholo bophelong (mokhathala) oa mehlala ea ho jara ha ho potoloha tlas'a maemo a tšoanang.Lebaka ke hobane mokhathala oa lintho tse bonahalang ka botsona o ikentse 'me o lokela ho nkoa ho latela lipalo-palo.Ka hona, ha sehlopha sa li-bearings tse tšoanang li potoloha ka thoko tlas'a maemo a tšoanang, palo eohle ea lipotoloho tseo 90% ea li-bearings li sa utloeng bohloko ka lebaka la tšenyo ea mokhathala o bitsoang "bophelo ba motheo bo lekantsoeng" (ke hore, bophelo boo ho tšepahala ho 90%).Ha u potoloha ka lebelo le tsitsitseng, nako eohle ea ho potoloha e ka boela ea hlahisoa.Leha ho le joalo, mosebetsing oa 'nete, ho ka etsahala ts'enyehelo ntle le tšenyo ea mokhathala.Litšenyo tsena li ka qojoa ka khetho e nepahetseng ea ho jara, ho kenya le ho tlotsa.Tekanyetso ya meroalo ya motheo (Mosic dynamic load) Tekanyetso ya moroalo o matla e bontsha bokgoni ba beri ba ho mamella mokgathala o thellang (ke hore, boima ba moroalo).E bolela mojaro o hloekileng oa radial oa boholo bo itseng le tataiso (bakeng sa li-radial bearings).Lesale la ka hare le potoloha 'me lesale la ka ntle le tsitsitse (kapa lesale la ka hare Tlas'a boemo bo tsitsitseng ba ho potoloha ka ntle), bophelo ba motheo bo lekantsoeng tlas'a mojaro ona bo ka fihla ho 1 million revolutions.Tekanyetso ea motheo ea matla a matla a radial e bitsoa radial basic dynamic load rating, e hlahisoang ke Cr, 'me boleng ba eona bo kenngoa tafoleng ea boholo ba ho beha (e hlalositsoeng ke C ka mokhoa o latelang).

Mokhoa oa motheo oa lintlha tsa bophelo (2) o emela mokhoa oa motheo oa tekanyo ea bophelo ea bering;foromo (3) e emela mokhoa oa bophelo o hlalositsoeng ka nako ha lebelo la ho jara le tsitsitse.(Palo eohle ea liphetohelo) L10 = ( C )PP………………(2) (nako) L10k =………………(3) 10660n ( ) CPP: bophelo bo hlophisitsoeng hantle, 106 revolutions: basic rated life, h: Equivalent dynamic load, N{kgf}: Basic dynamic load rating, N{kgf}: Potoloho lebelo, rpm: Life index L10pnCPL10k ball bearing……………P=3 rolara e behang……………P = 310 ka hona, joalo ka ha maemo a ts'ebeliso ea bering, ho nka hore mojaro o lekanang oa matla ke P le lebelo la ho potoloha ke n, joale moroalo o matla o lekantsoeng oa C oa ho jara o hlokahalang ho kopana le bophelo ba moralo o ka baloa ka Equation (4) ).Khetha bere e kopanang le boleng ba C ho tloha tafoleng ea boholo ba ho beha ho fumana boholo ba ho beha C=P(L10k Foromo ea lipalo ke e latelang: L10k=500fhf…………………(5) Coefficient ea bophelo: fh=fn……………(6C P Speed ​​coefficient: = (0.03n) leq…………………(7)-1fn=( )500x60n106Ho sebelisa chate ea lipalo [setšoantšo sa litšupiso], fh, fn le L10h li ka fumanoa habonolo.Ha u khetha li-bearings, bophelo ba mokhathala bo ntlafatsoa ka boomo.Ha ho na moruo ho khetha li-bearings tse kholo le matla a shaft, Ho tiea, litekanyo tsa ho kenya, joalo-joalo ha li hlile ha li thehiloe bophelong ba mokhathala feela.Li-bearings tse sebelisoang mecheng e fapaneng li na le bophelo ba moralo oa benchmark, ke hore, bophelo ba mokhathala o matla, bo ipapisitseng le maemo a ts'ebeliso.Ka kopo sheba tafole e ka tlase.

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 1.8000 7.0 5 01. 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 1000 5000 200 300 1000 2000 1 0000 20000 30000 50000 100000h 10h

[Ball Bearing] Speed ​​Life Speed ​​Life [Roller Bearing] Lethathamo la Lingollano la Boiphihlelo ba Mokhathala oa Bophelo Coefficient fh le Used Machinery Table 3 Conditions fh Boleng le Mechini e Sebelisitsoeng ~ 3 2 ~ 4 3 ~ 5 4 ~ 7 6 ~ Se sebelise khafetsa kapa bakeng sa nako e khuts'oane Tšebeliso ea khafetsa, empa ho hlokahala ho netefatsa hore ts'ebetso ha e tsoelepele, empa nako ea ts'ebetso e telele ho feta lihora tse 8 ka letsatsi, kapa ts'ebetso e tsoelang pele ea lihora tse 24 ka nako e telele, 'me ha e lumelloe ho emisa ts'ebetso. ka baka la dikotsi.Lisebelisoa tse nyenyane tse kang li-vacuum cleaners le mechine ea ho hlatsoa ha lia lumelloa ho emisoa;lisebelisoa tsa motlakase ke roller diameter motors bakeng sa mechini ea temo le li-air conditioner tsa malapa;li-motor tse nyane bakeng sa mechini ea kaho;li-cranes tsa mekato;ho qala thepa ka kakaretso;metheo ea lisebelisoa;likoloi;mabanta a conveyor a escalator;lifeme tsa lifeme tsa lifti;lathes;lisebelisoa tsa lisebelisoa tse akaretsang;li-skrini tse thothomelang;li-crusher;mabili a sila;Centrifugal separator;thepa ea ho futhumatsa moea;li-fan bearings;mechine ea mapolanka;li-motor tse kholo;sekepe sa koloi ea baeti se nang le axle crane sekepe;compressor;crane ea bohlokoa ea sesebelisoa sa meepo;phunya lebili la inertia (flywheel);koloi e ka sehloohong bakeng sa likoloi: li-axle tsa locomotive, mochini oa ho etsa pampiri lisebelisoa tsa metsi a pompo;Lisebelisoa tsa setsi sa motlakase;Lisebelisoa tsa ho ntša metsi ka morafo.