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Tsev > Xov xwm > Ntsiab lus
Pob Bearings no zoo li cas?

Pob bearings, los yog kev sib txhuam los tiv thaiv bearings, muaj me me nws yog xim hlau los yog tej hub spheres siv kom tsis txhob txhuam los ntawm shafts thiab axles nyob rau daim ntaub ntawv. Lawv siv nyob rau hauv ib series los nqus tej qhov hnyav tso rau ntawm ib qho mus, los yog hauv ib tawb rau kom tsis txhob txhuam inaxleassemblies. Feem ntau cov tsev mus raws qauv qhia ntawv ntawm roundness, exacting heev vim muaj deformation ua rau txhua qhov chaw yuav tsis poob nthav.

Pob bearings yuav tau taub twb tsis siv txhua txoj kev uas rov los rau tim teb chaws Ottoman Roman, tab sis ntau qhov chaw rov Leonardo da Vinci nrog cov thawj tswv yim designs. Nws wasnand #39; t kom 1791, tab sis, thaum twg muaj txiag Welsh carriage thiab inventor npe Philip Vaughan patented tus firstaxle assemblyto siv xwb. Yav dhau los carriage axles yuav nws thiaj li coj los ntawm kev sib txhuam, tab sis Vaughanand #39; s siv pob bearings eliminated qhov sib chwv ntawm thedrive shaftand qag.

Tom qab lawv thaum siv nyob rau hauv drive shafts, engineers Hoobkas nrhiav lwm yam kev siv rau tus raug arena. Qhov ib tug neeg yuav tawm tau yooj yim dua rau nruab nrog no bearings du. Cav tov tsav-uas tau tsav ua npaum li lawv txo kev sib txhuam rau ntawm qhov chaw. Tsis zoo li lwm yam los ntawm bearings, pob bearings pub rau cov teb thiab axial no, uas ntxiv versatility kom tsim tshuab.

Ib feem ntau heev me ntsis txog pob bearings hauv tes hauj lwm yog rau cov menyuam skate. Plaub lub log yog uas txuas ob axles rau khau raj ib lub qab. Soj ntsuam txog cov log closer reveals ib phau ntawm me hlau khoom uas koos qhov qag. Raws li tus skater is nws puv luj ntawm lub log, ib pob absorbs cov load mus ib ntus. Raws li tus skater pushes rau pem hauv ntej, lawv ntog hauv ib tug khiav ncig qhov qag. Vim cov pob bearings no txawm hloov thiab du, no mas kuj generated ntawm cov zauv los txhuam. Lawv pub tus skater yuav tawm mus nyob rau hauv ib txoj kab ncaj nraim nrog me ua hauj lawm.

Manufacturing pob bearings no kuj ceeb tias zoo li ntau heev dua cov khoom uas ua khob noom cookie. Uas xov hlau li cov tib txoj kab uas hla ua tus bearings tso rau hauv ib lub cav uas ob daim hlau uas tsim los ua hemispheres. Thaum lub ob halves no coj tuaj ua ke ntiag, ib ntxhib luj yuav ua. Qhov teeb meem no, ib co ntxiv xov shards hu ua flashing tseem nyob. Cov khoom no ces tso rau hauv lwm cov tshuab uas tuskheej lub flashing los ua ib tug zoo meej hauv lub xeev roundness.

Qhov thib ob lub cav muaj ob grooved daim hlau, ib tus thais qhib tau lub pob bearings. Raws li lub cav no nyob nrog cov khoom tsis tiav, lub grooved phaj pib ntswj rau lus qhia ntau dua li cov immovable hauv qab phaj. Daim ntawv no yog zoo li ib tug ua noj siv nws txhais tes rau daim ntawv khoom uas ua khob noom cookie. Tus thawj mus dhia dhau lub cav no tuskheej lub flashing thiab pab cov bearings ua haum yam loj.

Ib tug mus dhia thib ob ntawm lub tshuab ib yam ntxiv ib cov kua lubricating thiab ntxhib no los txhuam tus tov. Lub pob bearings yog cov av mus ua ib leej me me los ntawm qhov kev txiav txim ntawm cov ntxhib no los txhuam. Thaum cov khoom no ho tau ib qho me me siv tau thiab uniformity, ib feem peb khiav siv ib tug neeg sawv cev saib polishing muab lawv ci txhuam ce. Tag nrho tus bearings yuav muab ib kawg tshawb los saib seb puas imperfections ua ntej lawv yuav tso cai rau siv rau lwm yam kev siv.