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Kuyini izinga lokushisa eliphansi, luyini ulwazi oluyisisekelo?

Ihola phambili kwemishini, ividiyo yemishini, imoto, ubuchwepheshe bokucubungula, ukuphrinta kwe-3D, okuzenzakalelayo, irobhothi, inqubo yokukhiqiza, ukuthwala, isikhunta, ithuluzi lomshini, insimbi yeshidi nezinye izimboni.

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Ama-bearings okushisa aphansi akuwona ama-bearings agijima ngokuzinzile endaweni yokushisa ephezulu ehambisana nama-bearings okushisa aphezulu, kodwa abhekisela ekwakhiweni kwezinto ezikhethekile nezakhiwo zokunciphisa i-coefficient ye-friction, ukuze kuncishiswe ukushisa kwe-friction, ukuze ama-bearings ahlale ephansi lokushisa. ekusebenzeni isikhathi eside.

INGXENYE.2

Amabheringi izinga lokushisa lawo lokusebenza lingaphansi kuka -60 ℃ angama-bearings anezinga lokushisa eliphansi.Isetshenziswa kakhulu kuzo zonke izinhlobo zephampu ewuketshezi, njengepompo yegesi yemvelo ewuketshezi, iphampu ye-nitrogen ewuketshezi (i-hydrogen, umoya-mpilo), iphampu ye-butane, iphampu ye-rocket missile liquid, imikhumbi-mkhathi njalonjalo.
Ukushisa okusebenzayo kuyinkomba ebalulekile yomkhiqizo ophethe umhlaba

Izinga lokushisa elisebenzayo lama-bearings aphansi lokushisa libonisa ubuchwepheshe bezinto ezibonakalayo kanye nezinga lokucubungula lokucubungula ukuthwala.Isilinganiso saso sisekelwe kakhulu kumehluko wezinga lokushisa phakathi kweringi yangaphandle ethwele kanye namafutha okupholisa umjovo ngesikhathi sokusebenza.

Izinga lokushisa eliphansi lokusebenza lisho impilo yesevisi ende kanye nokusebenza okuphezulu kwamabheringi.Abakhiqizi bezimpahla ezidumile emhlabeni wonke, bethembele enzuzweni yabo, balwela ukuzuza izinzuzo eziqhathaniswayo zamabhodi okushisa aphansi emikhakheni eminingi.Thatha i-Timken self-alting roller bearings njengesibonelo.Ngemuva kokuhlolwa kanzima, izinga lokushisa lokusebenza kwenkampani lemikhiqizo enjalo liphansi kunemikhiqizo efanayo emakethe, cishe ngo-15.5 degrees Celsius, kuyilapho ezinye izinhlobo ezidumile emhlabeni wonke zingaphezu kuka-19 degrees Celsius.
Ngokwenzeka kokuthwala okunamathelayo ekushiseni okuphansi, isici sangaphandle ukuguquka kwezinga lokushisa, futhi isici sangaphakathi yi-coefficient yokwandisa okushisayo okuhlukile kwe-shaft, ifreyimu nezinto ezibonakalayo.Uma izinga lokushisa likhulu, izinga lokushwabana lezinto ezihlukene liyahluka, okuholela ekutheni igebe libe lincane futhi libhajwe.Ngakho-ke, ezinhlobonhlobo zemishini, kuhlanganise nemishini esetshenziswa emazingeni okushisa aphansi, kuyadingeka ukubala i-coefficient yokwandisa yezinto, ngenkathi uzama ukusebenzisa izinto ezine-coefficient yokwandisa efanayo, umphumela uzoba ngcono.

Ngaphezu kwalokho, ekwakhiweni kwesakhiwo, zama ukugwema ukusetshenziswa kwe-tapered roller bearing structure kuzo zombili iziphetho ze-shaft.Ngalesi sakhiwo, uma ibanga elide phakathi kwama-bearings amabili, maningi amathuba okuba abhajwe.Uma umkhawulo owodwa we-shaft ufakwe nge-pair of conical bearings, ukunyakaza kwe-axial kwe-shaft kuvinjelwe njengendlela yokumisa i-shaft, kanti enye iphetho ye-shaft isetshenziswa nge-rolling bear ukuze kukhawulwe amandla e-radial kuphela.Esiqondisweni se-axial, ukunyakaza kwe-axial kungahanjiswa ngaphakathi kwebanga elithile ngokushisa kwe-axial.

Izinga lokushisa eliphansi amabombo zivame ukusetshenziswa insimbi engagqwali enensimbi 9Cr18, 9Cr18Mo yokukhiqiza, futhi angakhetha beryllium yethusi, Ceramic kanye nezinye izinto zokwakha;Izinga lokushisa elisebenzayo Izimo zokushisa eziphansi kakhulu (zingamazinga okushisa alinganiselwe -253℃) : Izimfuneko zomkhawulo wokushisa womsebenzi ongu- -253℃, zingakhetha impahla engu-6Cr14Mo kodwa kufanele zisetshenziswe endaweni engenalutho.

Qaphela: Ekusetshenzisweni kwama-bearings aphansi okushisa, ukunaka kufanele kukhokhwe ekushiseni okubangelwa ukugcotshwa okungalungile, ngakho-ke kufanele kuqashelwe ekukhethweni kwezinto zokugcoba ezifanele.


Isikhathi sokuthumela: Apr-20-2022