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Yahlula phakathi kweebheringi ezizithambisa ngokwazo kunye neebheringi ezifakwe ioyile

 

Yintoni ii-oyile efakweibhereyitha?

Indlela yokulungisa umzimba osikiweyo owenziwe nge-powder metallurgy inezimbobo kwaye ineengenelo zobugcisa zokulungisa inani, ubungakanani, imo kunye nokusasazwa kweembobo ngokukhululekileyo kwinkqubo yokuvelisa. Ngokusebenzisa i-porosity yomzimba osikiweyo, ifakwa i-10%-40% (inxalenye yevolumu) yeoyile yokuthambisa, kwaye isetyenziswe kwimeko yokubonelela ngeoyile yakho. Ngexesha lokusebenza, ubushushu be-bearing buyaphakama, kwaye ekubeni i-coefficient yokwandiswa kweoyile inkulu kuneyesinyithi, ingena ngokuzenzekelayo kumphezulu otyibilikayo ukuze ithambise i-bearing. Ii-bearing ezifakwe ioyile zingasetyenziswa ixesha elide ngeoyile enye, kwaye zihlala zisetyenziswa kwiimeko apho ukugcwalisa i-fuel kungasebenzi kakuhle.

 

Yintoni iukuzithambisaibhereyitha?

Iibheringi ezizithambisayozahlulwe zibe ziibheringi ezizithambisa ngokwazo ezidityanisiweyo, iishafts ezizithambisa ngokwazo eziqinileyo, iibheringi ezizithambisa ngokwazo zezinto ze-bimetallic, kunye neebheringi ezizithambisa ngokwazo ezikhethekileyo.

 

Enye yezona ntlobo ziphambili zeebheringi ezizithambisayo eziqinileyo (ezibizwa ngokuba yi-JDB) yibheringi entsha ethanjiswe nge-lubricating eneempawu zebheringi yesinyithi kunye nebheringi yokuthambisa engena-oyile, elayishwa yi-metal matrix kwaye ithanjiswe ngesixhobo sokuthambisa esiqinileyo esenziwe ngokukodwa.

 

Ineempawu zokuba namandla aphezulu okuthwala, ukumelana nempembelelo, ukumelana nobushushu obuphezulu, amandla okuzithambisa aqinileyo, njl.njl., ifanelekile ngakumbi kumthwalo onzima, isantya esiphantsi, ukubuyisana okanye ukujika kunye nezinye izihlandlo ezinzima ukuthambisa nokwenza ifilimu yeoyile, kwaye ayoyiki ukukhukuliseka kwamanzi kunye nokukhukuliseka kwezinye iiasidi. Ezi mveliso zisetyenziswe kakhulu kwiimashini zokuphosa eziqhubekayo zesinyithi, izixhobo zokuqengqeleka, oomatshini bemigodi, iimold, oomatshini bokuphakamisa, oomatshini belaphu, ukuveliswa kwamandla omoya, iinqanawa, iiturbines zomphunga, iiturbines zamanzi, oomatshini bokubumba inaliti kunye nemigca yemveliso yezixhobo. Ukumelana nokuguguleka kuphindwe kabini kunokweebhushings eziqhelekileyo.

 

Umahluko phakathiiibheringi ezifakwe ioyile kunye neebheringi ezizithambisa ngokwazo

 

1. I-bearing efakwe kwi-oyile yenziwe ngomgubo wesinyithi odityanisiweyo, kunye nokususwa kwesakhiwo se-10-40%; I-matrix ye-self-lubricating bearing matrix yenziwe nge-centrifugal casting; Uxinano lwe-substrate luphezulu, amandla okubopha aphezulu kunalawo ee-bearing ezifakwe kwi-oyile, kwaye ubomi benkonzo bude kunobo bee-bearing ezifakwe kwi-oyile.

 

2. Izinto zokuthambisa ze-bearing efakwe kwi-oyile yi-oyile yokuthambisa, kwaye ifilimu yeoyile inobukhulu obaneleyo bokuphelisa unxibelelwano oluthe ngqo phakathi kweendawo ezimbini zokuthambisa. Ngeli xesha, kukho ukuthambisa kuphela phakathi kwee-molecules zolwelo, ngoko ke i-coefficient yokuthambisa incinci kakhulu (f = 0.001 ~ 0.008), nto leyo enciphisa kakhulu ukuthambisa kunye nokuguguleka. Izinto zokuthambisa ezifakwe kwi-bearing ezithambisayo zizinto eziqinileyo zokuthambisa, ezisenokuba nefuthe elihle lokuthambisa naphantsi kweemeko ezingenayo i-oyile, ezinokuqinisekisa ukuthambisa okungaphazamisekiyo nokuzinzileyo, kwaye ubomi bayo bokuthambisa obusebenzayo buhambelana nobomi be-matrix;

 

Ioyile yokuthambisa kwi-bearing efakwe kwioyile iyaguquguquka kwaye kulula ukuyilahla, kwaye ukulahleka kwefilimu yeoyile yokuthambisa kuyakhawuleziswa phantsi kobushushu obuphezulu kunye noxinzelelo oluphezulu, kwaye isiphumo sokuthambisa esifanelekileyo asinakufunyanwa; Kwisilingi se-graphite copper, i-lubricant eqinileyo idluliselwa okanye ibuyiselwe kumphezulu wokutshayela ngokutshayela, kwaye i-lubricant eqinileyo emngxunyeni okanye kwi-groove idluliselwa okanye ibuyiselwe ukwenza ifilimu yokudlulisa eqinileyo ene-lubricant elungileyo, ukunamathela okuqinileyo kunye nokugubungela okufanayo kumphezulu wokutshayela, okunciphisa kakhulu ukutshayela kunye nokuguguleka. Njengoko ukutshayela kuqhubeka, i-lubricant eqinileyo efakwe ngaphakathi inikezelwa rhoqo kumphezulu wokutshayela, ukuqinisekisa ukuthambisa okuhle kwesibini sokutshayela ngexesha lokusebenza ixesha elide.

Ukuba ufuna ukwazi okungakumbiibhereyithaulwazi, nceda unxibelelane nathi:

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