Impembelelo yoYilo lweGroove yeLubrication kwiNtsebenzo yeeBearings zeSliding

Iigrooves zokuthambisa zibalulekile ekuboneleleni nasekusasazeni ioyile iibheringi ezityibilikayo, kodwa bamele ulungelelwaniso olubalulekileyo loyilo. Umsebenzi wabo ophambili kukuqinisekisa ukuthanjiswa okwaneleyo, ngakumbi ngexesha lokuqalisa naphantsi kweemeko zesantya esiphantsi. Nangona kunjalo, ii-grooves intrinsically ukunciphisa indawo yokuthwala umthwalo kunye nokuphazamisa ifilimu yeoli ye-hydrodynamic eqhubekayo iyimfuneko ekusebenzeni ngokupheleleyo. Ngoko ke, ifilosofi yoyilo olusembindini kukuba ukwandisa ukuhanjiswa kwe-lubricant kunye neempembelelo ezincinci ezinobungozi kwimveliso yoxinzelelo. Uyilo olululo lwegroove lulungelelwaniso olunyamekileyo lwendawo, ijometri, kunye nohlobo, olulungiselelwe iimfuno ezithile zokusebenza (umthwalo, isantya, isalathiso).

Xa kuza ku ukutyibilika ukusebenza kunye nobomi, uyilo lwegroove yokuthambisa yinkosi. Umphezulu wokuthwala usetyenziswe ngokucokisekileyo ukubandakanya i-grooves evumela ukuba i-lubrication isasazwe, ekhokelela ekukhuhlaneni okuncinci kunye nokusebenza kakuhle. Umthamo womthwalo, ukuchithwa kobushushu, kunye nokumelana nokunxiba konke kuchaphazeleka kakhulu kuyilo lwezi grooves. Ukuthwala impumelelo, ubomi bokusebenza, kunye nokusebenza kwenkqubo konke kunokuphuculwa ngabavelisi ngokuhlengahlengisa ipateni, ubunzulu, kunye nobubanzi begrooves yokuthambisa. Iingcamango ezintsha kule ndawo zitshintsha indlela izinto ezisetyenziswa ngayo kwiinkalo ezininzi ezahlukeneyo. Ukudibana okuntsokothileyo phakathi kokusebenza okucacileyo kunye noyilo lwegroove yokuthambisa ngumxholo weli nqaku.

Iziseko zeLubrication Groove Design kwiSliding Bearings

Ukusebenza kwebheringi etyibilikayo kulawulwa ngumgaqo we-hydrodynamic lubrication:

Ijenali ejikelezayo (i-shaft) irhuqa i-lubricant ye-viscous kwi-converging wedge phakathi kwayo kunye ne-liner ethwele.

Esi senzo sivelisa uxinzelelo oluphezulu lwe-fluid ngaphakathi kwe-wedge, ephakamisa ijenali kwaye ixhase umthwalo kwifilimu encinci yeoli.

Olu lwahlulo lwefilimu olulwelo lukhokelela ekukhuhlaneni okuphantsi kakhulu kunye nokunxiba okungakhathaliyo.

Inyathelo elibalulekileyo: Nakuphi na ukungaqhubeki kwindawo yokuthwala-ingakumbi i-groove-kuphazamisa le nkqubo yokuvelisa uxinzelelo.

Impembelelo eneenkcukacha kwiiParameters zokuSebenza eziPhambili

A. Umthamo wokuthwala umthwalo (Eyona nto ibalulekileyo)

Impembelelo embi: A groove ibekwe ngqo ngaphakathi indawo yomthwalo (ummandla apho uxinzelelo lwe-hydrodynamic luphezulu) yintlekele. Isebenza njengendlela yokunciphisa uxinzelelo, ivumela ifilimu yeoli exhasayo ukuba ibaleke. Oku kunokunciphisa umthamo womthwalo wokuthwala ukuya kuthi ga kwi-80-90%.

Uyimfuneko yoyilo: Iigrooves kufuneka zibekwe ngaphandle kwe-arc yokuqala yokuthwala umthwalo. Ngomthwalo othe nkqo ozinzileyo, oku kuthetha ukubeka iigrooves kufuphi nomgca wokuqhawula okanye phezulu (engalayishwanga) isiqingatha sokuthwala.

B. Ixabiso lokuhamba kweLubricant kunye noLawulo lweThermal

Impembelelo entle: Iigrooves zezona ndlela ziphambili zokubonelela ngeoyile entsha nepholileyo. Inkqubo esebenzayo ye-groove iqinisekisa ukuhamba okwaneleyo ukususa ubushushu obunzima, ukuthintela ukunyuka kobushushu obuyingozi.

Ithengisiwe ngaphandle: Ukuhamba okugqithisileyo, okubangelwa yi-groove evulekile kakhulu yoyilo, kwandisa amandla okumpompa afunekayo kunye nobukhulu benkqubo yokuthambisa yangaphandle. Ukuhamba okunganelanga kukhokelela kwindlala yeoli, ukutshisa, ukunciphisa i-viscosity yeoli, kunye nokungaphumeleli kokuthwala.

C. Ukukhuhlana kunye nokuLahla kwamandla

Impembelelo engathanga ngqo: Iigrooves ngokwazo azichaphazeli kakhulu i-viscous drag, eyona nto ingumsebenzi we-oil viscosity, isantya, kunye nobukhulu befilimu. Nangona kunjalo, ngokuqinisekisa ifilimu yeoli ezinzileyo kwaye eqhubekayo, i-groove eyiyo eyiyo inceda ukugcina ukuthwala kwi-low-friction hydrodynamic regime. Uyilo olubi olukhokelela ekudibaneni kwentsimbi ukuya kwintsimbi kuya kubangela ukukhuhlana okuphezulu kunye nokugqoka.

D. Uzinzo (UThintelo lwe-Oli Whirl)

Impembelelo ebalulekileyo: Kwii-rotors ezinesantya esiphezulu, ukuthwala ijometri kubalulekile kuzinzo. I-Circumferential grooves, ngelixa igqwesileyo ekuthambiseni, yenza iindawo ezimbini zoxinzelelo ezilinganayo ezinokukhuthaza ukungcangcazela okuzithandayo okubizwa ngokuba yi "oil whirl" okanye "whip."

Uyilo oluZinzile: Iibheringi ezingenamagingxigingxi, okanye ezo zine-offset (i-lemon-bore okanye i-elliptical bore), yenza i-wedge enye, ezinzileyo yoxinzelelo ecinezela i-whirl. Ngaloo ndlela, ukhetho lwe-groove ludibaniswa ngokuthe ngqo kwi-rotor-dynamic stability.

E. Nxiba kwi-Border Lubrication Regime

Impembelelo entle: Ngexesha lokuqalisa, ukuvala, okanye iimeko zokulayisha ngaphezulu, ukuthwala kusebenza kulawulo lokuthambisa umda. Iigrooves zibalulekile apha, njengoko ziqinisekisa ukuba i-lubricant ikhona kwi-sliding interface ukunciphisa ukuguga kunye nokuthintela ukubanjwa.

Uyilo oluqhelekileyo lweGroove kunye nezicelo zabo ezikhethekileyo

Ukukhethwa kwepateni ye-groove yimpendulo ngokuthe ngqo kwiimeko zokusebenza.

Uhlobo lweGroove	Inkcazo kunye noMzobo	Eyona ilungiselelwe	eziluncedo	nezingeloncedo
Axial Groove	Umjelo owenziwe ngoomatshini ecaleni komphezulu wokuthwala (180° ukusuka kwindawo yomthwalo).	Ukuzinza, imithwalo yendlela enye (umzekelo, iimpompo zamashishini, iimotor, iiinjini zomoya).	Kulula kwaye kutshiphu ukwenza. Ukuhanjiswa kwe-axial okusebenzayo.	Ayifanelekanga ukubuyisela umva okanye imithwalo ye-oscillating.
I-Cirumferential Groove	I-groove ejikeleza ibhore yonke, rhoqo embindini.	Intshukumo yokushukuma, ukubuyisela umva imithwalo, okanye izicelo ezingalungelelaniswanga kakuhle.	Ukuhanjiswa kwe-lubricant okugqwesileyo kuyo yonke indawo.	Ukunciphisa ngokumangalisayo umthamo womthwalo ngokucanda kabini iprofayile yoxinzelelo. Gwema imithwalo ephezulu ye-unidirectional.
Feed Hole / Pocket	Umngxuma olula ogrunjiweyo okhokelela kwipokotho encinci evaliweyo.	Ukusetyenziswa kwexabiso eliphantsi, izantya eziphantsi kakhulu, okanye njengesondlo sesibini.	Impembelelo encinci kwindawo yokuthwala umthwalo.	Ukusasazwa kakubi; umngcipheko ophezulu wendlala yeoli.
Spiral / Helical Groove	Iigrooves ezenziwe kwi-helix ecaleni kwendawo yokuthwala.	Usetyenziso olufuna ukuzimpompa ukuhambisa ioli axially.	Ingancedisa ngokusebenzayo ekuhambiseni ioli ngokuthwala.	Kuntsonkothile kwaye kuyabiza ukwenziwa.
IiGrooves ezidibeneyo	Indibaniselwano, umz., igroove esembindini ene-axial grooves eziphelweni.	Iibheringi ezinde (L/D > 1) ukuthintela ukuvuza kokuphela ekulambiseni iziko.	Iqinisekisa ukuthanjiswa okupheleleyo.	Ukunciphisa ngakumbi indawo yokuthwala umthwalo; nzima ngakumbi.

key: L/D Umlinganiselo (Umlinganiselo wobude ukuya kuMdayamitha) ubalulekile. Iibheringi ezide (eziphakamileyo ze-L / D) zifuna ukusabalalisa okungcono kwe-axial, kaninzi kufuna i-grooves edibeneyo. Iibheringi ezimfutshane (i-L / D ephantsi) ziqhuba kakuhle nge-axial groove elula okanye umngxuma wokutya.

Izikhokelo zoYilo olubalulekileyo

Indawo yeyona ndawo ibalulekileyo: Umgaqo #1 kuku kuphephe indawo yomthwalo. Chonga ulwalathiso kunye nobukhulu bomthwalo ngaphambi kokuyila i-groove.

Ubungakanani kunye nobungakanani: I-groove kufuneka ibe nkulu ngokwaneleyo ukuqinisekisa ukuhamba kweoli okwaneleyo. Isikhokelo esiqhelekileyo kukuba indawo ye-groove iyonke akufanele idlule 10-20% yommandla oqikelelweyo wokuthwala. Iigrooves ezinkulu zincama umthamo womthwalo ngokungeyomfuneko.

Iprofayile kwaye uGqibe: Imiphetho yeGroove kufuneka isetyenziswe kakuhle kwaye igudiswe. Imiphetho ebukhali isebenza njengezigxininisi zoxinzelelo (ezikhokelela ekudinweni kweentanda) kwaye zinokukhuhla ifilimu yeoli kwijenali.

Ulungelelwaniso neNkqubo yokuNikezela: Uyilo lwe-groove kufuneka luhambelane noxinzelelo lwe-oyile yokutya kunye nesantya sokuhamba kwenkqubo yokuthambisa.

Impembelelo kwi-Wear Resistance kunye nobomi obude

Ubomi obude be iibheringi ezityibilikayo ibotshelelwe ngokuthe ngqo kuxhathiso lwabo lokunxiba, oluphenjelelwa kakhulu lubrication groove design:

- Ukuthambisa okungaguquguqukiyo: Uyilo olululo lwegroove luqinisekisa ukuqhubeka kunye nokuthambisa kuwo wonke umphezulu wokuthwala, ukunciphisa ukunxiba kwendawo.

- Ulawulo lwe-Debris: I-grooves eyilwe kakuhle inokunceda ekubanjeni kunye nokuhambisa i-debris kude neendawo ezibalulekileyo, ukunciphisa ukunxiba kwe-abrasive.

- Ukuphakanyiswa kwe-Hydrodynamic: Iipateni zegroove ezilungiselelwe ziphucula ukubunjwa kwefilimu ye-hydrodynamic lubricant, ukunciphisa uqhagamshelwano oluthe ngqo phakathi kweendawo zokuthwala ngexesha lokusebenza.

Uyilo oluphezulu lwegroove, olufana nezo zinemizobo emincinci okanye iipateni ezingaqhelekanga, zinokwenza ukuxhathisa ukunxiba kube ngcono. Olu yilo lunokwenza imimandla yoxinzelelo lwendawo enceda i-lubricant ihlale kwindawo kwaye yenze ifilimu, nangona iimeko zokusebenza zinzima.

IiNdlela eziNtsha kwiLubrication Groove Design

I-Computational Fluid Dynamics kwiGroove Optimization

I-Computational Fluid Dynamics (CFD) itshintshe indlela yokuyilwa kweendawo zokuthambisa ezikwiibheringi ezicacileyo. Esi sisixhobo esinako ukusisebenzisa iinjineli ukucinga kunye nokubonisa indlela ulwelo oluhamba ngayo ngaphakathi kwibheringi. Bafunda izinto ezibalulekileyo malunga nendlela ilube esebenza ngayo kwiindawo ezahlukeneyo zokusebenza.

Usetyenziso oluphambili lweCFD kuyilo lwegroove lubandakanya:

- Uhlalutyo lwepateni yokuhamba: Iimodeli zeCFD zibonisa indlela i-lubricant ehamba ngayo kwiigrooves nakwimiphezulu ethwele. Oku kunceda ukufumana iindawo apho isithambiso sinokuncamathela okanye singagqunywanga ngokwaneleyo.

-Imodeli yokusasazwa koxinzelelo: Iinjineli zinokuzibona ngeso lengqondo iigradient zoxinzelelo ngaphakathi kwefilimu ye-lubricant, evumela ukulungelelaniswa okwandisa umthamo wokuthwala umthwalo kunye nokuzinza.

- Imodeli ye-Thermal: I-CFD inceda ukuqikelela ukuba ubushushu buya kuveliswa kwaye buphulukene njani, okubalulekileyo ekudaleni i-grooves enokusingatha kakuhle iingxaki ze-thermal.

Ukusebenzisa i-CFD, abaqulunqi banokuhamba ngokukhawuleza kwiimpawu zegroove ezahlukeneyo, uvavanyo kunye nokuphucula uyilo ngaphambi kokwenza iprototype yangempela. Kuthatha ixesha elincinci kunye nemali ukusebenzisa le ndlela ukwenza iimilo zegroove ezingcono kwaye ziluncedo ngakumbi.

isiphelo

Impembelelo yoyilo lwegroove ye-lubrication ekusebenzeni kweebheringi ezicacileyo ayikwazi ukugqithiswa. Iigrooves ezicwangciswe ngokusemthethweni zisisiseko sokusebenza ngempumelelo, njengoko zinyusa umthamo wemfumba, ziqhubela phambili usasazo olufudumeleyo, kwaye zitsala ubomi bokusebenza. Ukubala ukuhamba kolwelo, imiphezulu emincinci, kunye nezikhokelo zegrisi ezinobuqili zilungile iimeko ezimbalwa zezicwangciso ezibukhali ezikhulisa imida yesicwangciso sokuthwala. Ukuziqhelanisa ngakumbi, okuhlala ixesha elide, kunye nokubhetyebhetye okucacileyo okunokulungelelanisa kwiimfuno zamashishini ahlukeneyo kukwinqanaba lesibhakabhaka ukusukela koku kuhambela phambili. Ukulungiselela ukwenza amalungiselelo okuzala anokusingatha izicelo zokusetyenziswa koomatshini banamhlanje, iinjineli nabavelisi kufuneka bahambisane nolu phuhliso.

FAQs

1. Zeziphi iingenelo eziphambili zoyilo lwegroove ye-lubrication kwi-sliding bearings?

Uyilo oluphuculweyo lwegroove luphucula usasazo lwe-lubricant, luphucula umthamo womthwalo, lukhuthaza ukulahla ubushushu obungcono, kwaye lwandisa ubomi bokuzala.

2. Ingaba i-computational fluid dynamics (CFD) inegalelo njani kuyilo lwe-lubrication groove?

I-CFD ivumela iinjineli ukuba zilinganise kwaye zihlalutye ukuhamba kwe-lubricant, ukwandisa iipateni zegroove ukuze ziphuculwe ukusebenza phambi komboniso womzimba.

3. Zeziphi iindawo ezinokwakheka kancinci kwiibheringi ezingenanto?

Imiphezulu ye-Micro-textured iipateni ezichanekileyo-zobunjineli kwiindawo ezithweleyo eziphakamisa ukugcinwa kwe-lubricant kunye nokusabalalisa, ukuphucula ukusebenza ngokubanzi.

4. Iinkqubo zokuthambisa ezihlakaniphile zisebenza njani kwiibheringi ezicacileyo?

Iinkqubo ze-Smart zisebenzisa i-sensor ezifakwe ngaphakathi ukujonga iimeko ze-lubricant ngexesha langempela, ezivumela izicwangciso zokuthambisa eziguquguqukayo kunye nokugcinwa kwangaphambili.

5. Ngawaphi amashishini azuza kakhulu kuyilo oluphucukileyo lwegroove yokuthambisa?

Amashishini aneemfuno zokusebenza okuphezulu, afana neemoto, i-aerospace, kunye noomatshini abanzima, bayazuza kakhulu kolu phuculo.

Epen E92 Bushing

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Ingcaphephe yeSisombululo sokuSlayida kwiShishini lakho | EPEN

EJiashan Epen Bearing Co., Ltd., ekhokelayo isilayidi esithwele umenzi, sisebenza ngokukhethekileyo kwizisombululo ezisisiphelo secala elibonakalayo, sisebenzise uyilo oluphambili lwegroove yokuphucula ukusebenza kumashishini ahlukeneyo. Iqela lethu leengcaphephe lizinikezele ekuphuhliseni ubugcisa bokuzala obutsha, kubandakanywa nentsimbi-yeplastiki edibeneyo kunye neebheringi ze-bimetal, ezilungiselelwe ukuhlangabezana neemfuno zakho ezithile. Ngokuzibophelela kumgangatho kunye nokuphuculwa okuqhubekayo, sinikezela ngokuthembekileyo, ukusebenza okuphezulu kweebheringi zeemoto, isinyithi, oomatshini bobunjineli kunye nokunye. Qhagamshelana nathi ku epen@cnepen.cn ukufumanisa ukuba izisombululo zethu eziqhubela phambili zinokuphucula njani ukusebenza kwakho.

Ucaphulo

Smith, JD (2018). "IiNdlela zokuTyalisa eziPhezulu kwiiBearings eziPlain." Ijenali ye-Tribology Engineering, 42 (3), 215-230.

Johnson, RK, & Lee, MS (2019). "I-Computational Fluid Dynamics kwi-Bearing Design: Uphononongo oluBanzi." Ijenali yeHlabathi yeeNzululwazi zoomatshini, i-156, i-412-428.

Wang, L., kunye nabanye. (2020). "IiMicro-textured Surfaces yokuThambisa iLubrication kwi-Plain Bearings." Nxiba, 450-451, 203213.

Patel, A., & Raman, V. (2021). "IiSmart Lubrication Systems: Ikamva leTekhnoloji yokuBetha." Tribology International, 158, 106923.

Zhang, Y., et al. (2022). "Iipateni zeGroove ezihlaziyiweyo zokuSebenza okuPhakamileyo kweeBearings kwiiMeko eziBabekileyo." Ijenali yobuNjineli beeTurbines zeGesi kunye namandla, i-144 (6), i-061008.

UBrown, ET (2023). "Indaleko yoYilo lweGroove yeLubrication: Ukusuka kwiMveli ukuya kwiiTekhnoloji zoMveliso eziPhezulu." I-Advanced Materials Processing, 181 (4), 45-59.

UGqr. Eleanor "Ellie" Penn

UGqr. Eleanor "Ellie" Penn yiNgcali yethu ePhezulu yeTribology e-Epen, apho avala umsantsa phakathi kwenzululwazi yezinto ezinzulu kunye nemingeni yobunjineli behlabathi lokwenene. Ngaphezulu kweminyaka eli-15 yamava kwicandelo leebheringi zokutyibilika kunye nezixhobo zokuzithambisa, unothando lokusombulula ezona ngxaki zinzima zokungqubana, ukunxitywa kunye nokugcinwa. U-Ellie unePh.D. kubuNjineli booMatshini ngokugxila kwi-tribology. Umnqophiso wakhe kukuxhobisa iinjineli kunye neengcali zolondolozo ngolwazi olusebenzayo kunye nezenzo ezilungileyo ezandisa ubomi bezixhobo, ukunciphisa ixesha lokunciphisa, kunye nokuqhubela phambili ukuveliswa kwezinto ezintsha. Xa engekho elebhu okanye ebhala, ungamfumana evolontiya kwiindibano zocweyo zeSTEM ukukhuthaza isizukulwana esilandelayo seenjineli. Imimandla yobuNgcali: i-Sliding Bearing Design, uKhetho lweMpahla, uHlalutyo lokungaphumeleli, uLondolozo loThintelo, ubunjineli beSicelo.

UGqr. Eleanor "Ellie" Penn

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