Ukukhethwa kweebheringi kuchaphazela ngokuthe ngqo ukusebenza koomatshini, ukusetyenziswa kwamandla, kunye neendleko zizonke zobunini kumacandelo emizi-mveliso. Ukusilela okunxulumene neebheringi kuphakathi kwezizathu eziphambili zokungasebenzi kakuhle kweemoto zombane kwiindawo zokwenza iimveliso kwihlabathi liphela.Isebe lezaMandla laseMelikaichonge ukuwohloka kweebheringi njengento ephambili ekulahlekelweni kokusebenza kakuhle kwenkqubo yeemoto, imisela iinkcukacha ezichanekileyo zeebheringi njengesigqibo esibalulekileyo sobunjineli sokuthembeka kwezixhobo.
Ukukhetha uhlobo olufanelekileyo lwe-ball bearing kunciphisa amaxesha okugcinwa kwaye kwandisa ubomi benkonzo yezixhobo kumatshini wemizi-mveliso, weemoto, kunye nowezolimo. Esi sikhokelo sibonelela ngothelekiso olucwangcisiweyo lweendidi ze-ball bearing, ukhetho lwezinto eziphathekayo, ulwahlulo oluchanekileyo, kunye neendlela zokukhetha ezisebenzayo zeenjineli kunye neengcali zokuthenga.
Ukuqonda Izinto Ezisisiseko Zokuthwala Ibhola
I-ball bearing yi-rolling-element bearing esebenzisa iibhola ezingqukuva ukugcina ukwahlukana phakathi kwezinto ezijikelezayo nezimiyo. Ii-ball bearing zinciphisa ukungqubana okujikelezayo kwaye zixhasa imithwalo ye-radial kunye ne-axial ngexesha lokusebenza.Umbutho Wezizwe Ngezizwe Wokumisela Imigangathoichaza iimfuno zobukhulu kunye nomgangatho weebheringi eziqengqelekayo phantsi kweenkcukacha ze-ISO 15 kunye ne-ISO 492, ezisebenza njengemigangatho ephambili yesalathiso sokwenziwa kweebheringi zebhola zehlabathi kunye nolawulo lomgangatho.
Iindlela zokunxibelelana kwenqaku zichaza ukusebenza kokuthwala ibhola: ibhola nganye engqukuva iqhagamshelana nendlela yokugijima kwindawo enye endaweni yokuba iqhagamshelane nomgca. Ukunxibelelana kwenqaku kuvelisa ukungqubana okuphantsi xa kuthelekiswa noyilo lokunxibelelana komgca olusetyenziswa kwiibheringi ezijikelezayo, nto leyo eyenza iibheringi zebhola zifaneleke kwizicelo zesantya esiphezulu apho ukunciphisa ukuveliswa kobushushu kubalulekile ukuze kusebenze ngokuthembeka.
Iiparameters zeNtsebenzo eziphambili zoKhetho lweeBheri zeBhola
Iinkcukacha ezintathu eziphambili zimisela ukuba ingaba ibhereyitha yebhola iyahambelana na nesicelo esithile. Iinjineli kufuneka zivavanye ezi parameters ngokuthelekisa neemfuno zokusebenza ngaphambi kokuba zichaze imodeli yebhereyitha yebhola kuyo nayiphi na uyilo loomatshini.
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Uvavanyo lomthwalo olutshintshayo ©:Umthwalo we-radial ohlala uhleli omelezwa yi-ball bearing kangangezigidi ezi-1 zeenguqu kunye nethuba lokusinda eliyi-90%. Uvavanyo lomthwalo oluguquguqukayo lusisiseko sokubala ubomi bokuthwala phantsi kwendlela eqhelekileyo ye-ISO 281.
- Uvavanyo lomthwalo ozinzileyo (C0):Umthwalo ophezulu omelezwa yibheri yebhola ngaphandle kokuguqulwa kwendlela yomdyarho ngokusisigxina. Ukudlula i-C0 kubangela umonakalo we-brinelling kumphezulu wendlela yomdyarho ongenakuguqulwa kwaye ufuna ukutshintshwa ngokupheleleyo kweebheri.
- Uvavanyo lwesantya (n):Isantya esiphezulu sokujikeleza apho ukusebenza kwebhereyitha yebhola kuhlala ngaphakathi kwemida yobushushu eyamkelekileyo, edla ngokubonakaliswa ngokujikeleza ngomzuzu (RPM).
IIsebe lezaMandla laseMelikaamaxwebhu aphucule iinkcukacha zeebhereyitha zebhola kunye neendlela zokuthambisa ezichanekileyo anokuvelisa inzuzo yokusebenza elinganisekayo kwiinkqubo eziqhutywa ziimoto, ingakumbi kwimisebenzi yemizi-mveliso eqhubekayo apho iindleko zamandla ziqokelelana kwiiyure zokusebenza ezongeziweyo.
Iintlobo zeBhola eziphambili kunye nezicelo
Imakethi yehlabathi yokuthwala iibhola yayixabisa malunga ne-$128 yezigidigidi ngo-2024 kwaye iyaqhubeka nokukhula kumacandelo emizi-mveliso, eemoto, kunye neenqwelo-moya. Ukukhetha uhlobo olufanelekileyo lokuthwala iibhola kwiindidi ezikhoyo kufuna ukufanisa indlela yomthwalo, iimfuno zesantya, kunye neemeko zokusingqongileyo kunye nobuchule bokuyila iibhola.
| Uhlobo lokuthwala | Isikhokelo soMthwalo | Uvavanyo lwesantya | Izicelo eziqhelekileyo |
|---|---|---|---|
| Ukuthwala iBhola eNzulu yeGroove | I-Radial + I-Axial eKhanyayo | Phezulu kakhulu | Iimoto zombane, iimpompo, iifeni |
| I-Angular Qhagamshelana neBhola yoKuthwala | I-Radial edibeneyo/i-Axial | Phezulu | Izixhobo zoomatshini, iibhokisi zegiya |
| Ukuthwala Ibhola Ozilungelelanisayo | I-Radial + I-Axial eKhanyayo | Iphakathi | Iinkqubo zokuhambisa impahla, oomatshini belaphu |
| Ukuthwala Ibhola Elahliweyo | I-Axial Kuphela | Ephantsi ukuya kwePhakathi | Iinkqubo zokuqhuba, imingxunya ethe nkqo |
| Ukuthwala Ibhola Elinemigca | Intshukumo Ehamba Ngomgca | Phezulu | Oomatshini be-CNC, izikhokelo ezithe ngqo |
Uhlobo ngalunye lwebhereyitha yebhola lujongana neemfuno ezithile zokusebenza. Ezi ziqendu zilandelayo zichaza iimpawu zoyilo, amandla omthwalo, kunye nemida yokusetyenziswa kweendidi zebhereyitha yebhola ezichazwe rhoqo.
Iibheringi zeBhola eNzulu yeGroove: Uyilo kunye nezicelo
Iibheringi zebhola ezinzuluZimela uhlobo lwebhola oluveliswa kakhulu kwimveliso yehlabathi. Ezi bearing zibonisa imijelo enzulu yendlela yokugijima eqhubekayo kwizangqa zangaphakathi nezangaphandle, nto leyo evumela iyunithi enye ye-bearing ukuba ikwazi ukuthwala imithwalo ye-radial kunye nemithwalo ye-axial ejikelezayo ngaxeshanye.
Ubulula besakhiwo see-deep groove ball bearings buvumela ukwenziwa okuchanekileyo okuphezulu ngeendleko zemveliso ezikhuphisanayo. Ifumaneka kwiindlela ezivulekileyo, ezikhuselweyo (ZZ), kunye nezitywiniweyo (2RS), ii-deep groove ball bearings zikhonza iindawo ezahlukeneyo zokusebenza. Iindidi ezikhuselweyo nezitywiniweyo zibonelela ngokhuseleko lokungcola olubalulekileyoukuthwala kwezolimousetyenziso apho uthuli, inkunkuma, kunye nokuchatshazelwa kokufuma kwenzeka rhoqo ngexesha lokusebenza kwentsimi.
Iimoto zombane, izixhobo zasekhaya, izixhobo zezolimo, kunye neepompo zoshishino zibangela uninzi lokusetyenziswa kweebhereyitha zebhola ezinzulu kwihlabathi liphela.Umbutho weeNjineli zeeMotoiireferensi iinkcukacha zokusebenza kwe-deep groove ball bearing kwimigangatho emininzi elawula iinkqubo zokuhambisa umbane kwiimoto nakwimizi-mveliso.
Iibheringi zeBhola zoQhagamshelwano ze-Angular zokulayisha okuDibeneyo
Iibheringi zebhola zoqhagamshelwano ze-angular zenziwe ngeendlela zomdyarho ezilungiselelwe ukuze umgca wamandla kwiibhola wenze i-engile echaziweyo ngokumalunga ne-axis yokuthwala. Ii-engile zoqhagamshelwano eziqhelekileyo ziquka i-15°, 25°, kunye ne-40°. Ii-engile zoqhagamshelwano eziphezulu zonyusa umthamo womthwalo we-axial kodwa ngokulinganiselayo zinciphisa umthwalo we-radial olinganisiweyo ibheringi yebhola enokuwuthwala.
Iibheringi zebhola zoqhagamshelwano ze-angularZihlala zisebenza ngaxeshanye zilungelelaniswe ngababini okanye zibekwe ndawonye ukuze zilawule amandla e-axial ajikelezayo ngaphakathi kwenkqubo yeshaft enye. Iispindle zezixhobo zomatshini, iicompressor ze-centrifugal, kunye neebhokisi zegiya ezichanekileyo zisebenzisa ii-angular contact ball bearings apho ukulayisha okudibeneyo kuyimfuneko yoyilo oluqikelelweyo. Xa kuthelekiswa neentlobo ze-groove enzulu, ii-angular contact ball bearings zinika ukuqina okuphezulu kwenkqubo kunye nokuchaneka okuphuculweyo kokubeka ishaft.
Apho usetyenziso lufuna zombini ukuqina kwe-axial kunye nesantya esiphezulu sokujikeleza, iibheringi zebhola zoqhagamshelwano ze-angular zihlala zisebenza njengendlela eyahlukileyo.i-roller bearing enciphileyouyilo, olubonelela ngokungqubana okuncinci kunye nokuveliswa kobushushu okuncitshisiweyo kumanqanaba omthwalo alinganayo.
Indlela ii-Thrust Ball Bearings eziLawula ngayo imithwalo ye-Axial
Iibheringi zebhola ezithululwayo zenzelwe ngokukodwa ukuxhasa umthwalo we-axial kwaye azikwazi ukuthwala imithwalo ye-radial phantsi kwayo nayiphi na imeko yokusebenza. Iibheringi zebhola ezithululwayo ezijolise kwicala elinye zixhasa amandla e-axial kwicala elinye, ngelixa iintlobo ezijolise kwicala elinye zilawula imithwalo ye-axial ejolise kwicala elinye ngeeseti zebhola ezahlukeneyo kunye neendibano zendlela yokugijima.
Iibheringi zebhola ezityhalwayokufuneka zidibene nee-radial bearings kwizicelo ezibandakanya zombini amandla e-axial kunye ne-radial.I-American Society for Testing and MaterialsIbonelela ngeendlela zovavanyo ezisemgangathweni zovavanyo lokusebenza kwebhereyitha, egubungela umthamo womthwalo, ubomi bokudinwa, kunye nokuqinisekiswa kokuchaneka kobukhulu.
Izicelo eziqhelekileyo ziquka iinkqubo ze-clutch zeemoto, ii-vertical pump shafts, ii-crane hoists, kunye neendlela zokuqhuba ii-elevator. Kwisicelo ngasinye, i-thrust ball bearing idlulisela amandla e-axial kwi-axis ye-shaft ngelixa i-radial bearing iphatha imithwalo ethe nkqo, idala inkqubo ye-dual-bearing ejongana neemfuno zamandla eziya kwicala elinye.
Ukuthelekiswa kwezinto ezithwala ibhola: Intsimbi, iStainless, kunye neCeramic
Ukukhethwa kwezinto kuchaphazela ngokuthe ngqo umthamo womthwalo weebhereyitha zebhola, uluhlu lobushushu bokusebenza, ukumelana nokugqwala, kunye nobomi benkonzo obulindelekileyo. Le theyibhile ilandelayo ithelekisa iindidi ezintathu eziphambili zezinto ezisetyenziswa ekuvelisweni kweebhereyitha zebhola kuzo zonke iiparameter zokusebenza eziphambili.
| Izinto eziphathekayo | Ubulukhuni (HRC) | Ubushushu Obuphezulu | Ukumelana nokugqwala | Iindleko ezithelekisekayo |
|---|---|---|---|---|
| Intsimbi yeChrome (GCr15) | 60–65 | 120°C | Umgangatho | Isiseko |
| Ukuthwala Ngentsimbi Engagqwaliyo | 55–60 | 250°C | Iphakathi | 2–3x |
| Ukuthwala iCeramic(Si3N4) | 75–80 | 800°C | Phezulu | 8–12x |
Intsimbi yeChrome (GCr15) ihlala iyeyona nto iqhelekileyo kwiibheringi zebhola ezisetyenziswa ngokubanzi ngenxa yobunzima bayo, ukumelana nokudinwa, kunye nokusebenza kakuhle kweendleko. Iinkqubo ezikhethekileyo zifuna ezinye izixhobo zokuthwala xa iimeko zokusebenza zigqitha amandla ezinto zentsimbi yechrome ezisemgangathweni.
Iibheringi zeBhola zeCeramic zezicelo ezikhawulezayo
Iibheringi zebhola ze-ceramic ezidityanisiweyo zidityaniswe nezinto zokuqengqeleka ze-silicon nitride (Si3N4) kunye neendlela zomdyarho wentsimbi. Iibhola ze-silicon nitride zibonisa uxinano oluphantsi malunga nama-40% kuneebhola zentsimbi, nto leyo enciphisa kakhulu umthwalo we-centrifugal ngesantya esiphezulu sokujikeleza. Izinto zokuqengqeleka ze-ceramic zibonelela ngeempawu zokuthintela umbane, zithintela umonakalo wemingxuma yombane kwizicelo zeemoto eziqhuba ii-variable-frequency.
IIZiko leSizwe leMigangatho kunye neTekhnolojiUphande ngezinto zokubeka i-ceramic kwizicelo zokwenziwa eziphambili, ebhala phantsi iingenelo zezinto ezibonakalayo ze-silicon nitride kuneentsimbi ze-bearing zesiqhelo. Iziphumo zophando ziqinisekisa ukuba ii-hybrid ceramic ball bearing zifikelela kubomi benkonzo ende kwiindawo zokusebenza ezikhawulezayo nezishushu kakhulu xa kuthelekiswa nezinye iindlela zentsimbi.
Iibheringi zeBhola zeNtsimbi Engagqwaliyo zeNdawo eziGcobayo
Iibheringi zentsimbi engatyiwayoeyakhiwe ngentsimbi ye-AISI 440C inika ukumelana nokugqwala okuphuculweyo kwizicelo ezibandakanya ukufuma, ukuvezwa ngamakhemikhali, okanye iimfuno zococeko. Amashishini okulungisa ukutya, izixhobo zonyango, ezolwandle, kunye nezokucubungula amachiza achaza iibheringi zebhola zentsimbi engagqwaliyo ukuthintela ukungaphumeleli okubangelwa kukugqwala kwangaphambi kwexesha.
Nangona iibheringi zebhola zentsimbi engagqwaliyo zinika ubulukhuni obuphantsi xa kuthelekiswa nentsimbi ye-chrome, inzuzo yokumelana nokugqwala kwiindawo ezinobundlongondlongo iqinisekisa ukukhethwa kwezinto. Ubomi bokuthwala kwiimeko ezivezwe ziikhemikhali ngenye indlela bungancitshiswa yi-oxidation okanye ukuhlaselwa ziikhemikhali kwiindawo ezisemgangathweni zeebheringi zentsimbi ye-chrome.
Isikhokelo soKhetho lweeKlasi zoLungiso lweBhola
Ukuchaneka kwebhereyitha yebhola kuhlulwe phantsi kwenkqubo ye-ABEC (i-Annular Bearing Engineers' Committee), ukusuka kwi-ABEC 1 ukuya kwi-ABEC 9. Amaxabiso aphezulu e-ABEC abonisa ukunyamezelana okuqinileyo kokwenziwa kwemveliso kwi-geometry yendlela yokugijima, ukujikeleza kwebhola, kunye nobukhulu beringi. Ukukhethwa kweklasi yokuchaneka ngokuchanekileyo kuxhomekeke kwisantya esithile, ukuchaneka, kunye neemfuno zokungcangcazela zesicelo esijolise kuso.
| Iklasi ye-ABEC | Ityala Eliqhelekileyo Lokusetyenziswa | Ukugqitywa komphezulu weRaceway (μm Ra) |
|---|---|---|
| I-ABEC 1 | Oomatshini ngokubanzi, abathuthi | 0.32–0.63 |
| I-ABEC 3 | Iimoto zombane, izixhobo zezolimo | 0.20–0.32 |
| I-ABEC 5 | Izixhobo zoomatshini, iimpompo zokuchaneka | 0.12–0.20 |
| I-ABEC 7 | Iispindles ezikhawulezayo, izixhobo zokusebenza | 0.08–0.12 |
| I-ABEC 9 | Iinkqubo zeenqwelo-moya, ezichanekileyo kakhulu | ≤0.05 |
Ukukhetha udidi olunebhola echanekileyo ngokungeyomfuneko kwandisa iindleko zokuthenga ngaphandle kokubonelela ngeenzuzo zokusebenza ezilinganayo.ibheri yemotoiinkcukacha kwizicelo eziqhelekileyo zoshishino, i-ABEC 3 idla ngokuhlangabezana neemfuno zokusebenza zenqanaba lengxolo kunye nokuchaneka kokujikeleza.
Kwizicelo ezifuna ukungcangcazela okuncinci kunye nokubekwa ngokuchanekileyo kweshaft—ezifana namaziko oomatshini akhawulezayo kunye nezixhobo zokulinganisa ngokuchanekileyo—iiklasi ze-ABEC 7 okanye ngaphezulu zokubethela ibhola ngokuchanekileyo ziyafuneka ukuze kufezekiswe iimpawu ezamkelekileyo zokubaleka kunye nomgangatho wokugqitywa komphezulu kwiindawo ezisetyenzisiweyo.
Iindlela ezilungileyo zokutywina kunye nokuthambisa iibhola
Izitywino zeebheri kunye neekhaka zeebheri zikhusela izinto zangaphakathi zeebheri kwiingcoliseko kwaye zigcina i-lubricant ngaphakathi komngxuma weebheri. Ulwakhiwo lwezitywino ezimbini eziphambili zibonelela ngeemfuno ezahlukeneyo zokusebenza kuyilo lweebheri zeebheri kuzo zonke izicelo zoshishino.
Izitywino zoqhagamshelwano (2RS):Imilebe yerabha yeNitrile (NBR) okanye irabha yefluoro (FKM) igcina unxibelelwano oluqhubekayo nomphezulu weringi yangaphakathi ngexesha lokujikeleza. Izitywino zoqhagamshelwano zikhupha ngempumelelo uthuli, umswakama, kunye neengcoliseko ezincinci ngaphakathi kwebhereyitha yebhola. Ukungqubana okubangelwa kuqhagamshelwano lwebhereyitha kunciphisa isantya esiphezulu sokusebenza malunga nama-20-30% xa kuthelekiswa nolwakhiwo lwebhereyitha yebhola evulekileyo okanye ekhuselweyo.
Izikhuselo ezingachukumisiyo (ZZ):Izikhuselo zesinyithi zigcina umsantsa omncinci wokuvula kunye neringi yangaphakathi, zivumela isantya esiphezulu sokujikeleza kunye nokungqubana okuncinci kokusebenza. Iibheringi zebhola ezikhuselweyo zikhusela ekungcolisweni kwamasuntswana amakhulu kodwa azithinteli ukungena kwamasuntswana amancinci okanye ukufuma kwiindawo ezifumileyo okanye ezinothuli.
IUmbutho weengcali zeTribologists kunye neenjineli zokuthambisaichaza ukuthambisa okungafanelekanga—kuquka ukuthambisa kakhulu, ukuthambisa ngaphantsi, kunye nongcoliseko lwezithambiso—njengento ephambili ebangela ukusilela kwangaphambi kwexesha kweebhereyitha zebhola kumatshini wezemveliso. Ukukhetha ngokuchanekileyo ithambiso, ubungakanani bokuzalisa obufanelekileyo, kunye nokuthintela ungcoliseko kubalulekile ekufezekiseni ubomi benkonzo elinganisiweyo kuyo nayiphi na indawo yokufaka iibhereyitha zebhola.
Imibuzo ebuzwa qho
Yintoni umahluko phakathi kweebheringi zebhola kunye neebheringi zerola kwizicelo zomthwalo?
Iibheringi zebhola zisebenzisa izinto eziqengqelekayo ezingqukuva ezidibana neendlela zomdyarho kwindawo enye, zivelisa ukungqubana okuphantsi kwaye zixhasa isantya esiphezulu sokujikeleza. Iibheringi zerola zisebenzisa izinto ezisilinda okanye ezithambileyo ezidala unxibelelwano lomgca neendlela zomdyarho, nto leyo evumela amandla aphezulu omthwalo kwisantya esiphezulu esincitshisiweyo. Iinjineli zikhetha phakathi kweebheringi zebhola kunye neebheringi zerola ngokusekelwe ekubeni usetyenziso lubeka phambili ukusebenza kakuhle kwesantya okanye amandla okuthwala umthwalo.
Iinjineli zibala njani ubomi bokuthwala ibhola kuyilo loomatshini?
Ukubalwa kobomi bokudinwa kwebhereyitha yebhola kulandela indlela eqhelekileyo ye-ISO 281. Iinjineli zibala umthwalo olinganayo webhereyitha osuka kwi-radial kunye ne-axial forces ezisetyenzisiweyo, emva koko zichonge ubomi be-L10—inani leenguqu apho i-90% yabemi bebhereyitha yebhola isinda phantsi komthwalo obaliweyo. Iiyure zokusebenza ezifunekayo mazibe ngaphakathi komlinganiselo we-L10 obaliweyo ukuze kusebenze oomatshini ngendlela ethembekileyo.
Idlala yiphi indima i-bearing preload kwiinkqubo ze-angular contact ball bearing?
Ukulayisha kwangaphambili kweebheringi kusebenzisa amandla e-axial alawulwayo ukuphelisa ukuvuleka kwangaphakathi ngaphakathi kwezicwangciso zeebheringi zebhola zoqhagamshelwano ze-angular. Ukulayisha kwangaphambili okufanelekileyo kwandisa ukuqina kwenkqubo, kunciphisa ukugeleza kweshaft, kwaye kuthintele ukutyibilika kwebhola ngesantya esiphezulu sokujikeleza. Ukulayisha kwangaphambili okugqithisileyo kuvelisa ukungqubana okongezelelweyo kunye nobushushu, okukhawulezisa ukudinwa kweebheringi zebhola. Ubukhulu bokulayisha kwangaphambili kufuneka buhambelane nesantya sokusetyenziswa kunye neemfuno zokuqina.
Iibheringi zebhola mazigcinwe njani ngaphambi kokuba zifakwe ukuze kuthintelwe umonakalo?
Iibheringi zebhola zifuna ukugcinwa kwindawo ecocekileyo, eyomileyo, engenazinyikimo kumaqondo obushushu aphakathi kwe-15°C kunye ne-25°C. Ukupakisha kokuqala kufuneka kuhlale kuvaliwe de kufakwe ukuthintela ungcoliseko lomphezulu wendlela yokugijima. Ukugcinwa okungaphezulu kweenyanga ezili-12 kufuna ukuhlolwa kokuthintela umhlwa. Iibheringi zebhola akufuneki zibekwe kwiindawo ezimdaka okanye ziphathwe ngezandla ezingenanto okanye ezinamafutha ngexesha lenkqubo yokukhupha impahla.
Kunini apho ukuthambisa ngeoyile kufuneka kuthathe indawo yegrisi xa kusetyenziswa iibhola?
Ukuthambisa ngegrisi kuhambelana nemisebenzi emininzi eqhelekileyo yokuthwala iibhola ngenxa yeenkqubo ezilula zokulungisa kunye neempawu zokuvala ezisebenzayo. Ukuthambisa ngegrisi kuba yimfuneko xa isantya sokuthwala iibhola sidlula imida yobushushu begrisi—ngesiqhelo ngaphezulu kwamaxabiso e-DN angama-300,000—okanye xa ukusasazwa kobushushu kufuna ukujikeleza kolwelo, okanye xa ukusetyenziswa kubandakanya imijikelo eqhelekileyo yokuqalisa apho ioli inika ukwakheka kwefilimu yokuthambisa ehambelanayo kunegrisi.
Ixesha leposi: Epreli-09-2026