I-Hitachi excavator 4638433 zx870-3lc Upper Upper Roller / Track Carrier Roller Assy fektri / abavelisi bezixhobo ezingaphantsi kwesithuthi / CQC TRACK

Ubunjineli bokuGcina iiMoto ezingaphantsi kwesithuthi esifanelekileyo kwi-Hitachi ZX870-3LC Excavators: Uhlalutyo loBugcisa oluQinisekileyo lwe-Track Upper / Carrier Roller Assembly (Inombolo yeCandelo 4638433) kunye ne-Manufacturing Excellence ye-CQC TRACK

Umbhali: uJack
Umhla: Epreli 5, 2026

1. Isishwankathelo soBugcisa: Indima ebalulekileyo ye-Upper Roller kwi-Ultra-Class Mining Excavators

Irola ephezulu yetrekhi—ekwabizwa ngokuba yirola yokuthwala okanye irola ephezulu—licandelo elisisiseko kwisakhiwo setrekhi esingaphantsi kwetrekhi sayo nayiphi na i-excavator enzima. Ngokungafaniyo nayo irola esezantsi (esezantsi), ethwala ubunzima obupheleleyo bomatshini emhlabeni, irola ephezulu yenza umsebenzi owahlukileyo kodwa obalulekileyo ngokulinganayo: ixhasa icandelo lokubuyela kwetrekhi njengoko ihamba ukusuka kwi-drive sprocket ibuyela kwi-idler yangaphambili. Ibekwe phezulu kwisakhelo setrekhi, irola yokuthwala ithintela ukugoba okugqithisileyo kwetrekhi, ilawula ukutshintshatshintsha koxinzelelo ngexesha lokuhamba ngesantya esiphezulu kunye nokuhamba ngokujika, kwaye igcina ulungelelwaniso olufanelekileyo lwetrekhi ukuthintela ukuphazamiseka—ingakumbi okubaluleke kakhulu kwiimatshini ze-ultra-class ezingama-80-90 ezisebenza kwiindawo ezinkulu zemigodi kunye nezemigodi.

Kwabo basebenza ngee-excavator zeHitachi ZX870-3LC—umatshini we-ultra-class ongama-82,000–89,800 kg osetyenziswa kakhulu kwimigodi emikhulu, ukumba amatye, ukwakha okunzima, kunye nokufuduka komhlaba ngobuninzi—ukuthembeka kwendibano ye-track upper roller kuchaphazela ngokuthe ngqo ubomi be-track chain, ukulungelelaniswa kwe-undercarriage, kunye nokusebenza komatshini ngokubanzi. Idatha yeshishini ibonisa rhoqo ukuba izinto ze-undercarriage zimele inxalenye enkulu yeendleko zokugcinwa kwezixhobo zizonke, zenza izigqibo zokuthenga ezinolwazi ezibalulekileyo ekuphuculeni iindleko zizonke zobunini.

Olu papasho lubonelela ngovavanyo olupheleleyo lobuchwephesha lwenombolo yecandelo le-Hitachi OEM engu-4638433, emele indibano epheleleyo yerola ephezulu/yokuthwala i-track upper roller yeqonga elikhulu le-hydraulic excavator le-ZX870-3LC. Eli candelo likwahambelana ngokupheleleyo neHitachi ZX850-3, ZX870-5B/5G, ZX890-5A, EX1200-6, kunye namaqonga e-excavator anxulumeneyo kudidi lweetoni ezingama-80–90. Ingqwalasela ekhethekileyo ibekwe kwi-CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.), umenzi odityaniswe ngokuthe nkqo onamava angaphezu kwamashumi amabini eminyaka kwizixhobo eziphantsi kwesithuthi esinzima, kunye nesizathu sokuba isikhundla sayo njengomzi-mveliso womthombo sibalulekile kwiingcali zokuthenga zehlabathi ezifuna izixhobo ze-chassis ezikumgangatho we-OEM ngamaxabiso akhuphisanayo.

2. Iqonga leHitachi ZX870-3LC: Ubunjineli bezicelo zeMigodi egqithisileyo

2.1 Iinkcukacha zoMshini kunye neNdawo yokuSebenza

I-Hitachi ZX870 yimodeli ephambili kuthotho lwe-ZX oludumileyo lwe-Hitachi, olumele enye yezona zixhobo zokumba ezinkulu nezinamandla kakhulu kuluhlu. Ngokungafaniyo nezixhobo zokumba ezincinci okanye ze-midi ezenzelwe iindawo ezincinci, i-ZX870 yenzelwe ukwakhiwa okunzima, ukumba, kunye nemisebenzi emikhulu yokufuduka komhlaba. Uhlobo lwe-ZX870-3LC—apho i-"LC" imele uqwalaselo lwenqwelo ende kwaye i-"3" imele isizukulwana sothotho—yenzelwe ngokukodwa ukumba kunye nokumba okunzima kunye nokuzinza okuphuculweyo kwenqwelo engaphantsi kwesithuthi.

I-ZX870-3LC isebenza ngezi nkcukacha zilandelayo ziqinisekisiweyo:

Ezi milinganiselo zibonisa imeko yayo njengesixhobo esikhulu sokwemba esifuna indawo eyaneleyo yokuqhuba nokuthutha izinto.

2.2 Uqwalaselo lweSithuthi esingaphantsi kwenqwelo kunye nobungakanani beRoller yoMthwali

Isithuthi esingaphantsi kwe-ZX870-3LC senzelwe ukusetyenziswa kwemigodi enzima, sinomfanekiso wesakhelo sendlela esinzima esimile okwe-X, imiqadi emide eqinisiweyo, kunye nezinto eziphuculweyo zendlela ukuze zikwazi ukumelana nemithwalo enzima efunyanwa kwimigodi evulekileyo kunye nokugrumba imigodi. Uyilo lwesithuthi esingaphantsi kwe-ZX870-3LC luquka:

I-roller assembly ephezulu (iNombolo yeCandelo 4638433) ifakwe kwinxalenye ephezulu yesakhelo somzila, ibekwe phakathi kwe-idler yangaphambili kunye ne-drive sprocket, apho ixhasa ubunzima be-return track chain, iyikhokela ngendlela efanelekileyo, kwaye ithomalalisa ukushukuma okuthe nkqo ukukhusela isakhelo somzila kunye nee-main rollers.

3. Inombolo yeCandelo 4638433: Ukuchonga kunye noyilo olusebenzayo

3.1 Inombolo yeCandelo le-OEM kunye neSicelo

I-Hitachi 4638433 Track Upper Roller / Carrier Roller Assembly yinxalenye ye-undercarriage eyenziwe ngobuchule obuchanekileyo eyenzelwe ngokukodwa ii-Hitachi ZAX870, ZX870-3LC, ZX850-3, ZX870-5B/5G, ZX890-5A, kunye ne-EX1200-6 ezinkulu ze-hydraulic excavators. Le ndibano epheleleyo ye-upper roller yenzelwe ukunika ukulingana, imo, kunye nomsebenzi olinganayo ne-OEM, ngokutshintshana kwe-100% ngokweenkcukacha zokuqala zeHitachi.

Isikhundla se-4638433 sihambelana nemizobo yobunjineli kaHitachi, echaza ukunyamezelana okuchanekileyo, amanqanaba ezinto, iiparameter zonyango lobushushu, kunye neenkcukacha zokuhlanganiswa eziphuhliswe ngokuqinisekiswa okungqongqo komenzi wezixhobo zokuqala kunye neenkqubo zovavanyo lwasentsimini.

3.2 Uxanduva Lokusebenza

I-4638433 track upper roller assembly yenza imisebenzi emithathu ebalulekileyo echaphazela ngokuthe ngqo ubomi obude besithuthi esingaphantsi kwesithuthi:

1. Inkxaso yeTrack ephezulu kunye noThintelo lokuSag: Umsebenzi oyintloko we-carrier roller kukuxhasa icandelo elibuyayo (eliphezulu) le-track chain njengoko lihamba ukusuka kwi-drive sprocket libuyela kwi-front idler. Ngokuthintela ukusabeka kakhulu kwe-track, i-roller inciphisa ukungcangcazela ngexesha lokuhamba kwaye ithintele i-track chain ekunxibelelaneni nesakhelo se-track, nto leyo ebiya kukhokelela ekugugeni ngokukhawuleza nasekuphazamisekeni kwe-rail.

2. Ulawulo lweDynamic Tension kunye neSikhokelo seTrack: Ii-carrier rollers zinceda ukulawula ukutshintshatshintsha kwe-dynamic tension okwenzeka njengoko umatshini ukhawuleza, unciphisa isantya, okanye ujika. Lo msebenzi ubaluleke kakhulu ngexesha lokujika okubukhali kwiindawo zemigodi, apho umzila ophezulu ufumana amandla abalulekileyo asecaleni anokubangela ukuphuma kwesitimela ukuba awukhokelwanga ngokufanelekileyo. Uyilo lwe-double-flange lukhokela ngokukhuselekileyo ikhonkco le-track chain, luthintela ukutyibilika kwecala kunye nokubetheka okugqithisileyo ngexesha lokuhamba ngesantya esiphezulu.

3. Ukusasazwa koMthwalo kunye nokuFunxwa kweMpembelelo: Indibano yeroli ifunxa kwaye isasaze imithwalo evela ekushukumeni kwetsheyini yethrekhi kunye nokungalungelelani komhlaba, ikhusela isakhelo sethrekhi kunye nenkqubo yeroli ephambili kuxinzelelo olugqithisileyo kunye nokusilela kwangaphambi kwexesha.

3.3 Ukwahlulwahlulwa kweCandelo

IpheleleIndibano ye-roller ephezulu ye-Hitachi 4638433iqulathe la macandelo alandelayo:

Ingaphakathi le-carrier roller lisebenzisa isakhiwo se-labyrinth seal esidityaniswe ne-nitrile rubber oil seals ezivela kwamanye amazwe ukuze kuthintelwe ukuxinana kweebheringi okubangelwa kukungena kodaka nesanti—into ebalulekileyo kwiindawo zemigodi apho ungcoliseko olurhabaxa lungenakuphepheka.

4. Iinkcukacha zezinto kunye neMigangatho yoNyango loBushushu

4.1 Ukukhetha Izinto

Iindibano ze-premium track upper roller ze-Hitachi ZX870-3LC excavators zenziwe ngeentsimbi ze-alloy ezibunjiweyo ezikumgangatho ophezulu ezikhethwe ngenxa yamandla azo angaqhelekanga okuvelisa, ukuqina, kunye nokumelana nokuguguleka. Izixhobo eziphambili ezichazwe kwindibano ye-4638433 ziquka:

I-roller shaft yenziwe ngentsimbi ye-alloy ye-42CrMo, eyenzelwe ukuhamba kweenkozo okuphezulu, kunye nobunzima bonyango lobushushu bomphezulu obufikelela kwi-48–55 HRC ukuze kuthintelwe ukuguguleka okungaqhelekanga. Ubunzima obuphambili bugcinwa bungaphezulu kwe-HRC 28 ukuthintela ukwaphuka okubuthathaka phantsi kwemithwalo yempembelelo. Umzimba we-roller wenziwe ngentsimbi ye-alloy enekhabhoni ephezulu enokuqina okuhle, ukuqinisekisa ulwakhiwo olufanayo lweenkozo kunye nokususwa kwezithuba zangaphakathi ezinokukhokelela ekusileleni kwangethuba phantsi kwemisebenzi yokumba eqhubekayo.

4.2 Iinkcukacha zoNyango loBushushu

Ukusebenza kwe-track upper roller kuxhomekeke kakhulu kwiprofayili yayo yonyango lobushushu, nto leyo edala ulwakhiwo lobunzima be-gradient olulungiselelwe zombini ukumelana nokuguguleka kunye nokuqina kwempembelelo:

Umgca we-automation treatment automation usebenzisa iindlela eziphambili zokucima i-roller, ukuhlangabezana neemfuno zobugcisa ezingqongqo zezinto ezikumgangatho wemigodi. Umzimba we-roller uqiniswa kwaye uqiniswa ukuze kubekho amandla e-core, kudityaniswe nokuqina kwe-induction frequency ephezulu kumphezulu obalekayo ukuze kufunyanwe ubunzima bomphezulu we-HRC 55–60. Oku kudala i-case enzulu, engagugiyo ngelixa kugcinwa i-ductile, i-core efunxa ukutshayiswa ukuze kuthintelwe ukwaphuka okubuthathaka phantsi kwemithwalo enzima.

I-shaft ifakwa kwi-tempering kunye ne-medium-frequency surface quenching, kunye ne-CNC polishing echanekileyo emva kokugqitywa ukuqinisekisa ukuba umphezulu uthambile onciphisa ukungqubana kunye nokuguguleka kwe-seal.

4.3 Iinkcukacha zeBearing kunye neSealing

Indibano yeebheringi ineebheringi zerola eziphindwe kabini okanye iinkqubo ezinkulu ze-case-hardened bushing, ezenzelwe ukusingatha imithwalo edibeneyo ye-radial kunye ne-axial edibana nayo ngexesha lokuhamba, ukujika, kunye nemisebenzi yokujikeleza ngokuchaseneyo kwiimashini zeklasi ezingama-80–90 ton.

Inkqubo yokutywina enezigaba ezininzi edibeneyo idibanisa izinto ezintathu zokukhusela:

Olu lwakhiwo lokuqina lokutywina lubonelela ngomqobo obalulekileyo nxamnye nodaka, isanti, kunye nokufuma—izinto ezingcolisayo eziqhelekileyo kwiindawo zemigodi kunye neendawo zemigodi—okwandisa ubomi benkonzo kwaye kunciphisa amaxesha okugcinwa.

4.4 IiMetriki Zokusebenza kunye Nobomi Benkonzo

Ngovavanyo lokulinganisa umthwalo oluguquguqukayo, iirola zokuthwala ezisemgangathweni zibonisa ukuphuculwa komthamo wokuthwala umthwalo ukuya kuthi ga kwi-20%, zisasaza ngempumelelo uxinzelelo lwempembelelo xa umgxobhozi uhamba. Inkqubo yokucima umphezulu ojikelezayo kunye neendlela zokuthambisa ezifakwe ngaphakathi inciphisa kakhulu ukuguguleka okungaqhelekanga kwiimeko ezinzima zokusebenza ezifana nemigodi, yandisa ubomi benkonzo yesithuthi esingaphantsi komhlaba ngaphezulu kwe-30%.

5. I-CQC TRACK: Umvelisi okhethekileyo weeHitachi Undercarriage Components

5.1 Iprofayili yeNkampani kunye neLifa leMveliso

I-CQC TRACK, esebenza phantsi kwe-HELI MACHINERY MANUFACTURING CO., LTD., ngumvelisi ohlangene ngokuthe nkqo oseQuanzhou, eTshayina—ummandla owaziwa njengeqela eliphambili lokubonelela ngezixhobo zokuhambisa umhlaba kwihlabathi liphela. Yasekwa ngasekupheleni kweminyaka yoo-1990, i-HELI iguqukele ekubeni yenye yezona nkampani zithathu ziphambili zokuvelisa izixhobo ezingaphantsi komhlaba kummandla waseQuanzhou, iqela eliphambili lemizi-mveliso yokuvelisa oomatshini abanzima.

Ngamava angaphezu kweminyaka engama-20 yokuvelisa, i-HELI izibonakalise njengomthengisi okhethekileyo wezixhobo ze-crawler excavator chassis ezinzima, ekhonza abavelisi bezixhobo zokuqala (ii-OEM) zoomatshini bokwemba kwihlabathi liphela. Igama lophawu i-CQC TRACK lifanekisela izibophelelo ezintathu ezisisiseko: iinkqubo ze-Crawler, ukuqinisekiswa komgangatho, kunye nokuzibophelela ekuqineni phantsi kweemeko ezinzima nezinefuthe elikhulu ezifunyanwa kwimigodi, ukumba, kunye neeprojekthi ezinkulu zeziseko zophuhliso.

5.2 Iziqinisekiso zoMgangatho kunye neMigangatho

I-CQC TRACK isebenza phantsi kwesakhelo sokuqinisekisa umgangatho esineemigangatho emininzi, ibamba ukuqatshelwa kwenkqubo yomgangatho ye-ISO 9001:2015 kunye neziqinisekiso ezininzi zemveliso ye-CQC. Yonke into engaphantsi kwemoto ye-CQC TRACK yenziwe phantsi kweenkqubo eziqinisekisiweyo ze-ISO 9001:2015, kunye nokulandeleka okupheleleyo kwezinto ezivela kwizinto eziluhlaza ukuya ekuhlanganisweni okugqityiweyo. Njengomvelisi odityaniswe ngokuthe nkqo, i-HELI idibanisa ubuchule boyilo kunye nobunjineli kunye nophando olubanzi kunye nophuhliso, isebenzisa ubuchwepheshe bokuvelisa obuphambili ukuphuhlisa iimveliso ezintsha, ezinokuthenjwa, kunye nezikhuphisanayo ezihlangabezana nemigangatho ephezulu yomgangatho.

5.3 Amandla okuvelisa kunye noLawulo loMgangatho

Amandla okuvelisa e-CQC TRACK axhomekeke ekudibaneni okuthe nkqo ngokupheleleyo kunye neenkqubo ezilawulwayo zokulandelelana:

Ipotifoliyo epheleleyo yezixhobo ze-undercarriage ze-CQC TRACK ibandakanya iintambo zomkhondo, izihlangu, ii-sprockets, ii-idlers, ii-bottom rollers, kunye nee-carrier rollers—zenzelwe ngokukodwa ii-crawler excavators ezisetyenziswa kakhulu kwimigodi nasekwakhiweni kwihlabathi liphela. Le nkampani ibhale ukuhambelana kwe-cross-reference kwiimveliso zayo ze-undercarriage kwiimveliso ezahlukeneyo, kuquka iHitachi, iCaterpillar, iKomatsu, iDoosan, iVolvo, iXCMG, iSANY, kunye neLiugong.

5.4 Imodeli yeNkonzo ye-OEM kunye ne-ODM

I-CQC TRACK isebenzisa imodeli yenkonzo ezimbini evumela zombini iindawo ezitshintshiweyo ezisemgangathweni kunye nezisombululo zobunjineli ezenzelwe wena:

• Ukwenziwa kwe-OEM: Ukuveliswa kwezinto ngokweemfuno zabathengi, imizobo, kunye nemigangatho yomgangatho. Lo mzi-mveliso uxhotyiswe ngokudibeneyo okungenamthungo kwiikhonkco zobonelelo zehlabathi, ukubonelela ngemveliso ethembekileyo yeerola, ii-idlers, ii-sprockets, kunye nee-track links.
• Ubunjineli be-ODM: Uphuhliso oludibeneyo, uyilo, kunye nokuqinisekiswa kwezisombululo eziphuculweyo okanye ezenzelwe wena ngokupheleleyo zezithuthi ezingaphantsi komhlaba. Ngokusebenzisa amava amaninzi entsimi kunye nobuchule obunzulu bobuchwephesha kwi-metallurgy kunye ne-tribology kwiinkqubo zokulandelela, iqela lobunjineli lijongana ngokukhawuleza neendlela eziqhelekileyo zokusilela, linikezela ngoyilo oluphuculweyo oluphucula ukusebenza kunye nokunciphisa iindleko zizonke zobunini.

5.5 Ipotifoliyo yeMveliso yeHitachi

I-CQC TRACK yenza uluhlu olubanzi lwezinto ezisetyenziswa ngaphantsi kwesithuthi sasekhaya kwii-Hitachi excavators, kuquka iiplatifomu ze-ZX800, ZX850, ZX870, ZX890, kunye ne-ZX900. Izinto eziphambili ziquka:

Ii-roller assemblies ze-CQC TRACK ezisezantsi zeeplatifomu zokumba iimoto zeHitachi ZX850, ZX870, ZX890, kunye neZX900 zibhalwe kumaphepha amhlophe obuchwephesha apheleleyo abonelela ngeenkcukacha zokuchithwa kobunjineli kunye neenkcukacha zokwenziwa. Olu buchule bobunjineli bufanayo busetyenziswa kwi-4638433 upper roller assemblies, ukuqinisekisa umgangatho ohambelanayo kuyo yonke ipotifoliyo yecandelo le-undercarriage.

6. Ukufunyanwa kweMveliso ngqo: Iingenelo zoKhuphiswano

6.1 Isiphakamiso sexabiso leCandelo loNikezelo

Ukufumana i-Hitachi 4638433 track upper roller assembly ngqo kwi-source factory kunye nomenzi ofana ne-CQC TRACK kunika iingenelo ezahlukeneyo ngaphezu kweetshaneli zokusasaza ezinamanqanaba amaninzi:

6.2 Amaxesha okukhokela kunye noLawulo lwezoThutho

Kwindibano ye-Hitachi 4638433 track upper roller, amaxesha aqhelekileyo okukhokela ngqo kwifektri ngala:

• Izinto ezigciniweyo: Iintsuku ezi-5–10 zokusebenza (izinto ezilungisiweyo)
• Yenziwe ngokwe-odolo: kwiintsuku ezingama-20–25 emva kokuqinisekiswa kwesivumelwano
• Ukuhanjiswa ngokukhawuleza: Kuyafumaneka kwiimfuno ezingxamisekileyo

Ukuthunyelwa kwempahla okuqhelekileyo yi-FOB ukusuka eXiamen port, eTshayina, kunye nothutho oluya kwindlu ngendlu olufumaneka ngokusebenzisa ubudlelwane obusekwe ekuthuthweni kwempahla.

6.3 Uthelekiso lweendleko eziqikelelweyo

7. Ukufakelwa, Ukugcinwa, kunye nokuphuculwa koBomi beNkonzo

7.1 Ukuqinisekiswa Kwangaphambi Kokufakwa

Ngaphambi kokufaka i-track upper roller assembly entsha, qinisekisa ezi parameters zilandelayo zibalulekileyo:

1. Ukuhambelana kwepateni yokuxhoma — Qinisekisa ukuba isithuba semingxunya yebholiti kunye nobubanzi buhambelana nesibiyeli sesakhelo sendlela
2. Ububanzi kunye nobubanzi berola — Qinisekisa ukuba ubukhulu buhambelana nesithuba sekhonkco lethrekhi kunye nokususwa kwesakhelo sethrekhi
3. Uqwalaselo lweFlange — Qinisekisa ukuba uyilo lweflange ezimbini luhambelana neenkcukacha ze-OEM
4. Imeko yetyathanga lomkhondo — Linganisa ubude bepitshi yetyathanga; ukuba idlula i-3%, ukutshintshwa kwetyathanga kufanele kuqale ngaphambi kokufakwa kwerola
5. Imeko yesibiyeli sokuxhoma — Hlola ukuba akukho monakalo okanye ukuguguleka kwisali yerola yokuthwala

7.2 Isishwankathelo seNkqubo yoFakelo

1. Xhasa umatshini ngokukhuselekileyo kumphezulu oqinileyo, othe tyaba kunye nomtya wendlela okhululekileyo kuxinzelelo
2. Susa iibholithi zokufaka ii-carrier roller assembly ezikhoyo usebenzisa izixhobo ezifanelekileyo ze-torque
3. Coca umphezulu wesibiyeli sokufaka uze uhlole ukuba akukho monakalo okanye ukuguguleka
4. Beka i-track upper roller assembly entsha uze ufake ii-bolts ezintsha ezinamandla aphezulu (ukusebenzisa kwakhona ii-bolts ezindala kuyingozi yokhuseleko)
5. Iibholithi zeTorque ngokweenkcukacha (jonga incwadi yesikhokelo seworkshop yaseHitachi ukuze ufumane amaxabiso achanekileyo)
6. Faka igrisi kwi-lubricant fitting ukuze uthambise iibheringi kunye nezitywini kwangaphambili.
7. Sebenzisa umatshini ngesantya esiphantsi kwaye uhlole ukujikeleza okufanelekileyo kwerola, ukuthembeka kwetywina, kunye nokulungelelaniswa komkhondo

7.3 Ishedyuli yoLondolozo

Ukucoca rhoqo indawo engaphantsi kwesithuthi ukuze kususwe ukungcola kunye nenkunkuma, kulandele ukuthambisa iindawo ezifuna ukuthambisa, kubalulekile ekunciphiseni umngcipheko wokonakala, ukwandisa ubomi beendawo ezingaphantsi kwesithuthi sokumba, kunye nokugcina ukusebenza kakuhle kwezixhobo.

7.4 Iindlela zokusilela kunye nokusombulula iingxaki

7.5 Ulindelo lobomi benkonzo

Phantsi kweemeko eziqhelekileyo zokumba imigodi kunye neemeko zokwakha ezinzima, i-roller ephezulu ye-aftermarket track ehambelana neenkcukacha zobunzima bomphezulu we-HRC 55-60 enobunzulu be-case obuyi-6-12 mm inokufikelela kwiiyure zokusebenza ezingama-4,000-6,000 ngaphambi kokuba ifune ukutshintshwa. Kwizicelo ezinzima zokumba ezinezixhobo ezirhabaxa kakhulu (umxholo we-silica > 30%) kunye nokusebenza okuqhubekayo, ubomi benkonzo bunokwehliswa bube ziiyure ezingama-3,000-4,000.

Ukuze ufumane ubomi obufanelekileyo bokuhamba ngaphantsi kwesithuthi, soloko uhlola kwaye utshintshe izinto ezijikelezayo njengenkqubo xa kufunyenwe ukuguguleka okukhulu. Ukuxuba iindawo ezigugulekileyo nezintsha kunokukhokelela ekugugulekeni okungalinganiyo, ukungalungelelani kakuhle, kunye nokusebenza okunciphileyo. Ukuhlolwa rhoqo koxinzelelo lwendlela, ukutshintshwa kwetyathanga lendlela ngexesha elifanelekileyo, kunye nokuthambisa ngokufanelekileyo zezona ndlela zisebenzayo zokwandisa ubude bexesha le-roller.

UHitachi ucebisa ukuba zonke iirola eziphezulu kwimizila yasekhohlo neyasekunene zitshintshwe ngaxeshanye ukuqinisekisa ukulungelelaniswa kunye nokusebenza kakuhle kwemizila.

8. Ukubaluleka koKhetho oluLungileyo lwe-Upper Roller kwi-Ultra-Class Mining

Irola ephezulu yendlela idla ngokuba yeyona nto ingakhathalelwanga kwinkqubo ye-excavator undercarriage. Ngokungafaniyo neerola ezisezantsi, ezibonisa iimpawu ezicacileyo zokuguguleka ngenxa yokuncipha kokususwa komhlaba okanye iindawo ezithe tyaba ezibonakalayo, iirola ezithwalayo zinokusilela kancinci kancinci ngaphandle kweempawu zokusebenza kwangoko. Nangona kunjalo, irola ethwalayo engasebenziyo inokubangela ukuphazamiseka okukhulu kwendlela, ngakumbi ngexesha lokuhamba ngesantya esiphezulu okanye ukujika ngokukhawuleza kwiindawo zemigodi, okukhokelela kumonakalo omkhulu we-undercarriage kunye nexesha elibizayo lokungasebenzi.

Kwi-Hitachi ZX870-3LC excavators ezisebenza kwimigodi kunye nokwakha okunzima—oomatshini abanobunzima bokusebenza obufikelela kwiitoni ezingama-90 kunye neemfuno zemveliso zemihla ngemihla ezilinganiswa ngamawaka eetoni—ukukhetha ii-track upper rollers ezikumgangatho ophezulu ezinokukhetha ngokufanelekileyo izinto, unyango lobushushu, iinkqubo zokuvala eziqinileyo, kunye nomatshini wokulungisa ngokuchanekileyo kubalulekile.

I-CQC TRACK's 4638433 track roller assembly iquka oku kulandelayo:

• Ukwakhiwa kwentsimbi ye-alloy eyenziweyo (50Mn, 40Mn2, 42CrMo, okanye elinganayo) ukuze kubekho ukuhamba kakuhle kweenkozo kunye nokumelana nempembelelo
• Umphezulu wokubaleka oqiniswe ngokugqithisileyo (HRC 55–60) onobunzulu bekheyisi eyi-6–12 mm ukuze ukwazi ukumelana nokuguguleka okugqwesileyo
• Umongo oqinisiweyo (HRC 28–35) ugcina ukuqina kokufunxa imithwalo yoxinzelelo
• Iibheringi zerola eziphindwe kabini ezinomthamo ophezulu ukuze zijikeleze ngokuthembekileyo phantsi kwemithwalo enzima
• Inkqubo yokutywina enamanqanaba amaninzi (izikhuselo ze-labyrinth, izitywino zobuso ezidadayo, izitywino zeoyile ze-NBR) ezibonelela ngomqobo oqinileyo wokungcola eludakeni, esantini, nakumswakama
• Iinkqubo zokuvelisa eziqinisekisiweyo ze-ISO 9001:2015 ezinokulandelelwa ngokupheleleyo kwezixhobo

Ezi mpawu zobunjineli ziqinisekisa ukuba ii-track upper rollers ezigcinwe kakuhle ziya kubonelela ngenkonzo ethembekileyo kuyo yonke imihla yazo yoyilo kwiindawo zemigodi ezifuna kakhulu ehlabathini. Njengomnye wabavelisi abathathu abaphambili bezixhobo ze-undercarriage kummandla waseQuanzhou—iqela eliphambili lemizi-mveliso yokwenziwa koomatshini abanzima—i-CQC TRACK izibonakalise njengenkokeli kuyilo kunye nemveliso yezinto ze-undercarriage excavator ezinzima.

9. Isiphelo

Kwabo basebenza kwii-excavator zeHitachi ZX870-3LC ezisebenza kwimigodi, ekumbeni, ekwakheni izinto ezinzima, nasekuthuthweni komhlaba ngobuninzi—umatshini we-ultra-class ongama-80–90 ton oneemfuno zemihla ngemihla—i-track upper roller/carrier roller assembly emelwe yinombolo yenxalenye 4638433 yinxalenye ebalulekileyo yomsebenzi wayo, ukuthembeka kwayo kuchaphazela ngokuthe ngqo ubomi be-track chain, ukulungelelaniswa kwe-undercarriage, kunye nexesha lokusebenza komatshini. Eli candelo likwahambelana ngokupheleleyo neZX850-3, ZX870-5B/5G, ZX890-5A, EX1200-6, kunye namaqonga e-excavator anxulumene nawo, anikezela ngokusetyenziswa okubanzi kuluhlu olukhulu lwee-excavator zeHitachi.

I-CQC TRACK izichaza njengomvelisi okhethekileyo odibanisa ubuchule be-metallurgical obungaphezulu kweminyaka engamashumi amabini, ukuhlanganiswa ngokuthe nkqo kweenkqubo zokubumba kunye nonyango lobushushu, kunye nemodeli yenkonzo ye-OEM/ODM ezimbini ukubonelela ngezinto ezingaphantsi kwesithuthi ezisebenza ngokuthembekileyo phantsi kweemeko ezinzima kakhulu. Njengomnye wabavelisi abathathu abaphambili bezinto ezingaphantsi kwesithuthi kummandla waseQuanzhou, i-CQC TRACK izibonakalise njengenkokeli kuyilo kunye nemveliso yezinto ezingaphantsi kwesithuthi esinzima.

Ngeenkcukacha zezinto ezisetyenzisiweyo eziquka iintsimbi ze-alloy ze-50Mn eziphambili, i-40Mn2, kunye ne-42CrMo; unyango lobushushu olufikelela kwi-HRC 55–60 yokubaleka kobuso obunobunzulu be-case obuyi-6–12 mm kunye nobunzima be-core ye-HRC 28–35; iinkqubo zokutywina eziphucukileyo ezinezigaba ezininzi (i-labyrinth guards, ii-floating face seals, ii-NBR oil seals); kunye nesatifikethi somgangatho we-ISO 9001:2015, i-CQC TRACK ibonelela abanini beenqanawa kunye neengcali zokuthenga ngezisombululo ezenziwe ngobunjineli ezihlangabezana okanye ezidlula iinkcukacha ze-OEM.

Ngokufumana i-Hitachi 4638433 track upper roller assembly ngqo kwifektri, imisebenzi yezemigodi neyokwakha ifumana ukufikelela kumgangatho ohambelanayo, inkxaso yobugcisa ethe ngqo, amaxabiso akhuphisanayo (ukonga okungama-30–40% xa kuthelekiswa ne-OEM), kunye ne-transparent supply chain logistics—izinto ezidibanisa ukuphucula iindleko zobunini kunye nokwandisa ixesha lokusebenza komatshini kwiindawo zokusebenza ezinzima kwihlabathi.

Umbhali: uJack
Ingcali kwiinkqubo zezithuthi ezithwala izixhobo ezinzima, ukuthembeka koomatshini bemigodi, kunye namaqhinga okufumana izixhobo zokwakha kwihlabathi liphela.

Isikhanyeli: Olu shicilelo luqulatho lwantlandlolo olwenzelwe iinjongo zolwazi kunye nereferensi yobugcisa. Zonke iinombolo zemveliso, amagama eebhrendi, kunye neereferensi zomenzi zisetyenziselwa ukuchonga kunye nokubhekisa kuphela. Soloko uqinisekisa ukuhambelana nenombolo yochungechunge lomatshini wakho kunye noqwalaselo lwesithuthi esingaphantsi komhlaba ngaphambi kokuba u-odole. Iinkqubo zokufakela ezishwankathelwe kwimigangatho yoshishino zibonelelwe njengereferensi; jonga amaxwebhu apheleleyo ezixhobo zokuqala ngaphambi kokuba wenze naluphi na ulondolozo. Ulwazi lwewaranti lumele kwaye luxhomekeke kumenzi ngexesha lokuthenga. UHitachi ucebisa ukutshintsha zonke iirola eziphezulu kuzo zombini iindlela zasekhohlo nasekunene ngaxeshanye ukuqinisekisa ukusebenza okulinganayo kwesithuthi esingaphantsi komhlaba kunye nokulungelelaniswa kweendlela.