Hitachi excavator 4638433 zx870-3lc Upper Upper Roller / Track Carrier Roller Assy Hoobkas / undercarriage qhov chaw tsim khoom / CQC TRACK
Kev Tsim Kho Hauv Qab Tsheb Rau Hitachi ZX870-3LC Excavators: Kev Tshawb Fawb Txog Kev Siv Tshuab ntawm Lub Rooj Sib Dhos Sab Sauv / Lub Rooj Sib Dhos (Tus lej ib feem 4638433) thiab Kev Tsim Khoom Zoo Tshaj Plaws ntawm CQC TRACK
Tus Sau: Jack
Hnub Tim: Plaub Hlis 5, 2026
1. Kev Txheeb Xyuas Txog Kev Siv Tshuab: Lub Luag Haujlwm Tseem Ceeb ntawm Cov Menyuam Sab Sauv hauv Ultra-Class Mining Excavators
Lub log tsheb sab saud—tseem hu ua lub log nqa khoom lossis lub log sab saud—yog ib qho khoom tseem ceeb hauv cov qauv hauv qab ntawm txhua lub tshuab khawb av hnyav. Tsis zoo li nws cov khoom sib piv lub log qis (hauv qab), uas dais tag nrho qhov hnyav ntawm lub tshuab tawm tsam hauv av, lub log sab saud ua haujlwm sib txawv tab sis tseem ceeb ib yam: nws txhawb nqa qhov rov qab ntawm txoj saw hlau thaum nws mus ncig los ntawm lub sprocket tsav rov qab mus rau pem hauv ntej idler. Tso rau siab rau ntawm txoj kab tsheb, lub log nqa khoom tiv thaiv txoj kev sag ntau dhau, tswj kev hloov pauv ntawm lub zog thaum lub sijhawm mus ncig ceev ceev thiab tig maneuvers, thiab tswj hwm txoj saw hlau kom zoo kom tiv thaiv kev tawm tsam—tshwj xeeb tshaj yog qhov tseem ceeb rau 80-90 tuj ultra-class tshuab ua haujlwm hauv kev khawb av loj thiab chaw ua pob zeb.
Rau cov neeg ua haujlwm ntawm Hitachi ZX870-3LC excavators—lub tshuab ultra-class 82,000–89,800 kg uas siv dav hauv kev khawb av loj, kev khawb pob zeb, kev tsim kho hnyav, thiab kev thauj av loj—qhov kev ntseeg tau ntawm txoj kev sib dhos sab saud ntawm txoj kev cuam tshuam ncaj qha rau lub neej ntawm txoj kev, kev sib dhos hauv qab, thiab lub sijhawm ua haujlwm ntawm lub tshuab. Cov ntaub ntawv kev lag luam qhia tau tias cov khoom hauv qab sawv cev rau ib feem loj ntawm tag nrho cov nqi kho khoom siv, ua rau kev txiav txim siab yuav khoom paub zoo tseem ceeb rau kev ua kom zoo tshaj plaws tag nrho cov nqi ntawm kev muaj.
Tsab ntawv tshaj tawm no muab kev tshuaj xyuas txog Hitachi OEM qhov lej 4638433, uas sawv cev rau tag nrho cov khoom siv khiav sab saud / cov khoom siv thauj khoom rau ZX870-3LC lub platform hydraulic excavator loj. Cov khoom no kuj sib xws nrog Hitachi ZX850-3, ZX870-5B/5G, ZX890-5A, EX1200-6, thiab lwm yam khoom siv excavator thoob plaws 80–90 tuj chav kawm. Kev tsom mus rau CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.), lub tuam txhab tsim khoom uas muaj ntau tshaj ob xyoo caum ntawm kev tshwj xeeb hauv cov khoom siv hauv qab hnyav, thiab vim li cas nws txoj haujlwm ua lub chaw tsim khoom tseem ceeb rau cov kws tshaj lij thoob ntiaj teb uas tab tom nrhiav cov khoom siv chassis OEM zoo ntawm cov nqi sib tw.
2. Lub Hitachi ZX870-3LC Platform: Kev Tsim Kho rau Cov Ntawv Thov Mining Loj
2.1 Cov Qauv Tshuab thiab Ib puag ncig Ua Haujlwm
Lub Hitachi ZX870 yog ib lub qauv tseem ceeb hauv Hitachi cov koob ZX nrov, uas sawv cev rau ib qho ntawm cov excavators loj tshaj plaws thiab muaj zog tshaj plaws hauv cov kab. Tsis zoo li cov mini lossis midi excavators tsim rau qhov chaw me me, ZX870 yog tsim los rau kev tsim kho hnyav, kev khawb av, thiab kev ua haujlwm loj hauv av. Lub ZX870-3LC variant—qhov twg "LC" txhais tau tias lub tsheb ntev thiab "3" txhais tau tias tiam series—yog tsim tshwj xeeb rau kev khawb av thiab kev khawb av hnyav nrog kev ruaj khov hauv qab.
Lub ZX870-3LC ua haujlwm nrog cov lus qhia tau txheeb xyuas hauv qab no:
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb |
|---|---|
| Qhov Hnyav Ua Haujlwm | 82,000–89,800 kg (nyob ntawm seb qhov teeb tsa li cas) |
| Tag Nrho Ntev | 15,600 hli |
| Dav Dav Tag Nrho | 3,640 hli |
| Qhov Siab Tag Nrho | Txog li 5,400 hli |
| Dav ntawm Khau Khiav | 650 hli (LC/HD kev teeb tsa) |
| Qhov Muaj Peev Xwm Tshaj Plaws ntawm Lub Thoob | 5.5 m³ |
| Qhov Siab Tshaj Plaws Ncav Kab Rov Tav | 14.1 m |
| Lub Zog Khawb Siab Tshaj Plaws | 438 kN |
| Kev Ua Haujlwm Siab ntawm Lub Cev | 34.3 MPa (350 kg/cm²) |
Cov qhov ntev no qhia txog nws qhov xwm txheej ua lub tshuab khawb av loj uas xav tau qhov chaw dav rau kev txav mus los thiab kev thauj mus los.
2.2 Kev Teeb tsa Hauv Qab thiab Cov Nqi ntawm Cov Menyuam Nqa Khoom
Lub ZX870-3LC lub hauv qab yog tsim los rau kev siv cov haujlwm hnyav, muaj lub thav duab X-zoo li lub cev hnyav, cov kab ntev uas muaj zog, thiab cov khoom siv txhim kho kom tiv taus cov khoom hnyav uas ntsib hauv kev khawb av qhib thiab kev khawb av. Lub hauv qab architecture suav nrog:
| Cheebtsam | Kwv yees li ntawm ib lub tshuab | Ib Sab |
|---|---|---|
| Kev Sib Txuas Saw Hlau | Txawv raws li tus lej khau | — |
| Cov Menyuam Hauv Qab (Cov Menyuam Hauv Qab) | 16–20 (nyob ntawm qhov teeb tsa) | 8–10 |
| Cov Menyuam Nqa Khoom Sab Sauv (Cov Menyuam Nqa Khoom) | 6 | 2–3 |
| Tsav Sprockets | 2 | 1 |
| Cov Idlers Pem Hauv Ntej | 2 | 1 |
Lub rooj sib dhos sab saud (Tus lej seem 4638433) tau teeb tsa rau sab saud ntawm tus ncej khiav, nyob nruab nrab ntawm lub idler pem hauv ntej thiab lub sprocket tsav, qhov chaw nws txhawb nqa qhov hnyav ntawm txoj saw hlau rov qab los, coj nws mus rau hauv kev sib phim, thiab txo cov oscillations ntsug kom tiv thaiv tus ncej khiav thiab cov rollers tseem ceeb.
3. Tus lej seem 4638433: Kev txheeb xyuas thiab Kev Tsim Kho Lub Luag Haujlwm
3.1 Tus lej OEM thiab daim ntawv thov
Lub Hitachi 4638433 Track Upper Roller / Carrier Roller Assembly yog ib qho khoom siv hauv qab uas tau tsim tshwj xeeb rau Hitachi ZAX870, ZX870-3LC, ZX850-3, ZX870-5B/5G, ZX890-5A, thiab EX1200-6 cov hydraulic excavators loj. Lub rooj sib dhos ua tiav no yog tsim los kom xa OEM-sib npaug rau qhov haum, daim ntawv, thiab kev ua haujlwm, nrog 100% kev sib pauv nrog cov lus qhia Hitachi thawj.
Lub npe 4638433 sib raug rau Hitachi cov duab kos engineering tshwj xeeb, uas txhais cov kev kam rau siab meej, cov qib khoom siv, cov kev kho cua sov, thiab cov lus qhia sib dhos uas tsim los ntawm cov khoom siv thawj zaug cov kev lees paub thiab cov txheej txheem sim hauv thaj teb.
3.2 Lub Luag Haujlwm
Lub 4638433 txoj kab sib dhos sab saud ua peb lub luag haujlwm tseem ceeb uas cuam tshuam ncaj qha rau lub neej ntev ntawm lub tsheb thauj khoom:
1. Kev Txhawb Nqa Sab Sauv thiab Kev Tiv Thaiv Kev Ncab: Lub luag haujlwm tseem ceeb ntawm lub log nqa khoom yog txhawb nqa qhov rov qab (sab saud) ntawm txoj saw hlau thaum nws mus ncig los ntawm lub sprocket tsav rov qab mus rau pem hauv ntej idler. Los ntawm kev tiv thaiv kev nqes ntawm txoj saw hlau ntau dhau, lub log txo qhov kev co thaum lub sijhawm txav mus los thiab tiv thaiv txoj saw hlau los ntawm kev sib cuag nrog lub thav duab ntawm txoj saw hlau, uas yuav ua rau muaj kev hnav sai thiab ua rau kev tawm tsam.
2. Kev Tswj Xyuas Qhov Nruj thiab Kev Taw Qhia Txog Txoj Kev: Cov menyuam nqa khoom pab tswj kev hloov pauv ntawm qhov nro uas tshwm sim thaum lub tshuab nrawm, qeeb, lossis tig. Lub luag haujlwm no tseem ceeb heev thaum tig nrawm ntawm cov chaw khawb av, qhov twg txoj kev sab saud muaj zog loj uas tuaj yeem ua rau kev tawm tsam yog tias tsis tau coj kom zoo. Tus qauv tsim ob-flange coj txoj kev sib txuas ntawm txoj kev kom ruaj ntseg, tiv thaiv kev plam sab thiab nplawm ntau dhau thaum mus ncig ceev ceev.
3. Kev Faib Khoom thiab Kev Nqus Khoom: Lub rooj sib dhos ntawm lub log nqus thiab faib cov khoom los ntawm kev co ntawm cov saw hlau thiab cov av tsis sib xws, tiv thaiv lub thav duab ntawm txoj kev thiab lub log tseem ceeb los ntawm kev ntxhov siab ntau dhau thiab kev ua tsis tiav ua ntej lub sijhawm.
3.3 Kev Piav Qhia Txog Cheebtsam
Ib qho tiavHitachi 4638433 khiav lub log sab saud sib dhosmuaj cov khoom me me hauv qab no:
| Cheebtsam | Kev Ua Haujlwm | Cov Lus Cim Txog Kev Tsim Kho |
|---|---|---|
| Lub cev menyuam (Plhaub) | Lub cev cylindrical hlau forged muab qhov chaw dov uas tiv tauj cov saw hlau | Kub-forged los ntawm cov hlau alloy muaj zog siab (50Mn, 40Mn2, lossis sib npaug) |
| Lub Ncej Rau Cov Menyuam (Qag) | Lub qag uas tau kho kom ruaj khov thiab raug kho kom ruaj khov txhawb nqa lub cev roller | Cov hlau alloy muaj zog heev (42CrMo lossis sib npaug) nrog qhov chaw induction-hardened |
| Ob Kab Tapered Cov Menyuam Bearings | Ua kom muaj kev sib hloov du thaum muaj kev thauj khoom radial thiab axial siab | Kev tsim cov kabmob kaw ruaj khov muaj peev xwm loj rau kev sib xyaw ua ke |
| Multi-Labyrinth Sealing System | Tiv thaiv kom tsis txhob muaj kuab paug nkag mus thiab khaws cov roj nplua nyeem | Cov neeg tiv thaiv labyrinth + cov ntsaws ruaj ruaj ntab + cov roj hmab nitrile roj hmab |
| Ob Chav-Flange Guide | Muab kev tswj hwm txoj hlua khi sab nraud | Kev koom ua ke rau hauv kev tsim lub cev menyuam |
| Cov Khoom Siv Mounting | Ruaj ntseg lub rooj sib dhos rau lub thav duab bracket | Cov bolts qib siab muaj zog |
Sab hauv ntawm lub log tsheb thauj khoom siv lub qauv labyrinth foob ua ke nrog cov roj hmab nitrile roj hmab xa tuaj kom tsis txhob muaj kev sib tsoo ntawm cov kabmob los ntawm cov av nkos thiab xuab zeb nkag - qhov tseem ceeb rau cov chaw khawb av uas cov kuab paug tsis zam tau.
4. Cov Lus Qhia Txog Khoom Siv thiab Cov Qauv Kev Kho Mob Kub
4.1 Kev Xaiv Khoom Siv
Cov khoom sib dhos zoo tshaj plaws rau Hitachi ZX870-3LC excavators yog tsim los ntawm cov hlau alloy forged zoo uas xaiv rau lawv lub zog tshwj xeeb, kev tawv, thiab kev tiv thaiv kev hnav. Cov ntaub ntawv tseem ceeb uas tau teev tseg rau 4638433 sib dhos suav nrog:
| Cov Khoom Qib | Cov yam ntxwv | Qhov nyuaj (Nto) | Daim Ntawv Thov Ib Txwm Muaj |
|---|---|---|---|
| 50Mn (AISI 1050) | Cov hlau carbon-manganese siab; muaj zog tawv zoo heev, tiv taus kev hnav zoo | HRC 52–58 | Kev khawb av hnyav thiab kev khawb av txheem |
| 40Mn2 / 35MnB | Boron-alloyed hlau; txhim kho hardenability | HRC 52–58 | Cov xwm txheej kev khawb av hnyav heev |
| 42CrMo (AISI 4140) | Chromium-molybdenum alloy; lub zog qaug zog siab, kev tiv thaiv kev hnav zoo dua | HRC 55–60 | Cov ntawv thov qib siab tshaj plaws rau kev khawb av |
Lub ncej dov yog tsim los ntawm 42CrMo alloy steel, forged rau cov nplej ntws zoo dua, nrog rau qhov nyuaj ntawm kev kho cua sov saum npoo av ncav cuag 48–55 HRC rau kev tiv thaiv kev hnav zoo heev. Qhov nyuaj ntawm lub hauv paus yog khaws cia siab dua HRC 28 kom tiv thaiv kev tawg brittle thaum muaj kev cuam tshuam. Lub cev dov yog forged los ntawm cov hlau alloy siab nrog kev tawv zoo, kom ntseeg tau tias cov qauv nplej sib npaug thiab tshem tawm cov qhov khoob sab hauv uas tuaj yeem ua rau tsis ua haujlwm sai sai thaum ua haujlwm khawb av tas mus li.
4.2 Cov Lus Qhia Txog Kev Kho Mob Kub
Kev ua tau zoo ntawm txoj kev sib tw sab saud nyob ntawm nws cov qauv kho cua sov, uas tsim cov qauv gradient hardness optimized rau ob qho tib si hnav tsis kam thiab cuam tshuam toughness:
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Khiav Qhov Nto Hardness | HRC 55–60 (kev tua hluav taws xob ntau zaus) | Tiv thaiv kev hnav abrasive los ntawm kev sib cuag ntawm cov saw hlau hauv cov chaw khawb av |
| Qhov tob tawv (Case) | 6–12 hli (HRC 45) | Qhov tob ntawm lub thawv sib npaug tiv thaiv kev hnav sai sai thaum ua haujlwm tas mus li |
| Qhov Nyuaj Siab | HRC 28–35 | Tswj tau qhov tawv kom nqus tau cov khoom hnyav los ntawm pob zeb thiab av tsis sib luag |
| Qhov Ncej Qhov Hardness | HRC 48–55 (qhov nruab nrab zaus quenching nto) | Tiv thaiv kev hnav ntawm lub ncej thiab ua kom lub neej ntawm cov kabmob ntev dua |
| Qhov tob ntawm lub ncej khov kho | 3–6 hli | Kev tiv thaiv kev hnav zoo rau cov ntawv thov mining hnyav |
| Txoj Kev Kho Mob Kub | Kev ua kom txias thiab tempering + induction / high-frequency surface quenching | Muab cov ntaub ntawv sib sib zog nqus, sib xws thaum tswj cov tub ntxhais ductile |
Cov kab automation kho cua sov siv cov txheej txheem quenching tag nrho los tsim cov menyuam, ua tau raws li cov kev cai nruj rau cov khoom siv hauv kev khawb av. Lub cev menyuam raug dhau los ntawm kev tawv thiab tempering rau lub zog ntawm lub hauv paus, ua ke nrog kev ua kom tawv ntawm qhov chaw khiav kom ua tiav HRC 55-60 qhov nyuaj ntawm qhov chaw. Qhov no tsim lub thawv tob, tiv taus hnav thaum tswj lub hauv paus ductile, nqus tau kev co kom tiv thaiv kev tawg brittle hauv qab qhov hnyav hnyav.
Lub ncej raug tempering ua ke nrog qhov nruab nrab zaus quenching nto, nrog precision CNC polishing tom qab ua tiav kom ntseeg tau tias qhov chaw du uas txo qis kev sib txhuam thiab kev hnav ntawm lub foob.
4.3 Cov Lus Qhia Txog Kev Tuav thiab Kev Sib Nqus
Cov kabmob sib dhos muaj cov kabmob ob kab lossis cov kabmob loj loj uas muaj cov khoom siv bushing tawv, tsim los tswj cov khoom siv radial thiab axial uas ntsib thaum lub sijhawm mus ncig, tig, thiab rov ua haujlwm ntawm cov tshuab 80-90 tuj.
Lub kaw lus sib khi ua ke ntau theem ua ke peb yam khoom tiv thaiv:
| Cheebtsam foob | Kev Ua Haujlwm |
|---|---|
| Cov Neeg Saib Xyuas Labyrinth | Kev thaiv kev ua qias tuaj theem ib; tiv thaiv kev nkag mus ntawm cov khib nyiab loj |
| Cov Ntiv Tes Uas Muaj ... | Lub foob dynamic theem ob; tswj cov roj nplua nyeem thaum lub sijhawm tig |
| Cov Roj Hmab Nitrile (NBR) Cov Roj Hmab Roj Hmab | Qib peb ntawm kev sib kis kab mob zoo; tiv thaiv cov bearings los ntawm hmoov av thiab dej noo |
Lub qauv kaw ruaj khov no muab ib qho kev thaiv tseem ceeb tiv thaiv cov av nkos, xuab zeb, thiab dej noo - cov pa phem feem ntau nyob rau hauv kev khawb av thiab chaw khawb pob zeb - ua rau lub neej ua haujlwm ntev dua thiab txo qhov zaus kho.
4.4 Cov Kev Ntsuas Kev Ua Tau Zoo thiab Lub Neej Pabcuam
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb |
|---|---|
| Rated Radial Load Peev Xwm | 15,000–25,000 kg ib lub log (nyob ntawm qib khoom siv) |
| Qhov Kev Ntsuas Ceev Tshaj Plaws Mus Ncig | 4.2–5.3 km/h (sib xws nrog ZX870-3LC) |
| Kev Ua Haujlwm Kub Ntau | -30°C txog +80°C |
| Hom kabmob | Ob kab tapered roller bearings (sealed design) |
| Kev Siv Lubrication | Ua ntej lawm nrog cov roj lithium-complex EP uas kub thiab siab, siab siab |
| Kev Teeb tsa Lub foob | Multi-labyrinth + floating face seals + NBR roj seals |
Los ntawm kev sim ua qauv dynamic load, cov menyuam nqa khoom zoo qhia tau tias muaj peev xwm thauj khoom tau zoo dua txog li 20%, ua rau lub zog cuam tshuam tawg thaum lub tshuab khawb av txav mus los. Cov txheej txheem quenching siab ntawm qhov chaw ua ke nrog cov channel lubrication uas tau muab tso rau hauv qab txo qhov hnav tsis zoo hauv cov xwm txheej ua haujlwm hnyav xws li cov chaw tsuas, ua rau lub neej kev pabcuam hauv qab ntev dua 30%.
5. CQC TRACK: Ib Lub Chaw Tsim Khoom Tshwj Xeeb ntawm Hitachi Undercarriage Components
5.1 Cov Ntaub Ntawv Txog Lub Tuam Txhab thiab Keeb Kwm Kev Tsim Khoom
CQC TRACK, ua haujlwm nyob rau hauv HELI MACHINERY MANUFACTURING CO., LTD., yog ib lub chaw tsim khoom sib koom ua ke nyob hauv Quanzhou, Suav teb—ib cheeb tsam uas tau lees paub tias yog ib pawg neeg muab khoom tseem ceeb rau cov khoom siv thauj av thoob ntiaj teb. HELI tau tsim tsa thaum xyoo 1990s, thiab tau hloov zuj zus mus ua ib qho ntawm peb lub tuam txhab tsim khoom siv hauv qab tsheb loj tshaj plaws hauv thaj tsam Quanzhou, ib pawg lag luam tseem ceeb rau kev tsim cov tshuab hnyav.
Nrog ntau tshaj 20 xyoo ntawm kev tsim khoom, HELI tau tsim nws tus kheej ua tus neeg muab khoom tshwj xeeb ntawm cov khoom siv crawler excavator chassis, pabcuam Cov Khoom Siv Thawj (OEMs) ntawm cov tshuab mining thoob ntiaj teb. Lub npe lag luam CQC TRACK ua lub cim peb lub hauv paus cog lus: Crawler systems, Kev lees paub zoo, thiab Kev cog lus rau kev ua haujlwm ntev nyob rau hauv qhov chaw abrasive thiab high-impact uas ntsib hauv kev mining, quarrying, thiab cov haujlwm tseem ceeb.
5.2 Cov Ntawv Pov Thawj Zoo thiab Cov Qauv
CQC TRACK ua haujlwm raws li ntau txheej txheem kev lees paub zoo, tuav ISO 9001: 2015 kev lees paub zoo system thiab ntau daim ntawv pov thawj khoom CQC. Txhua qhov khoom hauv qab ntawm CQC TRACK yog tsim los ntawm cov txheej txheem tau ntawv pov thawj ISO 9001: 2015, nrog rau kev taug qab tag nrho cov khoom los ntawm cov khoom siv raw mus rau kev sib dhos tiav. Ua ib lub chaw tsim khoom sib xyaw ua ke, HELI sib xyaw ua ke kev tsim qauv thiab kev tsim kho nrog kev tshawb fawb thiab kev txhim kho dav dav, siv cov thev naus laus zis tsim khoom siab heev los tsim cov khoom tshiab, txhim khu kev qha, thiab sib tw uas ua tau raws li cov qauv zoo tshaj plaws.
5.3 Kev Muaj Peev Xwm Tsim Khoom thiab Kev Tswj Xyuas Zoo
Lub zog tsim khoom ntawm CQC TRACK yog nyob ntawm kev sib koom ua ke ntsug thiab cov txheej txheem tswj hwm ua ntu zus:
| Theem Txheej Txheem | Kev Piav Qhia Txog Lub Peev Xwm |
|---|---|
| Kev Xaiv Khoom Siv Raw | Cov hlau hlau zoo tshaj plaws 52Mn, 55Mn, 42CrMo, thiab 40CrNiMo uas tau los ntawm cov chaw tsim khoom uas tau ntawv pov thawj |
| Kev ntaus nrig | Kev tswj hwm kev sib koom tes forging hauv tsev lossis kev sib koom tes forging ua kom ntseeg tau tias cov nplej ntws zoo tshaj plaws thiab cov khoom siv ntom ntom hauv cov khoom seem, qhov tseem ceeb rau lub zog cuam tshuam thiab lub neej qaug zog. |
| CNC Machining | Cov tshuab CNC niaj hnub, cov chaw milling, thiab cov chaw drilling ua haujlwm machining ntxhib thiab tiav rau ISO 2768-mK dimensional tolerances, kom ntseeg tau tias muaj kev sib pauv sib xws. |
| Kev Kho Mob Kub | Cov cub tawg uas tswj los ntawm lub khoos phis tawj ua kom tawv thiab ua kom sov tau ua tiav qhov nyuaj sib npaug, thaum tseem tswj tau lub plawv ductile; cov txheej txheem tshwj xeeb rau cov menyuam nqa khoom |
| Kev Sib Dhos Sealing | Cov txheej txheem foob ntau txheej (cov tiv thaiv labyrinth, cov foob ntab ntab, cov foob roj NBR) muab cov khoom thaiv zoo tiv thaiv kev ua qias tuaj |
| Kev Tshuaj Xyuas Zoo | Kev kuaj xyuas qhov nyuaj, kev txheeb xyuas cov tshuaj lom neeg, kev tshuaj xyuas cov khoom sib nqus, thiab kev txheeb xyuas qhov ntev ntawm CMM |
CQC TRACK cov khoom siv hauv qab tsheb thauj khoom muaj xws li cov saw hlau, khau, sprockets, idlers, bottom rollers, thiab carrier rollers—tsim tshwj xeeb rau cov tshuab khawb av hnyav siv hauv kev khawb av thiab kev tsim kho thoob ntiaj teb. Lub tuam txhab tau sau tseg qhov sib xws ntawm nws cov khoom hauv qab tsheb thauj khoom thoob plaws ntau hom, suav nrog Hitachi, Caterpillar, Komatsu, Doosan, Volvo, XCMG, SANY, thiab Liugong.
5.4 Qauv Kev Pabcuam OEM thiab ODM
CQC TRACK ua haujlwm ob txoj kev pabcuam uas haum rau ob qho tib si cov khoom hloov pauv thiab cov kev daws teeb meem engineering uas tau hloov kho raws li qhov xav tau:
- Kev Tsim Khoom OEM: Kev tsim cov khoom raws li cov lus qhia ntawm cov neeg siv khoom, cov duab kos, thiab cov qauv zoo. Lub Hoobkas tau nruab nrog kev sib koom ua ke hauv cov saw hlau thoob ntiaj teb, muab kev tsim khoom ntau ntawm cov menyuam, cov idlers, sprockets, thiab cov txuas khiav.
- ODM Engineering: Kev koom tes tsim kho, tsim qauv, thiab lees paub cov kev daws teeb meem hauv qab tsheb uas tau txhim kho lossis kho kom haum rau txhua tus neeg. Siv kev paub dhau los hauv thaj chaw thiab kev txawj ntse tob hauv metallurgy thiab tribology tshwj xeeb rau cov kab ke khiav tsheb, pab pawg engineering daws cov teeb meem tsis ua haujlwm uas tshwm sim ntau, muab cov qauv tsim uas muaj txiaj ntsig zoo uas txhim kho kev ua tau zoo thiab txo tus nqi tag nrho ntawm kev muaj.
5.5 Cov Khoom Siv Hitachi
CQC TRACK tsim ntau yam khoom siv hauv qab rau Hitachi excavators, suav nrog ZX800, ZX850, ZX870, ZX890, thiab ZX900 platforms. Cov khoom tseem ceeb suav nrog:
| Cheebtsam | Hitachi Tus lej seem / Qauv sib xws |
|---|---|
| Taug qab Upper Roller / Carrier Roller Sib Dhos | 4638433 (ZX850-3, ZX870-3LC, ZX870-5B/5G, ZX890-5A, EX1200-6) |
| Kev Sib Dhos Qis Dua ntawm Cov Menyuam | 4473720, 4648390, 9127065, 9134268, LV64D00001F1 (ZX850, ZX870, ZX890, ZX900) |
| Pem Hauv Ntej Idler Sib Dhos | 9194673 (ZX870LC-3) |
| Kev Sib Dhos Sprocket | ZX800 / ZX850 / ZX870 series |
CQC TRACK cov khoom sib dhos qis dua rau Hitachi ZX850, ZX870, ZX890, thiab ZX900 excavator platforms tau sau tseg rau hauv cov ntawv dawb kev tshaj lij uas muab cov lus qhia ntxaws txog kev tsim kho thiab kev tsim khoom. Qhov kev ua haujlwm engineering rigor no tau siv rau 4638433 cov khoom sib dhos sab saud, kom ntseeg tau tias muaj qhov zoo sib xws thoob plaws tag nrho cov khoom siv hauv qab.
6. Kev Yuav Khoom Ncaj Qha Los Ntawm Lub Hoobkas: Cov Kev Zoo Sib Tw
6.1 Cov Lus Qhia Txog Tus Nqi ntawm Cov Khoom Siv
Kev nrhiav Hitachi 4638433 txoj kab sib dhos sab saud ncaj qha los ntawm lub Hoobkas thiab chaw tsim khoom xws li CQC TRACK muaj cov txiaj ntsig sib txawv dua li ntau txoj kev faib khoom:
| Kev Muag Khoom Hauv Is Taws Nem | Cov txiaj ntsig | Qhov tsis zoo |
|---|---|---|
| Hoobkas Ncaj Qha (CQC TRACK) | Tus nqi qis dua (tshem tawm cov nqi xa khoom), lub sijhawm ua khoom luv dua, kev txhawb nqa kev txawj ntse ncaj qha, kev tswj xyuas zoo uas taug qab tau, cov txheej txheem tau ntawv pov thawj ISO 9001: 2015 | Tej zaum yuav siv tau qhov tsawg kawg nkaus ntawm kev txiav txim |
| Tus Muag Khoom Hauv Cheeb Tsam | Cov khoom muag hauv zos, cov xaj tsawg kawg nkaus | Tus nqi siab dua (ntau qhov markups), kev txhawb nqa kev siv tshuab tsawg |
| Tus Muag Khoom OEM | Cov lus qhia meej meej lav | Tus nqi siab dua (feem ntau yog 40–60% siab dua), lub sijhawm ua khoom ntev rau cov khoom tsis muaj hauv Tshuag |
6.2 Lub Sijhawm Ua Haujlwm thiab Kev Thauj Khoom
Rau Hitachi 4638433 txoj kab sib dhos sab saud, lub sijhawm ua khoom xa tuaj ncaj qha los ntawm lub Hoobkas yog:
- Cov khoom muaj nyob hauv Tshuag: 5-10 hnub ua haujlwm (muaj Tshuag)
- Ua raws li kev txiav txim: 20-25 hnub tom qab kev pom zoo cog lus
- Kev xa khoom sai: Muaj rau cov kev xav tau ceev
Kev xa khoom txheem yog FOB los ntawm chaw nres nkoj Xiamen, Suav teb, nrog rau kev xa khoom mus rau qhov rooj muaj los ntawm kev koom tes xa khoom xa tuaj.
6.3 Kev Sib Piv Tus Nqi Kwv Yees
| Cheebtsam | Tus Nqi OEM (Kwv yees) | CQC TRACK Lub Hoobkas Nqe (Kwv yees) | Kwv yees li ntawm kev txuag nyiaj |
|---|---|---|---|
| Kev Sib Dhos Sab Sauv ntawm Cov Menyuam (4638433) | $600–900 | $400–650 | 30–40% |
7. Kev Teeb Tsa, Kev Txij Nkawm, thiab Kev Txhim Kho Lub Neej Kev Pabcuam
7.1 Kev Txheeb Xyuas Ua Ntej Kev Teeb Tsa
Ua ntej yuav txhim kho lub rooj sib dhos tshiab ntawm txoj kev sib tw sab saud, xyuas kom meej cov kev ntsuas tseem ceeb hauv qab no:
- Kev sib xws ntawm tus qauv mounting — Paub meej tias qhov sib nrug ntawm lub qhov bolt thiab txoj kab uas hla sib xws nrog lub thav duab ntawm txoj kev
- Qhov dav thiab txoj kab uas hla ntawm lub log tsheb — Xyuas kom tseeb tias qhov loj sib phim qhov sib nrug ntawm txoj hlua khi thiab qhov sib nrug ntawm tus ncej tsheb
- Kev teeb tsa flange — Paub meej tias ob-flange tsim phim OEM specification
- Cov xwm txheej ntawm txoj saw hlau — Ntsuas qhov ntev ntawm txoj saw hlau; yog tias tshaj 3%, kev hloov txoj saw hlau yuav tsum ua ntej kev teeb tsa lub log
- Qhov xwm txheej ntawm lub bracket mounting — Tshawb xyuas seb puas muaj kev hnav lossis puas tsuaj rau lub rooj zaum roller carrier
7.2 Cov Txheej Txheem Kev Teeb Tsa
- Txhawb lub tshuab kom ruaj khov rau ntawm qhov chaw ruaj khov, tiaj tiaj nrog txoj saw hlau uas tsis muaj kev ntxhov siab.
- Tshem tawm cov ntsia hlau uas twb muaj lawm los ntawm kev siv cov cuab yeej torque tsim nyog
- Ntxuav qhov chaw ntawm lub bracket thiab xyuas seb puas puas tsuaj lossis hnav
- Tso qhov chaw tshiab rau lub rooj sib dhos sab saud ntawm txoj kev thiab ntsia cov ntsia hlau tshiab uas muaj zog heev (kev siv cov ntsia hlau qub dua yog qhov txaus ntshai rau kev nyab xeeb).
- Cov ntsia hlau torque raws li qhov qhia tshwj xeeb (saib phau ntawv qhia Hitachi rau cov nqi tseeb)
- Siv roj los ntawm lubrication fitting rau pre-lubricate bearings thiab seals
- Siv lub tshuab ntawm qhov ceev qis thiab tshuaj xyuas seb puas muaj kev sib hloov ntawm lub log, kev sib khi zoo, thiab kev sib dhos ntawm txoj kab.
7.3 Lub Sijhawm Txij Nkawm
| Lub sijhawm luv | Kev Ua Haujlwm |
|---|---|
| Txhua 10 teev ua haujlwm (cov xwm txheej khawb av hnyav) | Tshuaj xyuas seb puas muaj roj xau, suab nrov tsis zoo, kev co, lossis cov ntsia hlau xoob |
| Txhua 50 teev ua haujlwm (tej yam xwm txheej ib txwm muaj) | Kev tshuaj xyuas pom ntawm cov khoom hauv qab ntawm lub tsheb thauj khoom |
| Txhua 250 teev ua haujlwm | Siv cov roj nplua nyeem los ntawm kev siv roj nplua nyeem (yog tias muaj) rau cov bearings. |
| Txhua 500 teev ua haujlwm | Tshawb xyuas seb puas muaj cov bolts xoob; rov tig dua yog tias tsim nyog |
| Txhua 1,000 teev ua haujlwm | Tshawb xyuas qhov tob ntawm kev hnav ntawm lub log; piv rau cov kev txwv kev hnav (feem ntau yog 3–5 hli uas tso cai hnav) |
| Raws li qhov xav tau | Yog tias pom tias muaj kev ua si ntau dhau, kev xau ntawm lub foob, suab nrov ntawm cov kabmob, lossis kev hnav ntawm flange, hloov lub rooj sib dhos ntawm cov menyuam |
Kev ntxuav tas li ntawm thaj chaw hauv qab kom tshem tawm cov av thiab cov khib nyiab, ua raws li kev lubrication ntawm cov khoom uas xav tau lubrication, yog qhov tseem ceeb rau kev txo qis kev pheej hmoo ntawm kev tawg, txuas lub neej ntawm cov khoom hauv qab ntawm lub excavator, thiab tswj kev ua haujlwm zoo tshaj plaws ntawm cov khoom siv.
7.4 Hom Kev Ua Tsis Tau Zoo thiab Kev daws teeb meem
| Cov tsos mob | Tej zaum yuav muaj laj thawj | Kev Ua Haujlwm Pom Zoo |
|---|---|---|
| Cov roj xau los ntawm cov foob | Kev ua tsis tiav ntawm lub foob pob lossis kev hnav bushing | Hloov lub rooj sib dhos ntawm lub log; xyuas seb txoj kab sib dhos zoo li cas |
| Suab nrov heev thaum lub sijhawm ua haujlwm | Kev hnav ntawm cov kabmob lossis kev puas tsuaj sab hauv | Tshem tawm thiab tshuaj xyuas; hloov qhov sib dhos yog tias puas lawm |
| Kev hnav tsis sib xws ntawm cov tread | Txoj saw hlau tsis sib haum lossis cov sprockets / idlers hnav lawm | Tshawb xyuas qhov nruj thiab kev sib dhos ntawm txoj kab; hloov cov saw yog tias ntev dhau lawm |
| Kev qaug dab peg ntawm cov menyuam | Kev nkag mus rau hauv av lossis kev ua tsis tiav ntawm lub cev | Hloov lub rooj sib dhos ntawm lub log tam sim ntawd kom tiv thaiv kev puas tsuaj ntawm txoj kev |
| Kev taug kev ntawm txoj kev sab nraud | Cov flanges roller uas hnav lawm lossis cov kab khiav tsis sib haum | Tshawb xyuas qhov dav ntawm lub flange; hloov lub roller yog tias cov flanges puas lawm |
7.5 Kev Cia Siab Rau Lub Neej Ua Haujlwm
Nyob rau hauv cov chaw khawb av thiab cov xwm txheej kev tsim kho hnyav, cov khoom siv zoo tom qab kev lag luam uas ua tau raws li HRC 55–60 qhov nyuaj ntawm qhov chaw nrog lub qhov tob 6–12 hli tuaj yeem ua tiav 4,000–6,000 teev ua haujlwm ua ntej yuav tsum tau hloov. Hauv cov ntawv thov khawb av hnyav nrog cov khoom siv abrasive heev (silica content > 30%) thiab kev ua haujlwm tas mus li, lub neej ua haujlwm yuav raug txo kom txog 3,000–4,000 teev.
Rau lub neej ntev tshaj plaws ntawm lub tsheb thauj khoom hauv qab, ib txwm tshuaj xyuas thiab hloov cov khoom siv ntawm lub log thaum pom tias muaj kev puas tsuaj loj. Kev sib xyaw cov khoom siv uas puas lawm thiab cov khoom tshiab tuaj yeem ua rau muaj kev puas tsuaj tsis sib xws, tsis sib haum, thiab txo qis kev ua haujlwm. Kev tshuaj xyuas qhov nruj ntawm txoj kev khiav tsis tu ncua, kev hloov cov saw hlau raws sijhawm, thiab kev roj nplua nyeem kom raug yog cov txheej txheem zoo tshaj plaws rau kev ua kom lub log khiav ntev tshaj plaws.
Hitachi pom zoo kom hloov tag nrho cov menyuam sab saud ntawm ob txoj kab sab laug thiab sab xis tib lub sijhawm kom ntseeg tau tias txoj kab sib dhos thiab ua haujlwm tau zoo.
8. Qhov Tseem Ceeb ntawm Kev Xaiv Cov Menyuam Sab Sauv Kom Zoo rau Kev Tshawb Fawb Ultra-Class
Lub log tsheb sab saud feem ntau yog qhov khoom tsis quav ntsej tshaj plaws hauv lub tshuab khawb av hauv qab. Tsis zoo li cov log tsheb hauv qab, uas qhia pom tseeb tias hnav los ntawm kev txo qis hauv av lossis pom cov chaw tiaj tiaj, cov log tsheb thauj khoom tuaj yeem ua tsis tiav yam tsis muaj cov tsos mob ua haujlwm tam sim ntawd. Txawm li cas los xij, lub log tsheb thauj khoom tsis ua haujlwm tuaj yeem ua rau txoj kev puas tsuaj loj heev, tshwj xeeb tshaj yog thaum mus ncig ceev lossis tig ntse ntawm cov chaw khawb av, ua rau muaj kev puas tsuaj loj heev hauv qab thiab lub sijhawm tsis ua haujlwm kim.
Rau Hitachi ZX870-3LC excavators ua haujlwm hauv kev khawb av thiab kev tsim kho hnyav—cov tshuab nrog qhov hnyav ua haujlwm ze li ntawm 90 tons thiab qhov xav tau ntau lawm txhua hnub ntsuas hauv ntau txhiab tons—xaiv cov menyuam khiav sab saud zoo nrog kev xaiv cov khoom siv kom raug, kev kho cua sov, cov txheej txheem sealing ruaj khov, thiab kev ua haujlwm raug yog qhov tseem ceeb.
CQC TRACK lub 4638433 txoj kab sib dhos sab saud suav nrog:
- Kev tsim kho hlau forged alloy (50Mn, 40Mn2, 42CrMo, lossis sib npaug) rau kev ntws zoo dua thiab kev cuam tshuam
- Qhov chaw khiav uas siv zaus induction-hardened siab (HRC 55–60) nrog qhov tob ntawm 6–12 hli rau kev tiv taus kev hnav zoo heev
- Lub plawv khov kho (HRC 28–35) tswj tau qhov tawv kom nqus tau cov khoom hnyav
- Muaj peev xwm loj ob kab tapered roller bearings rau kev tig tau zoo hauv qab cov loads hnyav
- Lub kaw lus sib khi ntau theem (cov khoom tiv thaiv labyrinth, cov ntsaws ruaj ruaj ntab, cov ntsaws ruaj ruaj roj NBR) muab cov khoom tiv thaiv kev sib kis zoo tiv thaiv av nkos, xuab zeb, thiab dej noo
- ISO 9001: 2015 cov txheej txheem tsim khoom tau ntawv pov thawj nrog kev taug qab tag nrho cov khoom
Cov yam ntxwv engineering no ua kom ntseeg tau tias cov log tsheb sab saud uas tau saib xyuas zoo yuav muab kev pabcuam txhim khu kev qha thoob plaws lawv lub neej tsim hauv ntiaj teb qhov chaw khawb av uas xav tau tshaj plaws. Ua ib qho ntawm peb lub tuam txhab tsim khoom siv hauv qab tsheb loj tshaj plaws hauv thaj av Quanzhou—ib pawg lag luam tseem ceeb rau kev tsim cov tshuab hnyav—CQC TRACK tau tsim nws tus kheej ua tus thawj coj hauv kev tsim thiab tsim cov khoom siv hauv qab tsheb loj rau cov neeg khawb av.
9. Xaus Lus
Rau cov neeg tsav tsheb ntawm Hitachi ZX870-3LC excavators uas tau siv rau hauv kev khawb av, kev khawb pob zeb, kev tsim kho hnyav, thiab kev thauj av loj - lub tshuab 80–90 tuj ultra-class nrog kev xav tau ntau lawm txhua hnub - lub rooj sib dhos ntawm txoj kev khiav sab saud / lub rooj sib dhos uas sawv cev los ntawm tus lej ntu 4638433 yog ib qho khoom tseem ceeb uas nws qhov kev ntseeg tau ncaj qha cuam tshuam rau lub neej ntawm txoj kev khiav, kev sib dhos hauv qab, thiab lub sijhawm ua haujlwm ntawm lub tshuab. Cov khoom no kuj sib xws nrog ZX850-3, ZX870-5B/5G, ZX890-5A, EX1200-6, thiab lwm yam platform excavator, muab kev siv dav dav thoob plaws Hitachi cov kab loj excavator.
CQC TRACK txawv nws tus kheej ua ib lub chaw tsim khoom tshwj xeeb uas muab ntau tshaj ob xyoo caum ntawm kev txawj ntse hauv kev lag luam hlau, kev sib koom ua ke ntawm cov txheej txheem forging thiab kev kho cua sov, thiab ob lub qauv kev pabcuam OEM / ODM los xa cov khoom siv hauv qab uas ua haujlwm tau zoo nyob rau hauv cov xwm txheej nyuaj tshaj plaws. Ua ib qho ntawm peb lub chaw tsim khoom siv hauv qab hauv thaj av Quanzhou, CQC TRACK tau tsim nws tus kheej ua tus thawj coj hauv kev tsim thiab tsim cov khoom siv hauv qab ntawm lub tshuab khawb av hnyav.
Nrog cov khoom siv tshwj xeeb suav nrog cov hlau zoo tshaj plaws 50Mn, 40Mn2, thiab 42CrMo alloy; kev kho cua sov ua tiav HRC 55–60 qhov nyuaj ntawm qhov chaw khiav nrog 6–12 hli qhov tob ntawm lub thawv thiab HRC 28–35 qhov nyuaj ntawm lub hauv paus; cov txheej txheem sib khi ntau theem siab heev (cov neeg tiv thaiv labyrinth, cov ntsaws ruaj ruaj ntab, cov ntsaws ruaj ruaj roj NBR); thiab daim ntawv pov thawj zoo ISO 9001: 2015, CQC TRACK muab cov tswv nkoj thiab cov kws tshaj lij kev yuav khoom nrog cov kev daws teeb meem tsim uas ua tau raws li lossis tshaj OEM cov lus qhia.
Los ntawm kev nrhiav tau Hitachi 4638433 txoj kab sib dhos sab saud ncaj qha los ntawm lub Hoobkas, kev ua haujlwm hauv kev khawb av thiab kev tsim kho tau txais kev nkag mus rau qhov zoo sib xws, kev txhawb nqa kev siv tshuab ncaj qha, kev sib tw nqi (txuag tau 30–40% piv rau OEM), thiab kev xa khoom pob tshab - cov yam ntxwv uas ua ke ua kom zoo dua tag nrho cov nqi ntawm kev muaj thiab ua kom lub tshuab ua haujlwm tau zoo tshaj plaws hauv ntiaj teb qhov chaw ua haujlwm nyuaj tshaj plaws.
Tus Sau: Jack
Tshwj xeeb hauv cov khoom siv hnyav hauv qab, kev ntseeg tau ntawm cov tshuab khawb av, thiab cov tswv yim nrhiav khoom thoob ntiaj teb rau cov khoom siv hauv kev tsim kho.
Lus Ceeb Toom: Daim ntawv tshaj tawm no yog cov ntsiab lus thawj uas tsim los rau kev qhia thiab kev siv tshuab. Txhua tus lej khoom, cov npe hom, thiab cov ntaub ntawv los ntawm cov chaw tsim khoom tsuas yog siv rau kev txheeb xyuas thiab kev siv xwb. Ib txwm xyuas kom meej tias qhov sib xws nrog koj lub tshuab tus lej serial thiab kev teeb tsa hauv qab ua ntej yuav khoom. Cov txheej txheem teeb tsa tau muab los ntawm cov qauv kev lag luam yog muab rau kev siv; sab laj cov ntaub ntawv khoom siv thawj ua ntej ua kev saib xyuas. Cov ntaub ntawv lav yog sawv cev thiab yuav tsum tau lees paub nrog cov chaw tsim khoom thaum lub sijhawm yuav khoom. Hitachi pom zoo kom hloov tag nrho cov menyuam sab saud ntawm ob sab laug thiab sab xis tib lub sijhawm kom ntseeg tau tias kev ua haujlwm hauv qab thiab kev sib dhos ntawm txoj kev.
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