HITACHI 4473720 4648390 9127065 9134268 LV64D00001F1 ZX850 ZX870 ZAX870 ZX890 ZX900 SK850 Txoj Kev Sib Dhos Qis Dua / Lub luag haujlwm hnyav Crawler excavator chassis Cheebtsam qhov chaw tsim khoom / CQC TRACK

HITACHI ZX850/ZX900 Series Track Lower Roller Assembly—Kev Tshawb Fawb Txog Kev Tsim Kho Chassis ntawm Lub Tshuab Crawler Excavator Hnyav los ntawm Heli CQCTRACK

Tus Txheeb Xyuas Daim Ntawv: TWP-CQCT-HITACHI-ROLLER-12A
Lub Koom Haum Muab Tawm: Heli Machinery Manufacturing Co., Ltd. (CQCTRACK)
Cov Qauv Target: HITACHI ZX850, ZX870, ZAX870, ZX890, ZX900; KOBELCO SK850 Cov Tsheb Thauj Khoom Hnyav
Cov Khoom Siv Sib Koom Ua Ke:4473720, 4648390, 9127065, 9134268, LV64D00001F1
Tshuab Qhov Hnyav Chav Kawm: 80 - 95 tons (nyob ntawm kev teeb tsa thiab daim ntawv thov)
Hnub Luam Tawm: Lub Peb Hlis Ntuj xyoo 2026
Kev Faib Tawm: Cov Lus Qhia Txog Kev Tsim Kho Tshuab / Phau Ntawv Qhia Txog Kev Yuav Khoom Cheebtsam ntawm Lub Tshuab Crawler Excavator Hnyav

1. Cov Lus Qhia Tseem Ceeb: Heli CQCTRACK ua tus kws tshaj lij Chaw Tsim Khoom Siv Hnyav rau HITACHI ZX-Series Undercarriage Components

Hauv qhov chaw ua haujlwm hnyav 80–95 tuj, lub rooj sib dhos ntawm txoj kev qis dua - lwm txoj kev xaiv ua txoj kev dov lossis txoj kev dov hauv qab - sawv cev rau lub luag haujlwm tseem ceeb hauv lub kaw lus hauv qab. Cov khoom no ua lub luag haujlwm tseem ceeb ntawm kev txhawb nqa tag nrho qhov hnyav ntawm lub tshuab, faib cov av siab sib npaug thoob plaws txoj kev sib txuas, coj txoj kev sib txuas mus rau ntawm lub thav duab hauv qab, txo kev sib txhuam ntawm cov kev sib txuas ntawm txoj kev thiab cov qauv hauv qab, thiab nqus cov kev co los ntawm thaj chaw tsis sib xws los txhim kho kev ruaj khov ntawm lub tshuab thiab kev nplij siab ntawm tus neeg teb xov tooj. Rau HITACHI ZX850, ZX870, ZAX870, ZX890, thiab ZX900 platforms - cov khoom siv khawb hnyav uas tau siv dav hauv kev khawb av, kev khawb pob zeb, cov khoom siv hnyav, thiab cov ntawv thov loj - lub rooj sib dhos ntawm txoj kev qis dua sawv cev rau lub luag haujlwm tseem ceeb uas txiav txim siab txog kev ruaj khov ntawm lub tshuab, kev sib dhos ntawm txoj kev, thiab lub neej ntev ntawm lub hauv qab.

Heli Machinery (CQCTRACK) tau tsim nws tus kheej ua ib lub tuam txhab tsim khoom siv rau cov khoom siv hauv av loj, tsim cov khoom siv rau HITACHI ZX-series thiab cov ntawv thov sib xws. Daim ntawv dawb no muab kev piav qhia txog kev tsim kho ntawm HITACHI 4473720, 4648390, 9127065, 9134268, thiab LV64D00001F1 Track Lower Roller Assemblies, tshwj xeeb tshaj yog tsim rau ZX850, ZX870, ZX890, ZX900 excavator platforms thiab lawv cov variants.

Los ntawm kev koom ua ke cov khoom siv thev naus laus zis (siv cov hlau zoo xws li 50Mn, 40MnB, thiab 42CrMo sib npaug), cov txheej txheem forging sov uas raug kaw nrog cov noob nplej zoo tshaj plaws, cov txheej txheem kho cua sov siab heev ua tiav qhov nyuaj tshaj plaws (55-60 HRC nto nrog lub hauv paus tawv, 8-12 hli qhov tob), ntau theem sealing architecture tau lees paub rau kev ua qias tuaj ntau heev, thiab ISO 9001: 2015 cov txheej txheem tsim khoom tau ntawv pov thawj, Heli CQCTRACK xa cov khoom sib dhos qis dua uas ua tiav cov ntaub ntawv ua tau zoo sib xws nrog - thiab hauv cov ntsuas tshwj xeeb dhau ntawm - cov lus qhia tshwj xeeb ntawm cov khoom siv qub.

Rau cov kws tshwj xeeb hauv kev yuav khoom, cov kws kho tsheb thauj khoom, thiab cov thawj coj khoom siv uas tab tom nrhiav kev txhim kho tag nrho cov nqi ntawm kev muaj rau lawv cov HITACHI ZX-series thiab KOBELCO SK850 cov tsheb thauj khoom hnyav uas ua haujlwm hauv kev khawb av thiab kev tsim kho loj, daim ntawv no ua haujlwm ua cov ntaub ntawv siv thiab phau ntawv qhia txog kev nrhiav khoom.

2. Kev Txheeb Xyuas Cov Khoom Siv thiab Cov Qauv Sib Piv

Yuav kom ntseeg tau tias kev yuav khoom raug thiab kev sib koom ua ke zoo rau hauv cov kab ke hauv qab uas twb muaj lawm, cov ntawv txheeb xyuas cov ntaub ntawv hauv qab no txhais cov khoom siv tag nrho uas suav nrog hauv cov lus qhia no.

Rooj 1: Kev Hloov Pauv Tus lej Tag Nrho thiab Daim Ntawv Thov Tshuab

Kev Faib Tawm Cheebtsam: Kev Sib Dhos Qis Qis / Kev Sib Dhos Qis Qis / Kev Sib Dhos Qis / Hauv Qab Kev Dhos
Cov Tshuab Target: HITACHI ZX850, ZX870, ZAX870, ZX890, ZX900; KOBELCO SK850 Cov Khoom Siv Crawler Hnyav
Qhov Hnyav Ua Haujlwm: 80,000 kg - 95,000 kg (nyob ntawm qhov teeb tsa thiab xyoo tsim khoom)
Cov Haujlwm Tseem Ceeb:

• Txhawb nqa lub tshuab qhov hnyav thiab faib cov khoom thauj kom sib npaug thoob plaws txoj saw hlau
• Coj cov saw hlau mus raws li lub thav duab hauv qab lub tsheb thauj khoom kom du
• Txo kev sib txhuam ntawm cov kev sib txuas ntawm txoj kev thiab cov qauv hauv qab tsheb
• Nqus cov kev co los ntawm thaj chaw tsis sib luag, ua kom muaj kev ruaj khov thiab kev nplij siab rau tus neeg siv khoom
  Kev Teeb tsa Flange: Kev teeb tsa ob-flange rau kev tswj cov saw hlau zoo thiab kev taw qhia sab hauv qab cov xwm txheej siab sab uas feem ntau siv rau hauv cov ntawv thov mining
  Chaw Tsim Khoom: Heli Machinery Manufacturing Co., Ltd. (Hom: CQCTRACK) - ISO 9001: 2015 Chaw Muaj Ntawv Pov Thawj
  Lub Hom Phiaj Tsim Kho: Cov khoom siv hloov pauv hnyav rau kev khawb av uas tau tsim los rau kev sib pauv 1: 1 yam tsis muaj kev hloov kho

2.1 Kev Sib Koom Ua Ke Hauv Lub Tsheb Sib Dhos

Lub Rooj Sib Dhos Qis Qis ntawm Txoj Kev Khiav tsis ua haujlwm ua ib qho khoom cais tab sis yog ib qho tseem ceeb ntawm kev thauj khoom hauv lub kaw lus hauv qab tsheb:

• Cov Qauv Hauv Qab: Cov menyuam qis dua tau teeb tsa rau ntawm lub thav duab ntawm lub log tsheb (lub thav duab ntawm txoj kev) ntawm cov ntsia hlau, muab tso rau hauv qab ntawm lub tsheb kom txhawb nqa qhov hnyav ntawm lub tshuab thiab coj cov saw hlau.
• Lub Ntsiab Lus Ua Haujlwm: Cov menyuam no nqa ib feem tseem ceeb ntawm qhov hnyav ua haujlwm ntawm lub tshuab khawb av, faib cov siab hauv av thiab ua kom lub tshuab ruaj khov thaum lub sijhawm khawb av, nqa, thiab mus ncig ua haujlwm.
• Kev Teeb tsa Flange: Kev teeb tsa ob-flange muab kev tswj hwm zoo ntawm ob sab rau kev taw qhia siab tshaj plaws nyob rau hauv cov xwm txheej siab ntawm sab-load yam ntxwv ntawm cov ntawv thov mining.
• Kev Teeb tsa Mounting: Lub rooj sib dhos muaj cov khoom siv sib txuas ua ke (cov qhov kawg ntawm lub ncej nrog cov qhov ntsia hlau lossis cov ntsia hlau mounting) uas ruaj ntseg lub roller rau ntawm tus ncej.

3. Kev Tsim Kho Dua Tshiab: Kev Tshawb Fawb Txog Heli CQCTRACK HITACHI ZX850/ZX900 Cov Khoom Siv Hnyav-Duty Lower Roller Assemblies

Qhov kev ua tau ntev ntawm txhua lub rooj sib dhos qis dua ntawm txoj kev khiav hauv cov ntawv thov kev khawb av hnyav yog txiav txim siab los ntawm kev sib koom ua ke ntawm tsib lub hauv paus tseem ceeb ntawm kev tsim kho: cov qauv plhaub ntawm lub log, cov hlau metallurgy, cov kabmob, cov qauv sealing, thiab cov txheej txheem lubrication.Heli CQCTRACKcov kws ua vaj tse txhua lub subsystems no nrog kev ua haujlwm raug rau 80–95 tuj chav kawm excavator daim ntawv thov hauv cov xwm txheej ua haujlwm hnyav.

3.1 Cov Qauv Plhaub Rau Cov Menyuam: Cov Hlau Uas Ua Los Ntawm Hlau Rau Cov Ntawv Thov Hnyav-Ua Haujlwm Mining

Lub plhaub ntawm lub log yog lub hauv paus tseem ceeb ntawm lub rooj sib dhos, xa tag nrho qhov hnyav ntawm lub tshuab mus rau txoj saw hlau thaum tiv taus kev hnav tsis zoo los ntawm kev sib tsoo hauv av thiab kev sib koom ua ke ntawm cov saw hlau.

3.1.1 Kev Xaiv Khoom Siv thiab Kev Tsim Kho Alloy

Heli CQCTRACK siv cov khoom siv xaiv zoo raws li qhov xav tau ntawm daim ntawv thov, siv cov hlau alloy zoo uas tau ua pov thawj hauv cov ntawv thov hnyav hauv qab:

• Qib Khoom Siv Tseem Ceeb: 50Mn lossis 40MnB Manganese-Boron Alloy Steel—xaiv rau qhov ua kom tawv thiab muaj zog rau kev khawb av thiab kev tsim kho hnyav. Cov ntaub ntawv no ua tiav qhov tsim nyog hnav-tiv taus thiab muaj peev xwm thauj khoom los ntawm kev ua tiav thiab cov txheej txheem kho cua sov tshwj xeeb.
• Kev Xaiv Qib Siab Tshaj Plaws: 42CrMo sib npaug hlau alloy (UTS: 950 MPa) rau cov ntawv thov uas xav tau lub zog zoo dua thiab tiv taus kev qaug zog.
• Lwm Cov Lus Qhia: SAE 1055 lossis 4140 sib npaug cov pa roj carbon siab, cov hlau alloy siab chromium rau kev tiv thaiv kev hnav zoo dua.
• Kev Ua Haujlwm ntawm Manganese: Txhim kho qhov nyuaj thiab lub zog tensile; ua kom qhov nyuaj nkag mus tob thaum lub sijhawm quenching es tsis yog tsim ib txheej nyias, brittle.
• Boron Micro-Alloying: Txawm tias nyob rau hauv cov feeb concentration (qhov ib lab), boron ua haujlwm ua ib qho catalyst hardenability, ua rau cov hlau muaj peev xwm ua tiav cov qauv tawv, martensitic thaum quenching yam tsis muaj brittleness.

Rooj 2: Kev Sib Piv Qib Khoom Siv Rau Cov Ntawv Thov Hnyav-Duty Lower Roller

3.1.2 Kev Forging Sov: Txoj Kev Tsim Khoom Zoo Tshaj Plaws

Txoj kev tsim khoom feem ntau txiav txim siab qhov qauv noob sab hauv thiab, yog li ntawd, cov yam ntxwv ua tau zoo ntawm cov menyuam tiav lawm.

Kev Tsim Kho Sov Sov / Kev Tsim Kho Forged (Heli CQCTRACK Txheem):

• Txheej Txheem: Kev kho cua sov forging (kwv yees li 700-900 ° C) tsim cov qauv faib tawm ntawm cov khoom siv sab hauv, muab cov noob zoo dua.
• Kev Tsim Kho Cov Qauv Nplej: Cov txheej txheem forging sib dhos cov nplej ntws kom ua raws li cov duab ntawm lub roller, tsim cov qauv nplej anisotropic uas ua rau pom kev tiv taus kev qaug zog thiab lub zog cuam tshuam zoo dua. Cov nplej ntws zoo no yog qhov tseem ceeb rau kev tiv taus qhov kev thauj khoom cyclic uas muaj nyob rau hauv kev ua haujlwm hnyav excavator.
• Kev Ncaj Ncees Sab Hauv: Tshem tawm cov qhov khoob sab hauv, porosity, thiab micro-inclusions uas feem ntau pom hauv castings; tsim cov qauv ntom ntom, txuas ntxiv mus yam tsis muaj porosity thiab shrinkage.
• Qhov Zoo ntawm Kev Ua Haujlwm: Lub zog cuam tshuam zoo tshaj plaws thiab kev tiv taus qaug zog rau cov chaw thauj khoom siab, cov chaw khawb av abrasive; muaj peev xwm thauj khoom ntau tshaj plaws nrog cov teebmeem tiv thaiv kev tawg zoo heev. Cov menyuam forged yog qhov nyiam rau kev ua haujlwm siab xws li kev khawb av lossis cov khawb av hnyav.

Kev Tsim Kho Cast (Lwm Txoj Hauv Kev Lag Luam):

• Txheej Txheem: Cov hlau molten raug nchuav rau hauv pwm thiab cia kom khov.
• Cov Kev Txwv ntawm Cov Qauv: Cov qauv granular, tej zaum yuav muaj qhov porous nrog rau tej zaum yuav muaj cov micro-voids thiab cov noob tsis sib xws; qhov tsis zoo me me xws li kev suav nrog lossis cov qhov shrinkage tuaj yeem tshwm sim.
• Kev Txwv ntawm Kev Ua Haujlwm: Lub zog tensile qis dua; yooj yim tawg thaum muaj kev ntxhov siab ntau.
• Kev Tsim Nyog Rau Daim Ntawv Thov: Kev casting yog qhov zoo tagnrho rau cov tshuab ua haujlwm sib dua uas xav tau kev sib npaug ntawm tus nqi thiab kev ua tau zoo, tab sis tsis pom zoo rau 80-95 tuj daim ntawv thov mining.

Rooj 3: Kev Sib Piv ntawm Forged thiab Cast Lower Roller

3.1.3 Kev Tsim Kho Geometry Ob Chav-Flange

Cov flanges roller muab kev taw qhia tseem ceeb rau sab ntawm txoj saw hlau, tiv thaiv kev tawm tsam thaum lub sijhawm tig thiab tswj kev sib dhos kom zoo nyob rau hauv cov xwm txheej siab ntawm sab uas feem ntau siv rau hauv kev siv mining.

• Kev Teeb tsa Ob Chav-Flange: Muab kev tswj hwm zoo ntawm ob sab rau kev taw qhia siab tshaj plaws.
• Kev Ntsuas Qhov Tseeb: Cov ntaub ntawv flange raug tshuab kom ua raws li qhov kam rau siab (± 0.1 hli) kom sib txuas lus meej nrog cov sib txuas ntawm txoj kab, kom ntseeg tau tias muaj kev sib koom tes zoo thiab txo qis kev hnav.
• Cov Nto Flange Uas Tau Kho Kom Ruaj: Cov sab ntawm flange tau txais kev kho mob induction hardening zoo ib yam li cov nto khiav kom tiv taus kev hnav los ntawm kev sib txuas sab nraud nyob rau hauv cov xwm txheej siab ntawm sab uas feem ntau siv rau hauv cov ntawv thov khawb av.

3.2 Kev Siv Hlau Thiab Kev Tsim Kho Qhov Chaw

Lub ncej ruaj khov xa cov khoom thauj tag nrho ntawm lub excavator los ntawm lub plhaub roller mus rau lub thav duab mounting brackets.

• Kev Xaiv Khoom Siv: Lub ncej yog machined los ntawm high-tensile 40Cr, 42CrMo, lossis 20CrMnTi alloy steel, xaiv rau nws qhov tshwj xeeb lub zog-rau-qhov hnyav piv thiab qaug zog tsis kam. Cov ntaub ntawv no muab cov khoom tsim nyog los tiv taus lub sijhawm khoov uas tsim los ntawm cov cantilevered roller configuration hauv 80-95 tuj chav kawm ntawv daim ntawv thov.
• Kev Kho Mob Kub: Lub ncej raug quenching thiab tempering (Q + T) kev kho cua sov kom ua tiav qhov zoo tshaj plaws ntawm lub hauv paus toughness thiab lub zog.
• Kev Tsim Kho Qhov Chaw: Tom qab CNC tig, lub qhov yog precision-grinded rau qhov chaw tiav zoo li daim iav (Ra ≤ 0.4 μm) ntawm txhua qhov chaw sib cuag ntawm cov kabmob thiab cov foob. Cov cheeb tsam foob tseem ceeb tau txais kev kho kom tawv kom ua tiav qhov nyuaj ntawm qhov chaw HRC 55-60 nrog qhov tob ntawm txheej tawv txog 5-8 hli.
• Kev Txhim Kho Txoj Kab uas hla: Cov kws ua haujlwm Heli CQCTRACK tau txhim kho txoj kab uas hla ntawm lub qhov raws li kev xam HITACHI ZX850/ZX900, kom ntseeg tau tias muaj kev nyab xeeb txaus rau cov voj voog ua haujlwm hauv kev khawb av.

3.3 Lub Cev Muaj Zog: Kev Sib Txuas Lus Hnyav

Lub kaw lus bearing ua rau kev sib hloov ntawm lub plhaub roller ncig lub ncej ruaj khov nyob rau hauv qhov loj heev radial thiab qee qhov axial loads yam ntxwv ntawm kev ua haujlwm mining.

• Kev Xaiv Hom Bearing: Heli CQCTRACK siv cov bearings hnyav-duty tapered roller bearings tshwj xeeb tsim los tswj cov radial loads hnyav uas tsim los ntawm lub tshuab qhov hnyav thiab dynamic forces. Tapered roller bearings raug xaiv tshwj xeeb los tswj ob qho tib si radial loads loj heev los ntawm lub tshuab qhov hnyav thiab cov axial (thrust) tseem ceeb uas tsim los thaum lub sijhawm tig tshuab thiab kev ua haujlwm sab-sloping.
• Kev Sib Tw Kho Kub: Txhua qhov kev sib tw bearing yog tsim los ntawm cov hlau zoo tshaj plaws nrog cov kev sib tw induction-hardened kom tiv taus Brinelling (qhov chaw denting) nyob rau hauv cov khoom cuam tshuam. Kev kho cua sov txuas mus rau thaj chaw thauj khoom tseem ceeb, ua kom ntseeg tau tias muaj kev ruaj khov ntev.
• Kev Txheeb Xyuas Qhov Ntsuas Kev Thauj Khoom: Txhua qhov kev teeb tsa ntawm cov kabmob tau txheeb xyuas kom tiv taus cov khoom thauj static thiab dynamic uas tsim los ntawm 80–95 tuj excavator thaum lub sijhawm khawb, nqa, mus ncig, thiab ua haujlwm co hauv cov chaw khawb av. Cov yam ntxwv kev nyab xeeb tshaj qhov qauv kev lag luam rau cov ntawv thov hnyav.
• Kev Txhim Kho Sab Hauv: Cov bearings raug xaiv nrog kev tswj hwm sab hauv kom haum rau kev nthuav dav thermal thaum lub sijhawm ua haujlwm tas mus li thaum tswj hwm kev faib khoom kom raug.

3.4 Kev Tsim Kho Sealing: Kev Sib Txuas Tribological Uas Muaj Zog Rau Cov Chaw Ua Mining

Cov ntaub ntawv kev lag luam qhia tau tias ntau tshaj 90% ntawm kev ua tsis tiav ua ntej lub sijhawm yog los ntawm kev nkag mus rau hauv cov kuab paug ua rau kev ua tsis tiav ntawm cov kabmob - hom kev ua tsis tiav sai heev hauv cov chaw ua haujlwm hauv kev khawb av. Kev ruaj khov ntawm lub foob ncaj qha txiav txim siab lub neej ua haujlwm ntawm tag nrho cov menyuam sib dhos. Heli CQCTRACK daws qhov teeb meem no los ntawm kev tsim kho ntau theem uas tau lees paub rau kev ua qias tuaj ntau heev.

3.4.1 Lub Tshuab Sealing Ntau Theem

Cov kws ua haujlwm Heli CQCTRACK siv cov qauv sib khi ntau theem uas tsim los rau lub neej ntev thiab kev ua haujlwm zoo meej hauv txhua qhov xwm txheej ua haujlwm:

• Kev Tiv Thaiv Thawj Zaug (Txoj Kev Labyrinth): Txoj kev labyrinth uas muaj roj ntau siv cov qauv geometry nyuaj los tshem tawm cov khoom me me loj xws li av nkos, xuab zeb ntxhib, thiab cov khib nyiab khawb av ua ntej nws mus txog qhov chaw sib txuas thawj zaug.
• Kev Tiv Thaiv Thib Ob (Lub Rooj Sib Tw Ntaus / Lub Rooj Sib Tw Duo-Cone): Cov rooj sib tw ntaus ua haujlwm siab (lub rooj sib tw ntaus tshuab) muaj ob lub nplhaib sib khi hlau uas ua haujlwm zoo (ib qho ruaj khov, ib qho tig) uas tsim lub foob labyrinth thawj zaug, siv zog los ntawm cov roj hmab toroidal O-rings uas muab lub foob ruaj khov. Cov foob no tswj tau qhov nruj ntawm huab cua txawm tias nyob hauv qhov kub thiab txias heev thiab qib kev ua qias tuaj.
• Lub Rooj Sib Tw Hlau: Muab lub tsev ruaj khov, nias-haum rau cov ntsaws ruaj ruaj, xyuas kom meej tias lawv nyob twj ywm thiab ua haujlwm tau zoo hauv qab kev co thiab kev thauj khoom.
• Cov Pluas Hmoo / Cov Ntiv Nplhaib Ntau Txheej: Ib qho thaiv sab nraud uas tsim los kom tshem tawm cov khoom tsis huv xws li cov av nkos, xuab zeb, thiab av nkos kom tsis txhob mus txog lub foob thawj.

3.4.2 Cov Lus Qhia Txog Cov Roj Floating

• Khoom siv: Ua los ntawm 15Cr3Mo hlau alloy, ua tiav qhov nyuaj HRC 65-72.
• Kev Ntsuas Qhov Nto Sealing: Ua haujlwm ci ntsa iab band roughness tswj hwm ntawm 0.1μm-0.2μm rau kev ua haujlwm zoo tshaj plaws sealing.

3.4.3 Kev Tsim Khoom Siv O-Ring

• Cov Khoom Siv Txheem: Nitrile roj hmab (NBR) copolymerized nrog butene thiab acrylonitrile, muab kev tiv thaiv roj zoo heev thiab kev tiv thaiv kub siab.
• Kev Ua Haujlwm Kub: Haum rau ntau yam huab cua ntawm -30 ° C txog + 130 ° C.

3.4.4 Kev Ntsuas Kev Ruaj Ntseg ntawm Lub foob

Txhua lub Heli CQCTRACK roller assembly raug kuaj xyuas qhov ruaj khov ntawm lub foob:

• Kev Ntsuas Qhov Xaus: Txhua lub menyuam sib dhos ua ke dhau los ntawm kev kuaj qhov xau kom lav qhov kev ua tau zoo ntawm kev sib khi.
• Kev Ntsuas Kev Poob Siab: Kev ntsuas kev poob siab ntawm huab cua ua pov thawj qhov ua tau zoo ntawm lub foob ua ntej lubrication - qhov kev lees paub tseem ceeb rau cov ntawv thov khawb av uas muaj kuab paug ntau heev.

3.5 Kev Tsim Kho Lubrication

• Hom Kev Siv Lubrication: Tsim los ua cov khoom kaw thiab lubricated-rau-lub neej, tsis tas yuav tsum tau greasing txij nkawm. Cov sib dhos no tau kaw thiab pre-lubricated ntawm lub Hoobkas rau tag nrho lub neej kev pabcuam ntawm lub roller.
• Hom Roj: Lub Hoobkas puv nrog cov roj lithium complex EP (Extreme Pressure) uas muaj viscosity siab.
• Lub Tshuab Nqus Roj Sab Hauv: Tus qauv tsim sab hauv txhawb kev ncig roj kom zoo rau txhua qhov chaw ntawm lub cev, ua kom muaj kev nplua nuj thoob plaws lub neej ua haujlwm.
• Kev Sib Txuas Roj (Zerk Fitting): Muab qhov chaw nres nkoj txheem rau kev qhia txog roj thaum lub sijhawm sib dhos thawj zaug thiab kev saib xyuas tsis tu ncua kom rov ua kom lub thawv roj sab hauv rov qab muaj roj.
• Kev Ua Haujlwm Kub: -30 ° C txog + 130 ° C, tsim nyog rau ntau yam huab cua los ntawm arctic mus rau thaj chaw mining hauv suab puam.

3.6 Kev Tsim Kho Kev Sib Txuas Lus

Cov kev sib txuas mounting (qhov kawg ntawm lub ncej) muab qhov kev sib txuas tseem ceeb rau lub excavator's track roller frame.

• Cov Rooj Sib Txuas: Cov lugs forged lossis fabricated ntawm txhua qhov kawg ntawm lub qhov uas muab lub bolting interface los txuas lub rooj sib dhos rau lub excavator txoj kev thav duab kom ruaj ntseg.
• Kev Ntsuas Qhov Qhov: Cov qhov mounting raug tho kom raug qhov nruab nrab ntawm qhov chaw nruab nrab kom ntseeg tau tias muaj kev faib khoom sib npaug.
• Qhov Tiaj Nto: Tswj kom tsis pub dhau 0.1 hli kom ntseeg tau tias zaum zoo rau ntawm tus ncej thiab tiv thaiv kev ntxhov siab ntawm kev teeb tsa.
• Kev Tuav Txoj Hau Kev: Ruaj ntseg nrog cov ntsia hlau raws li tau teev tseg los ntawm kev teeb tsa tshuab.

4. Kev Tsim Khoom Siv Hnyav

Heli CQCTRACK tswj kev sib koom ua ke ntawm cov khoom tsim khoom, tshem tawm qhov sib txawv uas tshwm sim los ntawm cov txheej txheem cog lus ua haujlwm thiab ua kom muaj cov khoom zoo sib xws rau HITACHI ZX850/ZX900 cov ntawv thov mining.

4.1 Kev Txheeb Xyuas Metallurgical thiab Kev Tshuaj Xyuas Tuaj

• Kev Tshuaj Xyuas Spectrochemical: Cov hlau billets tuaj yeem raug tshuaj xyuas spectrochemical los xyuas kom meej cov tshuaj lom neeg muaj pes tsawg leeg - xyuas kom ua raws li cov lus qhia rau cov pa roj carbon, manganese, chromium, thiab boron tseem ceeb rau kev tawv.
• Kev Ntsuas Ultrasonic: Cov ntaub ntawv raw raug kuaj xyuas ultrasonic kom pom cov qhov khoob sab hauv, cov khoom suav nrog, lossis kev tsis sib txuas uas yuav ua rau muaj kev puas tsuaj rau cov qauv hauv qab cov khoom thauj mining.
• Kev Txheeb Xyuas Cov Qauv Nplej: Cov qauv hlau los ntawm cov khoom forged ua pov thawj tias cov nplej ntws sib phim zoo.

4.2 Kev Ua Kom Tiav Thiab Kev Ua Haujlwm Uas Muaj Kev Ntsuas Zoo

Cov txheej txheem tsim khoom ua raws li kev ua haujlwm zoo nrog cov cuab yeej siv tshuab CNC thoob ntiaj teb thiab hauv tsev nrog rau cov khoom siv kho cua sov siab / nruab nrab:

4.2.1 Kev Npaj Khoom Siv Raw

• Cov hlau billets raug txiav rau qhov ntev raws li qhov loj me thiab qhov hnyav uas xav tau.
• Kev taug qab cov khoom siv tau tsim los ntawm theem txiav thawj zaug.

4.2.2 Kev Ua Kub Sov

• Cov billets raug cua sov rau qhov kub forging sov (kwv yees li 700-900 ° C).
• Kev kaw-tuag forging nyob rau hauv cov xovxwm siab-tonnage ua rau lub billet, tsim kom muaj qhov sib txawv ntawm cov khoom siv sab hauv fiber ntws faib cov qauv uas ua raws li cov menyuam contour.
• Flash raug txiav, thiab lub forged blank raug kuaj xyuas pom.

4.2.3 Cov Txheej Txheem Kho Kub

Heli CQCTRACK siv cov txheej txheem kho cua sov ob theem kom ua tiav cov khoom siv kho tshuab zoo tshaj plaws:

Theem 1: Kev Tua thiab Kev Kub (Q+T)

• Austenitizing: Lub cev roller raug cua sov rau qhov kub tseem ceeb (kwv yees li 850-900 ° C) los hloov cov qauv me me mus rau austenite.
• Kev Tua Hluav Taws Xob: Kev txias sai hauv roj lossis polymer quenchant hloov pauv austenite mus rau martensite - ib qho microstructure tawv, hnav-resistant.
• Kev Ua Kub: Kev tswj hwm rov ua kom sov mus rau qhov kub nruab nrab (feem ntau yog 400-600 ° C) txo cov kev ntxhov siab sab hauv thaum tswj hwm lub hauv paus ruaj khov.

Theem 2: Kev Kho Kom Ruaj Khov / Kev Kho Kom Nto Nto Nruab Nrab

• Kev Xaiv Kho Kom Ruaj Khoov: Kev kho kom ruaj khov ntawm qhov nruab nrab zaus tsim kom muaj qhov sib sib zog nqus, sib xws ntawm qhov chaw khiav thiab flange flanks.
• Kev Ua Haujlwm Tswj Xyuas Los Ntawm Khoos Phis Tawj: Txhua yam kev ntsuas (lub zog, zaus, qhov nrawm ntawm kev hla, qhov ntws ntawm kev quench) raug saib xyuas digitally kom ntseeg tau tias qhov tob ntawm lub thawv sib xws.
• Cov Lus Qhia Txog Kev Ua Tau: Qhov nyuaj ntawm qhov chaw 55-60 HRC nrog qhov tob ntawm lub thawv 8-12 hli.

4.2.4 Kev Ua Haujlwm CNC Precision

• Kev Siv Tshuab Tsis Zoo: Lub tshuab ua kom sov tau teeb tsa rau ntawm CNC ntsug tig lathes rau kev siv tshuab tsis zoo ntawm qhov loj me.
• Kev Ua Kom Tiav Sab Nraud Txoj Kab uas hla: Kev tig kom raug ua tiav qhov kev kam rau siab kawg ntawm txoj kab uas hla.
• Kev Tsim Cov Qauv Flange: Cov qauv flange raug tshuab kom raug.
• Kev Siv Lub Qhov (Bore Machining): Lub qhov sab hauv yog precision-machined rau kev zaum ntawm cov kabmob thiab cov foob.
• Kev Siv Lub Ncej: Lub ncej yog CNC tig thiab sib tsoo rau qhov kawg nrog qhov tiav Ra ​​≤ 0.4 μm ntawm thaj chaw foob.
• Kev Sib Txuas Mounting Interface Machining: Cov qhov thiab cov nto mounting yog machined kom nruj tolerances.

4.2.5 Cov Txheej Txheem Sib Dhos

Kev sib dhos ua raws li cov txheej txheem nruj kom ntseeg tau tias cov khoom muaj kev ncaj ncees:

1. Kev Ntxuav Cheebtsam: Txhua qhov khoom raug tshuaj xyuas thiab ntxuav ua ntej sib dhos.
2. Kev Teeb tsa Bearing: Bearings raug teeb tsa nrog cov chaw teeb tsa ua ntej kom raug.
3. Kev Sib Dhos Cov Roj Sib Dhos: Cov nplhaib roj sib dhos tau sib dhos ua khub; cov nplaim sib dhos tau coated nrog roj; O-rings tau teeb tsa yam tsis muaj kev cuam tshuam.
4. Ntxig Ncej: Lub ncej yog ntxig nrog cov nplaim sib xyaw uas tau coated nrog me ntsis roj cav.
5. Kev Teeb Tsa Npog Kawg: Cov npog kawg tau teeb tsa nrog lub zog kom raug.
6. Kev Txheeb Xyuas Qhov Chaw Axial: Txheeb xyuas kom paub tseeb tias ua haujlwm zoo.
7. Kev Siv Roj: Txhua chav tsev raug kaw thiab roj kom ntseeg tau tias lub neej ua haujlwm ntev.
8. Kev Tshawb Xyuas Kev Tig: Lub roller sib dhos yuav tsum tig du nrog qee qhov kev tiv thaiv torque tab sis tsis muaj jamming.

4.2.6 Kev Khiav Kev Ntsuas thiab Kev Txheeb Xyuas Zoo

• Kev Ntsuas Khiav: Kev sim ua kom lub nra hnyav ua haujlwm kom paub tseeb tias nws ua haujlwm tau zoo thiab tig tau du.
• Kev Ntsuas Kev Ruaj Ntseg ntawm Lub Seal: Txhua lub roller uas tau sib dhos ua ke yuav raug kuaj xyuas qhov xau kom paub tseeb tias kev ua haujlwm ntawm lub sealing zoo.
• Kev Txheeb Xyuas Qhov Ntev: Kev tshuaj xyuas ntau kauj ruam suav nrog kev kuaj xyuas qhov ntev thiab kev sim qhov nyuaj ntawm qhov chaw.

4.2.7 Kev Kho Mob Nto thiab Txheej

• Kev Tua Hluav Taws Xob: Cov khoom raug tua hluav taws xob los ntxuav cov chaw thiab txhim kho kev nplaum xim.
• Txau Xim: Txheej tiv thaiv xeb rau kev tiv thaiv nto thiab tiv thaiv corrosion.
• Cov Kev Xaiv Xim: Txheem dub lossis daj, tuaj yeem hloov kho raws li cov neeg siv khoom xav tau.

4.2.8 Kev Ntim Khoom

• Kev Ntim Khoom Xa Tawm: Txhua yam khoom raug ntim kom ruaj ntseg siv cov thawv xa tawm zoo, cov thawv ntoo txhawb zog (fumigate seaworthy packing), lossis cov khoom ntim palletized raws li kev lag luam kom ntseeg tau tias muaj kev tiv thaiv siab tshaj plaws thaum thauj mus los.

Rooj 4: Cov Lus Qhia Txog Qhov Hardness—HITACHI ZX850/ZX900 Lub Rooj Sib Dhos Qis Hnyav

Kev Tsim Kho: Qhov ntau ntawm 55-60 HRC muab qhov zoo tshaj plaws tiv taus kev sib txhuam tiv thaiv cov saw hlau thiab cov khib nyiab hauv av hauv cov chaw khawb av. Qhov tob ntawm 8-12 hli ua kom ntseeg tau tias thaum qhov chaw hnav ntau txhiab teev ua haujlwm hauv cov xwm txheej khawb av, cov khoom siv tshiab uas tau nthuav tawm tseem muaj qhov nyuaj siab, tiv thaiv "kev hnav tawm" ua ntej thiab ncua sijhawm kev pabcuam. Lub hauv paus tawv (30-40 HRC) nqus cov kev co, tiv thaiv kev tawg thiab kev ua tsis tiav ntawm cov qauv hauv qab cov xwm txheej cuam tshuam ntawm cov ntawv thov khawb av.

5. Kev Tsim Kho Tshwj Xeeb rau HITACHI ZX850, ZX870, ZAX870, ZX890, ZX900, thiab KOBELCO SK850 Excavators

5.1 HITACHI ZX870 Platform Txheej Txheem Saib Xyuas

Lub HITACHI ZX870 crawler excavator sawv cev rau 80-85 tuj chav kawm hnyav-duty platform dav siv rau hauv kev khawb av, quarrying, thiab kev siv hauv kev tsim kho hnyav. Cov lus qhia tseem ceeb suav nrog:

• Qhov Hnyav Ua Haujlwm: 80,000 kg - 85,000 kg (nyob ntawm qhov teeb tsa, suav nrog ZX870LC-3 variants)
• Hom Kev Thauj Khoom Hauv Qab: Kev teeb tsa hnyav rau kev khawb av
• Daim Ntawv Thov: Kev tsim khoom siv quarrying, cov khoom siv hnyav, kev txhawb nqa mining

5.2 Kev Txheeb Xyuas Txog Lub Platform HITACHI ZX890 thiab ZX900

Cov ZX890 thiab ZX900 sawv cev rau HITACHI's 90-95 tuj chav kawm hnyav excavator platforms nrog cov yam ntxwv kev ua tau zoo dua rau cov ntawv thov mining hnyav:

• Qhov Hnyav Ua Haujlwm: 88,000 kg - 95,000 kg (nyob ntawm qhov teeb tsa)
• Kev Tsim Qauv Hauv Qab: Cov yam ntxwv ruaj khov qib kev khawb av
• Daim Ntawv Thov: Kev tsim khoom mining, hnyav quarrying, loj-scale earthmoving

5.3 KOBELCO SK850 Kev Sib Txuas Lus Ntawm Hom Lag Luam

Cov kev sib dhos qis dua no kuj tseem sib xws nrog KOBELCO SK850 lub tshuab khawb hnyav, uas sib koom cov qauv hauv qab nrog HITACHI ZX-series cov tshuab chav kawm.

5.4 Cov Kev Xav Txog Kev Tsim Kho Tshwj Xeeb ntawm Tus lej ib feem

Rooj 5: Cov yam ntxwv tshwj xeeb ntawm kev siv tshuab los ntawm tus lej seem

5.5 Cov Kev Cai Txheeb Xyuas Kev Sib Haum Xeeb

Ua ntej yuav khoom, xyuas kom meej cov txheej txheem hauv qab no kom paub tseeb tias xaiv cov menyuam kom raug:

• Tus lej Serial ntawm lub tshuab (rau xyoo qauv thiab kev teeb tsa meej)
• Hom kev teeb tsa hauv qab thiab txoj haujlwm ntawm lub log (tus qauv teeb tsa ob chav flange)
• Qhov dav ntawm khau khiav thiab qhov sib txawv ntawm cov saw hlau
• Tus lej ntawm qhov khoom dhau los (yog tias muaj rau kev siv sib piv)

6. Cov Cim Qhia Txog Kev Siv Thiab Kev Tshawb Fawb Txog Hom Kev Ua Tsis Tau Zoo

Kev nkag siab txog cov txheej txheem ntawm kev ua tsis tiav hauv 80–95 tuj chav kawm excavator mining daim ntawv thov lees paub cov kev xaiv engineering ua nyob rau hauv Heli CQCTRACK Cheebtsam thiab muab ib daim ntawv qhia kev rau kev saib xyuas ua ntej.

6.1 Cov Cim Qhia Txog Kev Hnav

Raws li cov ntaub ntawv kev lag luam, cov cim qhia hauv qab no qhia tias lub rooj sib dhos ntawm txoj kev taug kev yuav tsum tau kuaj xyuas lossis hloov pauv:

1. Kev hnav tsis sib npaug ntawm qhov chaw ntawm lub roller - Qhia txog kev thauj khoom tsis zoo lossis kev sib dhos tsis sib xws
2. Ua si ntau dhau los yog co - Qhia txog kev hnav lossis teeb meem sab hauv ntawm lub bearing
3. Roj to - Qhia tias lub foob tsis ua haujlwm thiab muaj kuab paug nkag mus
4. Lub suab sib tsoo los yog squeaking - Qhia txog kev tsis txaus lubrication lossis kev puas tsuaj ntawm cov kabmob
5. Suab nrov lossis kev co ntawm txoj kev - Qhia txog qhov ua rau lub log tsis ua haujlwm
6. Kev tig ntawm lub menyuam uas raug ntes los yog tawv - Lub menyuam uas raug ntes yuav pom tseeb tias nws tiaj tiaj
7. Cov kab nrib pleb lossis kev puas tsuaj pom tseeb - Kev ruaj khov ntawm cov qauv puas tsuaj

6.2 Kev Tshuaj Xyuas Hom Kev Ua Tsis Tau Zoo Thawj Zaug

Rooj 6: Kev Tshawb Fawb Txog Hom Kev Ua Tsis Tau Zoo thiab Heli CQCTRACK Engineering Countermeasures

7. Cov Kev Xyaum Saib Xyuas Kev Ua Haujlwm Hnyav Uas Pom Zoo

Yuav kom siv tau ntev tshaj plaws ntawm Heli CQCTRACK cov khoom sib dhos hauv HITACHI ZX850/ZX900 cov ntawv thov mining, cov kev coj ua txij nkawm hauv qab no raug pom zoo:

7.1 Cov Txheej Txheem Tshuaj Xyuas Tsis Tu Ncua

• Lub Sijhawm Tshuaj Xyuas: Tshuaj xyuas cov menyuam ntawm 250-teev lub sijhawm (ntau zaus dua hauv cov ntawv thov khawb av hnyav) rau cov pov thawj ntawm cov roj xau, cov qauv hnav tsis zoo, cov chaw tiaj tus, lossis kev puas tsuaj pom.
• Kev Tshawb Xyuas Txhua Hnub: Kev tshuaj xyuas txhua hnub yuav tsum suav nrog kev kuaj xyuas seb puas tsis tig, roj xau (qhia tias lub foob puas lawm), thiab flange hnav tsis zoo.
• Kev Ntsuas Kev Hnav: Kev ntsuas tsis tu ncua ntawm qhov siab ntawm flange thiab txoj kab uas hla ntawm cov menyuam tawm tsam cov kev txwv kev pabcuam yog qhov tseem ceeb heev.
• Kev Tshawb Xyuas Kev Tig: Xyuas kom tseeb tias txhua lub log tig tau ywj pheej—lub log uas raug rub yuav pom tseeb tias nkhaus thiab ua rau cov saw hlau puas sai dua. Txhua lub log uas tig tsis tau yuav tsum tau hloov tam sim ntawd.

7.2 Cov Txheej Txheem Kuaj Mob

• Kev Tshuaj Xyuas Pom: Xyuas seb puas muaj kev hnav tsis sib xws ntawm qhov chaw ntawm lub roller, uas tej zaum yuav qhia txog kev thauj khoom tsis zoo lossis kev sib dhos tsis sib xws.
• Kev Tshawb Pom Qhov Xaus: Tshawb xyuas seb puas muaj roj xau, uas qhia tias lub foob tsis ua haujlwm.
• Kev Tshuaj Xyuas Pob Ntseg: Mloog seb puas muaj suab sib tsoo lossis suab squeaking thaum lub sijhawm ua haujlwm, uas tej zaum yuav qhia tau tias tsis muaj roj nplua nyeem txaus lossis lub cev muaj kev puas tsuaj.
• Kev Txheeb Xyuas Kev Ua Si: Xyuas seb puas muaj kev ua si ntau dhau lossis kev co, uas qhia tias cov kabmob hnav.

7.3 Kev Txij Nkawm Tiv Thaiv

• Kev Tswj Xyuas Kev Nruj Ntawm Txoj Kev: Tswj kev nruj ntawm txoj kev raws li cov lus qhia ntawm HITACHI lub chaw tsim khoom. Kev nruj tsis raug yog qhov ua rau lub log hnav sai dua - nruj dhau ua rau lub log thiab lub tread hnav ntau dua; xoob dhau ua rau txoj kev sib tsoo thiab kev puas tsuaj.
• Cov Txheej Txheem Kev Huv Si: Ntxuav cov khib nyiab thiab av nkos tawm ntawm lub hauv qab kom tsis txhob muaj kev puas tsuaj sai sai. Hauv kev siv cov cuab yeej khawb av, yuav tsum tau ntxuav nrog lub tshuab siab heev tsis tu ncua.
• Kev Tshawb Xyuas Kev Sib Tho: Xyuas kom tseeb tias cov menyuam sib dhos nrog tus ncej ntawm txoj kev. Yog tias cov menyuam qhia tias lub flange hnav tsis sib npaug, qhov no qhia tau tias tsis sib haum uas yuav tsum tau tshawb xyuas.
• Kev Siv Lubrication Kom Yog: Siv cov roj grease uas kub thiab siab raws li qhov tau teev tseg raws sijhawm pom zoo. Kev siv roj grease ntau dhau tuaj yeem ua rau cov foob puas tsuaj, thaum kev siv roj grease tsawg dhau ua rau tsis txaus lubrication thiab kub dhau.
• Kev Hloov Kho Kom Zoo: Hloov cov menyuam uas puas lawm hauv cov pawg sib phim ntawm tib sab kom faib cov khoom thauj tau sib npaug thiab kev txuag khoom hauv qab. Kev hloov ib lub menyuam uas puas lawm ntawm lwm cov uas kuj puas lawm tuaj yeem ua rau kev faib khoom tsis sib npaug thiab ua rau cov khoom tshiab puas sai.

7.4 Cov Lus Qhia Txog Kev Hloov Chaw

Hloov cov ntu sprocket thaum:

• Kev hnav hniav ntau tshaj 8-12 hli txo qis los ntawm qhov profile qub
• Cov hniav qhia txog kev sib txuas lossis taw tes
• Txhua tus hniav qhia tias tawg los yog tawg
• Tus qauv hnav qhia txog qhov tob ntawm lub thawv siv (txheej tawv uas hnav dhau)
• Cov saw hlau feem ntau kav ntev li 3000-5000 teev hauv cov xwm txheej nruab nrab; cov menyuam yuav tsum tau soj ntsuam ua ke

8. Cov Lus Qhia Txog Kev Siv Tshuab—HITACHI ZX850/ZX900 Cov Khoom Siv Hnyav-Ua Haujlwm Qis Qis

Rooj 7: Cov Lus Qhia Txog Kev Siv Tshuab—Heli CQCTRACK HITACHI ZX850/ZX900 Cov Qis Dua

9. Kev Txhawb Nqa Khoom Siv Hnyav thiab Kev Pabcuam Logistics

Heli CQCTRACK txhawb nqa kev lag luam thoob ntiaj teb hauv kev khawb av thiab kev tsim kho hnyav nrog cov peev xwm xa khoom dav dav uas tsim los rau cov sijhawm ua haujlwm ntawm cov khoom siv hnyav:

• Cov Ntaub Ntawv Xa Khoom Mus Rau Lwm Lub Tebchaws: Cov ntawv xa khoom tag nrho, cov npe ntim khoom, daim ntawv pov thawj keeb kwm, thiab cov ntawv qhia txog kev kuaj khoom siv (EN 10204 3.1) muab nrog txhua qhov kev xa khoom.
• Cov Kev Xaiv Xa Khoom Yooj Yim:
  • Kev thauj khoom hiav txwv thoob ntiaj teb (FCL / LCL) rau kev thauj khoom ntau yam mus rau thaj chaw khawb av thoob ntiaj teb uas pheej yig
  • Kev thauj khoom los ntawm huab cua rau kev ua tiav qhov kev txiav txim sai thaum cov haujlwm mining ntsib lub sijhawm tsis ua haujlwm tseem ceeb
  • Cov neeg xa khoom sai (DHL, FedEx, UPS) rau cov qauv lossis cov xaj me me thaum muaj xwm txheej ceev
• Kev Ntim Khoom: Txhua yam khoom raug ntim kom ruaj ntseg siv cov thawv xa khoom zoo, cov thawv ntoo txhawb nqa (fumigate seaworthy packing), lossis cov khoom ntim palletized raws li kev lag luam kom ntseeg tau tias muaj kev tiv thaiv siab tshaj plaws thaum thauj mus los.
• Chaw Nres Nkoj: Xiamen, Suav Teb (thawj) nrog rau lub peev xwm rau lwm qhov chaw nres nkoj loj raws li cov neeg siv khoom xav tau
• Lub Sijhawm Ua Ntej: Cov lus txib tsim khoom txheem: 20-30 hnub ua haujlwm; cov khoom hauv Tshuag: 7-10 hnub rau kev xa khoom sai rau cov xwm txheej ceev hauv kev khawb av
• Qhov Kev Txiav Txim Yam Tsawg Kawg Nkaus: MOQ yooj ywm uas ua tau raws li kev txiav txim sim thiab kev yuav khoom ntau rau cov tuam txhab loj hauv kev khawb av
• Cov nqe lus them nqi: T/T (Telegraphic Transfer) tus qauv; L/C (Letter of Credit) muaj rau cov ntawv cog lus tseem ceeb hauv kev khawb av; lwm cov nqe lus sib tham tau raws li qhov ntau thiab tsawg thiab kev sib raug zoo nrog cov neeg siv khoom

10. Xaus Lus: Heli CQCTRACK ua qhov Kev Xaiv Hnyav Rau Kev Ua Haujlwm rau HITACHI ZX850/ZX900 Cov Cheebtsam Hauv Qab Tsheb

Lub tswv yim tsim khoom Heli CQCTRACK rau HITACHI 4473720, 4648390, 9127065, 9134268, thiab LV64D00001F1 Track Lower Roller Assemblies sawv cev rau kev nce qib tseem ceeb hauv kev siv tshuab hnyav hauv qab. Los ntawm kev xaiv cov khoom siv zoo (siv cov hlau alloy 50Mn/40MnB/42CrMo), kev ua kom sov zoo nrog kev sib dhos ntawm cov noob, cov txheej txheem kho cua sov induction siab heev ua tiav qhov nyuaj tshaj plaws ntawm 55-60 HRC nrog qhov tob ntawm 8-12 hli, cov roj foob uas tiv taus kev hnav (HRC 65-72 nrog qhov tiav ntawm 0.1-0.2μm), thiab cov txheej txheem tsim khoom uas tau ntawv pov thawj ISO 9001: 2015, Heli CQCTRACK xa cov khoom sib dhos qis dua uas ua tiav thiab tshaj cov qauv kev ua tau zoo OEM rau cov khoom siv HITACHI ZX850, ZX870, ZAX870, ZX890, thiab ZX900 uas xav tau tshaj plaws.

Rau tus thawj tswj khoom siv lossis tus kws tshwj xeeb hauv kev yuav khoom uas tswj hwm HITACHI ZX-series thiab KOBELCO SK850 excavator fleets ua haujlwm hauv kev khawb av, kev khawb av, cov khoom siv hnyav, thiab cov ntawv thov loj hauv kev thauj av, qhov txiaj ntsig yog qhov tseeb: kev nqis peev rau hauv Heli CQCTRACK cov khoom siv hnyav qis dua txhais tau tias kev nqis peev rau kev siv tshuab kom zoo tshaj plaws, txo qis lub sijhawm tsis tau npaj tseg, lub neej ntev ntawm cov khoom hauv cov chaw khawb av abrasive, thiab kwv yees tau, zoo tshaj plaws tag nrho cov nqi ntawm kev muaj.

Cov no tsis yog cov khoom siv hloov pauv dav dav - lawv yog cov kev daws teeb meem loj uas tau lees paub los ntawm cov txheej txheem tsim khoom uas tau ntawv pov thawj, txhawb nqa los ntawm kev taug qab cov khoom siv, thiab tsim los ntawm hauv av los ua kom tau raws li qhov xav tau ntawm kev khawb av thoob ntiaj teb thiab cov ntawv thov kev tsim kho hnyav uas qhov tsis ua haujlwm ntawm cov khoom tsis yog qhov kev xaiv.

11. Cov ntaub ntawv siv thiab cov peev txheej engineering

Yog xav paub ntxiv txog kev siv tshuab, kev txhawb nqa kev tsim kho, lossis los tham txog cov kev xav tau OEM/ODM hnyav:

• Kev Sab Laj Txog Kev Tsim Kho: Cov kws ua haujlwm Heli CQCTRACK muaj los tham txog cov voj voog ua haujlwm tshwj xeeb thiab pom zoo cov lus qhia zoo tshaj plaws ntawm cov khoom siv.
• Cov Duab Kos Txog Kev Siv Tshuab: Cov qauv CAD 2D thiab 3D ntxaws ntxaws muaj thaum thov rau kev txheeb xyuas engineering.
• Phau Ntawv Qhia Txog Kev Teeb Tsa: Cov lus qhia txog kev teeb tsa kom tiav raws li cov txheej txheem ntawm phau ntawv qhia kev pabcuam HITACHI muaj nrog txhua qhov kev xa khoom.
• Cov Ntawv Pov Thawj Khoom Siv: Cov ntawv qhia txog kev sim zeb thiab daim ntawv pov thawj kho cua sov muaj rau txhua pawg ntau lawm.
• Kev Txhawb Nqa Kev Sib Haum: Kev kos duab lossis kev txheeb xyuas tus lej serial muaj los xyuas kom meej tias muaj kev sib xws.

Yog xav paub ntxiv txog kev siv tshuab, xav paub ntxiv txog OEM/ODM, xav paub ntxiv txog tus nqi, los yog xav kom peb pab koj txiav txim:

Heli Machinery Manufacturing Co., Ltd. (CQCTRACK)
*ISO 9001: 2015 Muaj Ntawv Pov Thawj • Cov Khoom Siv Hnyav Crawler Excavator Chassis Chaw Tsim Khoom • Tus Muag Khoom Thoob Ntiaj Teb Txij Li Xyoo 2002*
Tiv Tauj: JACK (Tus Thawj Coj Muag Khoom Thoob Ntiaj Teb)
Lub vas sab hauv internet:www.cqctrack.com
Cov Khoom Siv: Cov Khoom Siv Qis Dua, Cov Khoom Siv Nqa Khoom, Cov Idlers Pem Hauv Ntej, Cov Sprockets Taug Kev, Cov Chains Taug Kev, thiab Cov Txheej Txheem Hauv Qab Tsheb rau 0.8T txog 300T Excavators thiab Bulldozers

Daim ntawv qhia txog kev siv tshuab no yog muab rau kev siv engineering thiab kev yuav khoom. Cov lus qhia tshwj xeeb yuav hloov pauv vim yog kev txhim kho khoom tas mus li rau cov ntawv thov hnyav. Txhua lub npe hom thiab cov lej ntawm qhov chaw tsuas yog siv rau kev siv sib piv xwb; Heli CQCTRACK yog ib lub chaw tsim khoom ywj pheej uas tshwj xeeb hauv cov khoom siv hauv qab rau kev khawb av, kev tsim kho, thiab kev siv av. Ib txwm xyuas cov lej serial ntawm lub tshuab thiab kev teeb tsa hauv qab ua ntej xaj.