HITACHI YA60015002 9231278 9184516 EX200 ZX200 ZAX240 Txoj Kev Sib Dhos Hauv Qab / OEM thiab ODM Cov khoom siv excavator zoo Qhov chaw tsim khoom thiab lub Hoobkas / CQC TRACK

Hitachi Track Bottom Roller Assembly: Engineering Durability rau EX200, ZX200 & ZAX240 Excavators

Hauv lub ntiaj teb uas cov hydraulic excavators xav tau ntau, lub undercarriage sawv cev rau lub hauv paus uas lub tshuab ua haujlwm tau zoo. Ntawm nws cov khoom, Track Bottom Roller Assembly—feem ntau hu ua lub lower roller lossis track roller—daim ntawv tag nrho qhov hnyav ntawm lub tshuab thaum coj cov saw hlau hla ntau thaj chaw. Rau Hitachi lub npe nrov EX200, ZX200, thiab ZAX240 series, qhov zoo thiab kev ntseeg tau ntawm cov bottom rollers cuam tshuam ncaj qha rau lub sijhawm ua haujlwm, cov nqi ua haujlwm, thiab cov khoom siv.

Tsab xov xwm no muab kev tshuaj xyuas kev ua haujlwm ntawm Hitachi cov khoom sib dhos hauv qab, tsom mus rau cov lej ntawm qhov chawYA60015002, 9231278, 9184516Nws tshawb nrhiav lawv cov lus qhia txog kev tsim kho vaj tse, kev sib raug zoo ntawm daim ntawv thov, cov kev xav tau ntawm cov hlau, thiab cov txiaj ntsig zoo ntawm kev nrhiav los ntawm cov chaw tsim khoom tshwj xeeb OEM thiab ODM xws liCQC TRACK.

1. Lub Luag Haujlwm Tseem Ceeb ntawm Kev Sib Dhos Hauv Qab ntawm Txoj Kev Khiav

Lub rooj sib dhos hauv qab ntawm txoj kev sib tw ua haujlwm ntau yam tseem ceeb hauv lub kaw lus hauv qab:

• Kev Faib Khoom: Txhua lub log xa ib feem ntawm lub tshuab qhov hnyav mus rau txoj saw hlau, faib cov siab hauv av kom sib npaug zos kom tiv thaiv kev poob ntau dhau hauv thaj chaw mos.
• Kev Taw Qhia Txog Txoj Kev: Cov flanges roller ua kom txoj saw hlau sib dhos, tiv thaiv kev txav mus rau sab uas yuav ua rau poob kev.
• Kev Nqus Tau Kev Poob Siab: Cov menyuam dov nqus cov khoom hnyav los ntawm thaj av tsis sib luag, tiv thaiv tus ncej khiav thiab lub zog tsav kawg los ntawm kev ntxhov siab ntau dhau.

Vim yog qhov chaw ua haujlwm hnyav—chaw khawb pob zeb, chaw khawb av hnyav, kev rhuav tshem hauv nroog, thiab kev tsim kho vaj tse hnyav—lub log hauv qab no yuav raug kev puas tsuaj, kev cuam tshuam, thiab kev ua qias tuaj tas li. Yog li ntawd, nws tus qauv tsim thiab cov khoom siv sib xyaw ua ke yog qhov tseem ceeb rau kev ntseeg siab mus sij hawm ntev.

2. Kev Txheeb Xyuas Cheebtsam thiab Daim Ntawv Qhia Daim Ntawv Thov

Cov lej peb ntu uas tau hais hauv tsab xov xwm no sib raug rau cov khoom sib dhos hauv qab uas siv thoob plaws Hitachi lub platform excavator nruab nrab:

 

Tus lej khoom	Cov Qauv Sib Xws	Hom Menyuam	Cov Nta Tseem Ceeb
YA60015002	EX200-1, EX215, EX220, EX200-5	Ib leeg-flange hauv qab roller	Legacy EX series; lub cev cam khwb cia ruaj khov; tsim rau cov tshuab chav kawm 20–22 tuj
9231278	ZX200-1, ZX250, ZX225, ZX210-3	Ib leeg-flange hauv qab roller	Lub platform ZX niaj hnub; optimized rau kev pabcuam ntev dua; sib xws nrog cov qauv ntev (LC)
9184516	ZAX240-3, ZAX240-5, ZX240-3, ZX240-5	Ib leeg-flange hauv qab roller	Kev tsim kho hnyav dua; haum rau chav kawm 24-27 tuj; muaj peev xwm thauj khoom ntau dua

Txawm hais tias EX200 thiab ZX200 muaj qhov hnyav zoo sib xws (kwv yees li 20 metric tons), lawv cov kab ke hauv qab sib txawv hauv qhov sib txawv ntawm txoj kev, qhov sib nrug ntawm cov menyuam, thiab qhov kev teeb tsa tsav kawg. ZAX240 thiab ZX240 sawv cev rau chav kawm hnyav dua (24–27 tons), xav tau cov menyuam hauv qab nrog lub peev xwm thauj khoom ntau dua thiab cov txheej txheem kaw zoo dua.

2.1 Kev Xav Txog Kev Siv Ntau Lub Platform

Rau cov thawj coj ntawm cov neeg ua haujlwm uas siv cov khoom siv Hitachi sib xyaw, kev nkag siab txog kev sib pauv tau yog qhov tseem ceeb heev. Lub 9231278 roller feem ntau sib xws nrog ZX200 series, thaum 9184516 yog tsim los rau chav kawm ZAX240 / ZX240 loj dua. YA60015002 tseem tshwj xeeb rau EX200 legacy platform, txawm hais tias qee lub tuam txhab tsim khoom tom qab muag muab cov qauv hloov kho tshiab uas hloov kho EX200 rau cov qauv niaj hnub sealing thiab metallurgy.

3. Cov Qauv Txuj Ci thiab Cov Nta Txuj Ci

3.1 Cov Kev Ntsuas Qhov Ntev

Cov menyuam hauv qab zoo yuav tsum ua raws li qhov loj me OEM kom paub tseeb tias haum thiab ua haujlwm zoo:

• Txoj kab uas hla ntawm cov menyuam: Feem ntau 220–260 hli nyob ntawm tus qauv thiab qhov nrug ntawm txoj kev
• Qhov Dav ntawm Flange: Tseem ceeb rau kev tswj hwm txoj kab sib dhos
• Tus Qauv Txuas Ntxig: Sib phim qhov kev khawb ntawm lub thav duab; feem ntau yog 2 lossis 4 lub ntsia hlau rau ib lub log
• Txoj kab uas hla ntawm lub ncej: Precision-ground kom haum rau hauv cov brackets mounting ntawm lub thav duab khiav

Cov chaw tsim khoom muaj koob npe zoo li CQC TRACK siv CMM (Coordinate Measuring Machine) kev tshuaj xyuas kom paub tseeb tias txhua lub menyuam ua tau raws li OEM qhov ntev kam rau siab hauv ± 0.1 hli.

3.2 Cov Khoom Siv Hlau

Lub rooj sib dhos hauv qab muaj ntau yam khoom, txhua yam xav tau cov khoom siv tshwj xeeb:

Cov hlau forged yog qhov nyiam dua li cov kev xaiv cam khwb cia vim tias forging ua kom cov qauv nplej zoo dua, tshem tawm cov qhov khoob sab hauv thiab txhim kho kev tawv - qhov tseem ceeb rau cov khoom uas raug kev cuam tshuam cyclic.

3.3 Cov Qauv Kho Mob Kub

Lub cev log tsheb raug kev kub ntxhov los ntawm kev siv induction hardening rau ntawm qhov chaw ntawm lub tread (qhov chaw uas cov saw hlau sib cuag) thiab cov nplaim ntawm lub flange. Cov lus qhia tseem ceeb suav nrog:

• Qhov Nyuaj Ntawm Qhov Chaw: 52–58 HRC
• Qhov tob ntawm lub thawv: 6–12 hli (nyob ntawm qhov loj ntawm lub menyuam thiab daim ntawv thov)
• Qhov Nyuaj Ntawm Lub Core: 28–35 HRC (tswj tau qhov ductility rau kev nqus tau qhov cuam tshuam)

Kev hloov pauv ntawm qhov nyuaj mus rau qhov tseem ceeb ntawm qhov chaw tiv thaiv kev tawg thiab kev tawg - cov hom kev ua tsis tiav uas feem ntau tshwm sim hauv cov menyuam tsis zoo.

3.4 Lub Tshuab Kaw

Lub kaw lus kaw yog qhov tseem ceeb tshaj plaws ntawm lub log hauv qab lub neej ntev. Cov khoom qias neeg (av, xuab zeb, dej) ua rau cov bearings puas tsuaj sai sai thiab ua rau lub log co. Cov log hauv qab zoo siv:

• Kev Siv Tshuab Floating Seal: Duo-cone lossis sib npaug ntawm cov hlau-ntsej muag nrog cov nplhaib hnav iav tiav lawm
• Cov Khoom Siv Ruaj Ntseg: Nitrile roj hmab (NBR) rau cov ntawv thov txheem; fluoroelastomer (FKM) rau qhov chaw kub siab lossis lub sijhawm pabcuam ntev
• Qhov Zoo ntawm O-Ring: Ua kom raug thiab ua kom ruaj khov thiab tiv thaiv kom tsis txhob xau

Cov YA60015002, 9231278, thiab 9184516 rollers tsim los ntawm CQC TRACK tau sib sau ua ke nrog cov foob ntab uas dhau los ntawm kev sim siab kom paub tseeb tias tsis muaj qhov xau ua ntej xa khoom.

4. Kev Tsim Khoom OEM thiab ODM: Qhov Zoo ntawm Kev Yuav Khoom

Rau cov neeg yuav khoom thoob ntiaj teb - txawm tias cov neeg faib khoom tom qab muag, cov neeg tsav tsheb thauj khoom, lossis cov neeg kho dua tshiab - kev nkag siab txog qhov sib txawv ntawm OEM thiab ODM kev tsim khoom yog qhov tseem ceeb thaum xaiv tus neeg muag khoom zoo li CQC TRACK.

Rau Hitachi cov menyuam hauv qab, cov chaw tsim khoom OEM / ODM muab:

• Kev Tsim Hom Lag Luam: Laser etching ntawm tus neeg yuav khoom lub logo, tus lej ntawm qhov chaw, thiab cov ntaub ntawv ntawm lub cev roller
• Kev Dais Teeb Meem Ntim Khoom: Cov thawv tshwj xeeb, cov ntawv lo, thiab kev ntim khoom rau cov khw muag khoom lossis cov khw muag khoom lag luam wholesale
• Kev Txhawb Nqa Engineering: Kev pab nrog kev sib txuas lus, kev txheeb xyuas qhov haum, thiab kev hloov kho tsim rau cov ntawv thov tshwj xeeb

5. Cov Txheej Txheem Kev Ntsuam Xyuas Zoo rau Cov Cheebtsam Qib Export-Grade

Thaum nrhiav cov log tsheb hauv qab los ntawm cov chaw tsim khoom xws li CQC TRACK, cov neeg yuav khoom thoob ntiaj teb yuav tsum xav tias yuav muaj kev tswj xyuas zoo uas dhau qhov kev tshuaj xyuas pom yooj yim.

5.1 Kev taug qab cov khoom siv

Txhua pawg hlau siv rau forging rollers yog nrog los ntawm daim ntawv pov thawj kuaj zeb (MTC) pov thawj cov tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv kho tshuab. Qhov kev taug qab no ua kom muaj kev sib xws thiab tso cai rau cov neeg yuav khoom los txheeb xyuas kev ua raws li cov qauv thoob ntiaj teb (ASTM A29, EN 10083, lossis cov sib npaug).

5.2 Kev Tshuaj Xyuas Qhov Ntev

Cov menyuam uas ua tiav lawm raug kuaj xyuas CMM kom paub tseeb tias:

• Txoj kab uas hla sab nraud thiab qhov dav ntawm flange hauv kev kam rau siab
• Lub taub hau thiab qhov ncaj
• Kev teeb tsa qhov bolt
• Concentricity thiab radial runout

Daim ntawv qhia txog Kev Tshuaj Xyuas Khoom Siv Thawj Zaug (FAI) feem ntau yog muab rau cov khoom tshiab, ua rau cov neeg yuav khoom ntseeg siab rau cov cuab yeej thiab cov txheej txheem tsim khoom.

5.3 Kev Txheeb Xyuas Qhov Nyuaj

Kev ntsuas qhov nyuaj ntawm qhov chaw ntawm lub tread mus rau lub hauv paus yog ua tiav los ntawm kev siv cov cuab yeej kuaj Rockwell lossis Vickers. Qhov tob ntawm lub rooj sib zog raug ntsuas kom ntseeg tau tias nws ua tau raws li qhov ntau yam teev tseg, nrog rau qhov sib txawv ntawm qhov nyuaj uas tiv thaiv kev tawg ntawm qhov chaw thaum muaj kev thauj khoom.

5.4 Kev Ntsuas Kev Ruaj Ntseg ntawm Lub foob

Txhua lub menyuam uas tau sib dhos ua ke yuav raug kuaj xyuas qhov siab ntawm huab cua kom paub tseeb tias lub foob pob ua haujlwm zoo. Cov menyuam uas ua tsis tau qhov kev xeem no yuav raug tsis lees txais thiab rhuav tshem kom paub tseeb tias tsuas yog cov khoom uas tsis xau thiaj li mus txog tus neeg siv khoom.

5.5 Kev Ntsuas Tsis Ua Rau Puas Tsuaj (NDT)

Tej yam tseem ceeb yuav raug tshuaj xyuas cov khoom sib nqus (MPI) kom pom cov kab nrib pleb ntawm qhov chaw lossis hauv qab ntawm lub cev roller lossis tus ncej uas yuav ua rau puas ua ntej lub sijhawm.

6. Kev Xav Txog Tshwj Xeeb Rau Daim Ntawv Thov

6.1 EX200 Series (YA60015002)

Lub EX200 tseem yog lub tshuab siv dav hauv ntau lub lag luam thoob ntiaj teb, tshwj xeeb tshaj yog nyob rau hauv thaj chaw uas cov khoom siv tau khaws cia dhau lub neej kev lag luam ib txwm muaj. Rau cov tshuab qub no, kev nrhiav cov rollers zoo tom qab kev lag luam yog qhov tseem ceeb rau kev ua kom cov nkoj qub ua haujlwm. Lub YA60015002 roller, thaum tsim nrog cov thev naus laus zis niaj hnub thiab cov hlau forged, tuaj yeem ua tau zoo dua cov rollers cam khwb cia thawj zaug uas feem ntau nyob rau hauv EX200 thaum ntxov.

6.2 ZX200 Series (9231278)

Lub platform ZX200 tau qhia txog ntau yam kev txhim kho hauv qab, suav nrog cov menyuam loj dua thiab cov txheej txheem sealing zoo dua. Lub menyuam 9231278 tau tsim los ua kom tau raws li cov qauv siab dua no. Rau cov neeg yuav khoom tom qab muag, kev xaiv lub menyuam uas zoo li ZX200 qhov geometry thiab sealing zoo dua yog qhov tseem ceeb rau kev ua tiav lub neej kev pabcuam xav tau.

6.3 ZAX240 / ZX240 Series (9184516)

Cov tshuab ZAX240 thiab ZX240 ua haujlwm hauv chav kawm 24–27 tuj, nrog rau qhov siab dua hauv av thiab qhov xav tau ntau dua. Lub log 9184516 muaj qhov tuab ntawm flange, qhov loj dua ntawm lub ncej, thiab kev sib khi zoo dua los daws cov kev xav tau no. Hauv kev siv hauv chaw ua pob zeb thiab kev khawb av, cov log no raug rau qhov kev puas tsuaj thiab kev cuam tshuam hnyav tshaj plaws, ua rau cov khoom zoo thiab kev kho cua sov tseem ceeb heev.

7. Cov Kev Xyaum Zoo Tshaj Plaws rau Kev Teeb tsa thiab Kev Txij Nkawm

Yuav kom ua tau lub neej ntev tshaj plaws ntawm Hitachi cov menyuam hauv qab, kev teeb tsa thiab kev saib xyuas kom zoo yog qhov tseem ceeb:

• Lub zog ntswj ntsia hlau: Siv cov ntsia hlau tshiab, qib 10.9 lossis 12.9 thiab ntswj kom nruj raws li lub zog ntswj uas lub chaw tsim khoom teev tseg (feem ntau yog 250–350 Nm nyob ntawm qhov loj ntawm lub ntsia hlau thiab qhov xov). Lub zog ntswj tsis sib npaug tuaj yeem ua rau lub bracket mounting puas tsuaj lossis ua rau lub roller puas ua ntej lub sijhawm.
• Kev Sib Tho: Xyuas kom tseeb tias txhua lub log hauv qab tau sib dhos sib luag nrog lub thav duab ntawm txoj kev; kev sib dhos tsis sib xws ua rau lub flange hnav tsis sib xws thiab txoj kev poob qis.
• Kev Siv Lubrication: Txawm hais tias cov menyuam kaw tsis tas yuav saib xyuas, kev tshuaj xyuas tsis tu ncua rau cov roj xau (qhia tias lub foob tsis ua haujlwm) yog qhov tseem ceeb. Txhua lub menyuam uas qhia tias muaj roj lossis roj xau yuav tsum tau hloov tam sim ntawd kom tiv thaiv kev sib tsoo ntawm cov kabmob.
• Kev Sib Xyaws Ua Ke: Hloov cov menyuam hauv qab ua ib pawg tiav (tag nrho cov menyuam ntawm ob sab) kom ntseeg tau tias muaj kev faib khoom sib npaug. Kev sib xyaw cov menyuam tshiab thiab cov menyuam uas hnav tuaj yeem ua rau cov khoom tshiab hnav sai dua.

8. Xaus Lus

Lub Hitachi YA60015002, 9231278, thiab 9184516Kev Sib Dhos Hauv Qab Cov Menyuamyog cov khoom tseem ceeb rau kev tswj hwm kev txav mus los, kev ruaj khov, thiab kev tsim khoom ntawm EX200, ZX200, thiab ZAX240 series excavators. Txawm hais tias siv rau hauv kev tsim kho hauv nroog, kev tsim kho vaj tse, lossis kev ua haujlwm hauv chaw txua zeb, cov rollers no tiv taus kev sib txhuam, kev cuam tshuam, thiab kev ua qias tuaj tas li - xav tau cov qauv siab tshaj plaws ntawm cov khoom siv zoo, kev kho cua sov, thiab kev siv tshuab sealing.

Rau cov neeg faib khoom tom qab muag, cov thawj coj saib xyuas cov khoom siv, thiab cov neeg kho dua tshiab cov khoom siv, kev nrhiav cov khoom no los ntawm cov chaw tsim khoom OEM thiab ODM tshwj xeeb xws li CQC TRACK muab qhov zoo dua: kev ua haujlwm raug, kev lees paub zoo, kev ntseeg siab ntawm cov khoom xa tuaj, thiab kev siv nyiaj tsim nyog. Los ntawm kev sib txuas cov peev xwm tsim khoom siab heev nrog kev paub tob hauv Hitachi cov kab ke hauv qab tsheb,CQC TRACKxa cov menyuam hauv qab uas ua haujlwm nrog lub zog ntawm OEM cov khoom thaum muab qhov yooj ywm thiab tus nqi ntawm tus khub tsim khoom tiag tiag.

Hauv kev sib tw ntawm cov khoom siv hnyav tom qab kev lag luam, kev xaiv tus neeg muag khoom hauv qab tsheb tsis yog tsuas yog kev txiav txim siab yuav khoom xwb - nws yog kev nqis peev rau kev ntseeg siab rau kev ua haujlwm, kev txaus siab ntawm cov neeg siv khoom, thiab kev vam meej hauv kev lag luam mus sij hawm ntev.

Lus Ceeb Toom: Cov lej ntawm cov khoom thiab cov qauv siv rau kev siv sib piv xwb. Lawv yog los qhia txog kev sib raug zoo nrog cov lus qhia ntawm cov chaw tsim khoom siv thawj (OEM). CQC TRACK yog lub chaw tsim khoom OEM/ODM ywj pheej ntawm cov khoom siv hauv qab tsheb tom qab.