HITACHI 9134282 71401320 9242964 EX200 EX215 EX255 ZX200 ZX210 Taug Qab Pem Hauv Ntej Idler Log Sib Dhos / OEM Thiab ODM Cov Khoom Siv Zoo Qhov Chaw Hoobkas thiab Chaw Tsim Khoom / CQC TRACK

Kev Tshawb Fawb Txog Kev Siv Tshuab: HITACHI 9134282 71401320 9242964 EX200 EX215 EX255 ZX200 ZX210Taug qab pem hauv ntej Idler log sib dhos– OEM thiab ODM Cov Khoom Siv Zoo los ntawm CQC TRACK

Cov Lus Qhia Tseem Ceeb

Tsab ntawv tshaj tawm txog kev siv tshuab no muab kev tshuaj xyuas tag nrho ntawm lub log pem hauv ntej ntawm HITACHI - ib qho khoom siv tseem ceeb hauv qab uas tau tsim los rau EX thiab ZX series hydraulic excavators, suav nrog EX200, EX215, EX255, ZX200, thiab ZX210. Cov lej ntawm cov khoom 9134282, 71401320, thiab 9242964 sawv cev rau OEM cov lus qhia rau Hitachi 20-22 tuj chav kawm tshuab, uas tau siv dav hauv kev tsim kho dav dav, kev tsim kho vaj tse, kev ua haujlwm siv hluav taws xob, thiab kev siv av hauv nruab nrab thoob plaws ntiaj teb.

Lub rooj sib dhos pem hauv ntej idler (lwm lub npe hu ua track adjuster idler, guide wheel, lossis tensioning idler) ua haujlwm ob qho tseem ceeb hauv kev ua haujlwm excavator: nws coj cov saw hlau ncig lub taw tes rau pem hauv ntej thiab muab lub taw tes txav mus rau lub tshuab hydraulic tensioning. Rau cov neeg ua haujlwm ntawm Hitachi EX200/ZX200 chav kawm tshuab - feem ntau yog 20-22 tuj excavators sawv cev rau ib qho ntawm cov chav kawm loj nrov tshaj plaws hauv cov khoom siv thoob ntiaj teb - nkag siab txog cov ntsiab cai engineering, cov ntaub ntawv qhia txog cov khoom siv, thiab cov cim qhia zoo ntawm kev tsim khoom ntawm cov khoom no yog qhov tseem ceeb rau kev txiav txim siab yuav khoom uas ua kom zoo dua tag nrho cov nqi ntawm kev muaj.

Daim kev tshuaj xyuas no tshuaj xyuas HITACHI idler sib dhos los ntawm ntau lub lens kev siv tshuab: kev ua haujlwm ntawm lub cev, cov khoom siv hlau, kev tsim khoom, cov txheej txheem kev lees paub zoo, thiab kev txiav txim siab txog kev nrhiav khoom zoo - nrog rau kev tsom mus rau CQC TRACK (ua haujlwm hauv HELI Group koom tes) ua tus tsim khoom tshwj xeeb thiab tus muag khoom ntawm OEM thiab ODM cov khoom siv excavator zoo hauv qab kev ua haujlwm los ntawm Quanzhou, Suav.

1. Kev Txheeb Xyuas Khoom thiab Cov Lus Qhia Txog Kev Siv Tshuab

1.1 Cov Npe Cheebtsam thiab Daim Ntawv Thov

Lub HITACHI track front idler wheel assembly muaj ntau tus lej OEM uas sib raug rau cov qauv excavator thiab cov series ntau lawm hauv EX thiab ZX tsev neeg. Cov lej tseem ceeb uas tau hais hauv qhov kev tshuaj xyuas no suav nrog:

 

Tus lej OEM	Cov Qauv Sib Xws	Chav Kawm Tshuab	Cov Lus Cim Thov
9134282	EX200-1, EX200-2, EX200-3, EX200-4, EX200-5	20-22 tuj	Lub tshuab idler tseem ceeb rau EX series
71401320	ZX200, ZX210, ZX225US	20-22 tuj	Kev tsim kho kom zoo dua rau Zaxis series
9242964	EX215, EX255	21-22 tuj	Cov khoom siv hnyav nrog cov flanges txhawb nqa

Cov lej no sawv cev rau Hitachi cov lej cim tshwj xeeb, sib raug rau cov duab kos engineering meej, qhov ntev ntawm kev kam rau siab, thiab cov lus qhia tshwj xeeb ntawm cov khoom siv uas tau tsim los ntawm cov txheej txheem pov thawj ntawm cov khoom siv qub. Cov Hitachi EX thiab ZX series excavators hauv chav kawm 20-22 tuj yog cov tshuab uas tau siv dav tshaj plaws thoob ntiaj teb, ua haujlwm hauv cov ntawv thov xws li kev tsim kho vaj tse thiab kev ua haujlwm hluav taws xob mus rau kev tsim kho vaj tse thiab kev ua haujlwm hauv chaw txua zeb.

1.2 Lub Luag Haujlwm Tseem Ceeb

Lub rooj sib dhos pem hauv ntej hauv cov ntawv thov excavator nruab nrab ua peb txoj haujlwm sib txuas tseem ceeb rau kev ua haujlwm ntawm lub tshuab thiab lub neej ntev ntawm lub tsheb laij teb:

Kev Taw Qhia thiab Kev Hloov Chaw Thauj Khoom: Qhov chaw sab nraud ntawm lub idler kov lub seem ntawm txoj hlua ntawm txoj hlua, coj cov saw thaum nws qhwv ib ncig ntawm qhov chaw sib txuas pem hauv ntej. Thaum mus ncig pem hauv ntej, lub idler ntsib kev sib zog compressive; thaum mus ncig rov qab, nws yuav tsum tiv taus cov khoom thauj tensile uas kis tau los ntawm cov saw. Rau 20-22 tuj chav kawm tshuab nrog qhov hnyav ua haujlwm ntawm 20,000-22,000 kg, cov khoom thauj static ib lub idler feem ntau yog txij li 5,000-6,500 kg, nrog cov khoom thauj dynamic thaum lub sijhawm khawb av ncav cuag 2.5-3.0 npaug ntawm cov nqi static.

Kev Sib Txuas Lus Txog Kev Nruj Ntawm Txoj Kev: Lub idler mounts rau ntawm lub yoke swb txuas nrog lub tshuab kho txoj kev - feem ntau yog lub tog raj kheej hydraulic uas muaj roj nrog lub valve pab. Los ntawm kev txav lub idler mus tom ntej lossis rov qab, cov neeg ua haujlwm kho txoj kev sag, tswj kev nruj zoo tshaj plaws uas sib npaug kev hnav txo qis nrog kev ua haujlwm zoo. Lub stroke kho rau 20-tuj chav kawm excavator idlers feem ntau yog 90-120 hli.

Kev Tswj Xyuas Kev Thauj Khoom: Thaum lub sijhawm mus ncig hla thaj chaw tsis sib luag, lub idler nqus thiab faib cov kev co thawj zaug thaum lub saw hlau dov mus rau hauv qab lub tsheb thauj khoom, tiv thaiv lub thav duab ntawm txoj kev thiab cov khoom tsav kawg los ntawm kev puas tsuaj los ntawm kev co. Lub luag haujlwm no xav tau ob qho tib si lub zog ntawm cov qauv thiab cov yam ntxwv tswj kev hloov pauv.

1.3 Cov Lus Qhia Txog Kev Siv Tshuab thiab Cov Kev Ntsuas Qhov Ntev

Txawm hais tias Hitachi cov duab kos duab tseem yog tus kheej, cov lus qhia tshwj xeeb rau kev lag luam rau 20-22 tuj chav kawm excavator pem hauv ntej idlers feem ntau suav nrog cov kev teeb tsa hauv qab no raws li CQC TRACK cov ntaub ntawv engineering thiab kev sib txuas nrog Hitachi cov ntaub ntawv kev pabcuam:

Cov kev ntsuas no tau tsim los ntawm kev tsim kho rov qab ntawm cov khoom OEM thiab kev koom tes ncaj qha nrog cov chaw tsim khoom siv. Cov neeg muag khoom zoo tshaj plaws xws li CQC TRACK ua tiav qhov kev kam rau siab ntawm ± 0.02 hli ntawm cov ntawv sau tseem ceeb thiab cov qhov rooj kaw, ua kom ntseeg tau tias haum thiab kev ntseeg siab mus sij hawm ntev.

1.4 Kev Sib Txuas Lus Ntawm Cov Hom Lag Luam Thiab Qhov Ntau Ntawm Daim Ntawv Thov

Cov Hitachi excavators hauv chav kawm 20-22 tuj sib koom qee cov lus qhia txog kev tsav tsheb hauv qab ntawm ntau tiam neeg, ua rau muaj kev sib pauv khoom:

Qhov kev sib haum xeeb no thoob plaws ntau tiam neeg ua rau cov neeg tsav tsheb nrog cov neeg siv khoom Hitachi sib xyaw ua ke los tsim cov khoom muag thiab cov tswv yim nrhiav khoom.

2. Lub Hauv Paus Metallurgical: Kev Tshawb Fawb Txog Khoom Siv Rau Cov Ntawv Thov Excavator Nruab Nrab

2.1 Cov Qauv Xaiv Cov Hlau Alloy

Qhov chaw ua haujlwm ntawm lub tshuab khawb av pem hauv ntej idler 20-tuj muaj cov khoom siv uas xav tau heev. Lub Cheebtsam yuav tsum tiv taus kev hnav abrasive los ntawm kev sib cuag nrog av, xuab zeb, thiab pob zeb; tiv taus cov khoom cuam tshuam los ntawm kev khawb av thiab kev mus ncig ntawm lub tshuab hla thaj av tsis sib luag; tswj kev ruaj khov ntawm cov qauv hauv qab kev thauj khoom cyclic uas tuaj yeem tshaj 10⁷ cycles thoob plaws lub neej ntawm lub tshuab; thiab khaws cia qhov ruaj khov txawm tias raug rau qhov kub thiab txias heev, dej noo, thiab cov tshuaj lom neeg.

Cov chaw tsim khoom zoo xws li CQC TRACK xaiv cov qib hlau sib xyaw tshwj xeeb uas ua tiav qhov sib npaug zoo tshaj plaws ntawm qhov nyuaj, kev tawv, thiab kev tiv taus qaug zog rau chav kawm ntawv thov no:

35MnB Manganese-Boron Hlau: Qhov no yog cov khoom siv xaiv zoo rau cov tshuab khawb av nruab nrab. Nrog cov ntsiab lus carbon ntawm 0.32-0.38% thiab manganese ntawm 1.1-1.4%, 35MnB muab kev tawv zoo heev los ntawm boron micro-alloying (0.0008-0.003%). Boron cais rau cov ciam teb austenite, ncua kev hloov pauv mus rau cov qauv me me thaum lub sijhawm quenching, tso cai rau kev ua tiav qhov nyuaj tag nrho ntawm qhov tob dua ntawm qhov tob ntawm cov yam ntxwv ntawm 20-tuj chav kawm. Qhov nyuaj ntawm qhov chaw ntawm HRC 52-58 feem ntau yog ua tiav nrog cov khoom siv no.

40Mn2 / 50Mn Manganese Steel: Lwm cov khoom siv siv 40Mn2 (0.37-0.44% C, 1.4-1.8% Mn) lossis 50Mn (0.45-0.55% C, 1.4-1.8% Mn) rau cov ntawv thov uas xav tau lub zog tseem ceeb. Cov pa roj carbon ntau dua hauv 50Mn muab kev tiv thaiv kev hnav ntau dua tab sis xav tau kev tswj hwm kev kho cua sov kom zoo kom tswj tau qhov tawv txaus.

Kev Tshawb Nrhiav Cov Khoom Siv: Cov chaw tsim khoom muaj koob npe muab cov ntaub ntawv pov thawj txog cov khoom siv, suav nrog Cov Ntawv Qhia Txog Kev Ntsuas Mill (MTRs) uas lees paub cov tshuaj lom neeg sib xyaw nrog kev tshuaj xyuas cov ntsiab lus tshwj xeeb (C, Si, Mn, P, S, B yog tias siv tau). Kev tshuaj xyuas spectrographic lees paub cov tshuaj lom neeg ntawm cov hlau sib xyaw nrog cov lus qhia tau ntawv pov thawj.

2.2 Forging vs. Casting: Qhov tseem ceeb ntawm cov qauv nplej

Txoj kev tsim thawj zaug txiav txim siab qhov khoom siv kho tshuab thiab lub neej ua haujlwm ntawm tus neeg tsav tsheb. Thaum casting muab cov txiaj ntsig zoo rau cov qauv yooj yim, nws tsim cov qauv noob sib npaug nrog kev taw qhia tsis sib xws, qhov muaj peev xwm porosity, thiab kev cuam tshuam qis dua. Cov chaw tsim khoom siv excavator idler tshwj xeeb tsuas yog siv cov khoom siv kub kaw-tuag rau lub log idler thiab cov khoom yoke.

Cov txheej txheem forging pib nrog kev txiav cov hlau billets kom muaj qhov hnyav, ua kom sov rau kwv yees li 1150-1250 ° C kom txog thaum austenitized tag nrho, tom qab ntawd ua rau lawv raug kev hloov pauv siab ntawm cov pwm precision-machined. Kev kho mob thermo-mechanical no tsim cov nplej ntws tas mus li uas ua raws li cov duab ntawm cov khoom, sib dhos cov ciam teb nplej perpendicular rau cov lus qhia tseem ceeb. Cov qauv tshwm sim qhia txog 20-30% siab dua lub zog qaug zog thiab kev nqus hluav taws xob ntau dua piv rau lwm txoj hauv kev cam khwb cia.

Tom qab forging, cov khoom yuav raug tswj kom txias kom tiv thaiv kev tsim cov microstructures tsis zoo xws li Widmanstätten ferrite lossis cov carbide nag lossis daus ntau dhau.

2.3 Kev Tsim Kho Kub Ob Chav Khoom

Qhov kev txawj ntse ntawm cov hlau nplaum ntawm lub tshuab khawb av zoo qhia tau meej hauv nws qhov profile hardness uas tau tsim tshwj xeeb - qhov chaw tawv, hnav-resistant ua ke nrog lub hauv paus tawv, nqus tau qhov cuam tshuam:

Kev Tua Kab thiab Kev Kub Ntxhov (Q&T): Tag nrho cov log forged thiab yoke raug austenitized ntawm 840-880 ° C, tom qab ntawd tua sai sai hauv dej, roj, lossis cov tshuaj polymer. Qhov kev hloov pauv no tsim cov martensite - muab qhov nyuaj tshaj plaws tab sis nrog rau kev tawg yooj yim. Kev kub ntxhov tam sim ntawd ntawm 500-650 ° C tso cai rau cov pa roj carbon kom ua rau cov carbides zoo, txo cov kev ntxhov siab sab hauv thiab rov qab ua kom muaj zog. Qhov nyuaj ntawm cov tub ntxhais feem ntau yog txij li 250-320 HB (25-35 HRC), muab qhov nyuaj zoo tshaj plaws rau kev nqus tau hauv chav kawm hnyav 20-tuj.

Kev Kho Kom Qhov Chaw Induction Hardening: Tom qab ua tiav kev ua tiav, cov nplaim hnav tseem ceeb - tshwj xeeb tshaj yog lub tread diameter thiab flange faces - dhau los ntawm kev kho kom qhov chaw induction hardening. Ib lub kauj tooj liab inductor nyob ib puag ncig lub Cheebtsam, inducing eddy currents uas sai sai cua sov lub txheej nto mus rau austenitizing kub (900-950 ° C) hauv ob peb feeb. Tam sim ntawd dej quenching tsim ib tug martensitic rooj plaub ntawm 5-10 hli tob nrog rau qhov nyuaj ntawm HRC 52-58, muab kev tiv thaiv zoo rau abrasive hnav los ntawm kev sib cuag bushing.

Kev Txheeb Xyuas Qhov Hardness Profile: Cov chaw tsim khoom zoo ua qhov microhardness traverses ntawm cov khoom qauv los xyuas kom meej qhov tob ntawm lub thawv ua raws li cov lus qhia. Qhov hardness gradient ntawm qhov chaw (HRC 52-58) los ntawm lub thawv hardened mus rau lub hauv paus (250-320 HB) yuav tsum ua raws li kev hloov pauv tswj kom tiv thaiv kev tawg lossis kev sib cais ntawm lub thawv thiab lub hauv paus thaum muaj kev cuam tshuam.

Qhov kev sib txawv ntawm kev tawv tawv no tsim cov qauv sib xyaw zoo tagnrho: lub npoo npoo uas tiv taus kev hnav uas tiv taus kev sib txhuam nrog cov txuas ntawm txoj kev thiab cov khib nyiab hauv av, txhawb nqa los ntawm lub hauv paus ruaj khov uas nqus cov khoom hnyav yam tsis muaj kev tawg loj heev.

2.4 Cov Txheej Txheem Kev Ntsuam Xyuas Zoo

Cov chaw tsim khoom zoo li CQC TRACK siv ntau theem kev txheeb xyuas zoo thoob plaws hauv kev tsim khoom:

• Kev Tshuaj Xyuas Khoom Siv Spectroscopic: Paub meej tias cov tshuaj lom neeg ntawm cov hlau sib xyaw ua ke raws li cov lus qhia tau ntawv pov thawj thaum tau txais cov khoom siv raw.
• Kev Ntsuas Ultrasonic (UT): Txheeb xyuas qhov ruaj khov sab hauv ntawm cov forgings tseem ceeb, nrhiav pom txhua qhov porosity, inclusions, lossis laminations uas yuav ua rau muaj kev cuam tshuam rau kev ua haujlwm ntawm cov qauv.
• Kev Txheeb Xyuas Qhov Nyuaj: Kev kuaj xyuas qhov nyuaj ntawm Rockwell lossis Brinell lees paub ob qho tib si qhov nyuaj ntawm lub hauv paus tom qab Q&T kev kho mob thiab qhov nyuaj ntawm qhov chaw tom qab induction hardening.
• Kev Tshuaj Xyuas Cov Khoom Sib Nqus (MPI): Tshuaj xyuas cov chaw tseem ceeb—tshwj xeeb yog cov hauv paus flange, cov fillets ntawm lub ncej, thiab cov yoke weldments—nrhiav pom cov kab nrib pleb lossis cov kub hnyiab uas tawg ntawm qhov chaw.
• Kev Txheeb Xyuas Qhov Loj: Cov Tshuab Ntsuas Sib Koom Tes (CMM) txheeb xyuas qhov loj me tseem ceeb, nrog rau kev tswj hwm cov txheej txheem suav txheeb xyuas cov ntsuas peev xwm ua haujlwm (Cpk) feem ntau tshaj 1.33 rau cov yam ntxwv tseem ceeb.
• Kev Ntsuas Tshuab: Cov khoom piv txwv yuav raug kuaj tensile thiab kev ntsuas kev cuam tshuam (Charpy V-notch) kom paub tseeb tias cov khoom siv tshuab ua tau raws li cov lus qhia.

3. Kev Tsim Kho Kom Zoo: Kev Tsim Khoom Thiab Kev Tsim Khoom

3.1 Idler Rim Geometry rau Cov Ntawv Thov Excavator Nruab Nrab

Lub geometry ntawm lub log idler rau EX200/ZX200 cov tshuab hauv chav kawm yuav tsum phim qhov sib txuas ntawm txoj kab sib txuas thiab cov qauv tsheb ciav hlau kom ntseeg tau tias muaj kev sib txuas siab sib npaug. Rau cov tshuab khawb av 20-tuj, qhov sib txuas ntawm txoj kab sib txuas yog 171-190 hli, thiab lub cheeb ntawm lub log idler raug suav los muab lub kaum sab xis txaus (feem ntau yog 100-120 °) thaum tswj kev ua haujlwm zoo hauv qab cov khoom siv ua haujlwm.

Flange geometry rau cov ntawv thov excavator nruab nrab suav nrog cov qauv tsim tshwj xeeb rau chav kawm tshuab no:

• Qhov Nrug Deb ntawm Flange-rau-Flange: Haum rau qhov dav ntawm txoj kab txuas (feem ntau yog 60-80 hli rau cov tshuab 20-tuj) nrog 3-5 hli qhov chaw rau kev txav mus los dawb thaum tswj hwm kev coj ua haujlwm zoo.
• Lub kaum sab xis ntawm lub ntsej muag flange: 5-10° pab txhawb kev tshem tawm cov khib nyiab thiab tiv thaiv cov khoom ntim uas tuaj yeem ua rau muaj kev tawm tsam thaum lub sijhawm ua haujlwm ntawm sab.
• Flange Root Radii: Zoo tshaj plaws los txo qhov kev ntxhov siab thaum muab lub zog txaus rau kev ua haujlwm tiv thaiv kev poob qis.
• Qhov Siab ntawm Flange: Qhov siab 20-25 hli muab kev txwv rau sab nraud, tiv thaiv kev tawm tsam thaum lub sijhawm tig lossis kev ua haujlwm ntawm sab.

3.2 Kev Tsim Kho Lub Ncej thiab Lub Pob Bearing

Lub ncej ruaj khov yuav tsum tiv taus lub sijhawm khoov tas mus li thiab kev ntxhov siab thaum tswj hwm qhov sib phim nrog lub npoo tig. Rau EX200 / ZX200 daim ntawv thov, lub ncej txoj kab uas hla feem ntau yog 70-85 hli, xam raws li qhov hnyav zoo li qub, cov yam ntxwv dynamic (feem ntau 2.0-2.5 rau cov ntawv thov excavator), thiab cov khoom siv nruj uas tuaj yeem tshaj 10 tonnes.

Lub kaw lus bearing rau cov excavator idlers nruab nrab siv cov khoom sib phim ntawm cov tapered roller bearings, uas yog qhov zoo dua vim tias lawv tuaj yeem txhawb nqa cov khoom thauj radial (los ntawm qhov hnyav ntawm lub tshuab thiab kev nruj ntawm txoj kev) thiab cov khoom thauj thrust (los ntawm cov zog ntawm txoj kev thaum tig). Cov yam ntxwv tseem ceeb suav nrog:

• Muaj Peev Xwm Thauj Khoom Radial thiab Axial Siab: Cov kabmob tapered roller yog xaiv tshwj xeeb rau lawv lub peev xwm los tswj cov kev ntxhov siab ua ke ntawm qhov hnyav ntawm lub tshuab thiab kev hloov pauv kev taw qhia.
• Adjustable Preload: Tapered roller bearings tso cai rau qhov preload kom raug thaum lub sijhawm sib dhos, txo qhov chaw sab hauv thiab txuas lub neej ntawm cov kabmob hauv qab kev thauj khoom cyclic.
• Qhov Zoo ntawm Cov Bearing: Cov chaw tsim khoom zoo tshaj plaws yuav cov bearings los ntawm cov chaw tsim khoom tshwj xeeb (piv txwv li, NSK, NTN, KOYO, lossis cov chaw muag khoom sib npaug hauv Suav teb) nrog cov qauv zoo nruj ua tau raws li ISO lossis JIS cov lus qhia.

Cov ntawv xov xwm ntawm tus ncej yog qhov tseeb-av thiab feem ntau kho qhov chaw (piv txwv li, chrome plating lossis nitriding) rau kev hnav thiab tiv taus corrosion zoo dua. Lub hub yog tsim los ua monolithic forging nrog tus ncej lossis yog welded siv cov txheej txheem tsis siv neeg nrog kev kho cua sov tom qab-weld kom ntseeg tau tias muaj kev ruaj khov ntawm cov qauv.

3.3 Kev Siv Tshuab Sealing Ntau Qib Siab

Lub kaw lus foob yog qhov tseem ceeb tshaj plaws ntawm lub neej ntev ntawm lub idler hauv cov ntawv thov excavator, qhov twg cov tshuab feem ntau ua haujlwm hauv av nkos, plua plav, thiab qhov chaw sib txhuam heev. Cov ntaub ntawv kev lag luam qhia tau tias ntau dua 70% ntawm kev ua tsis tiav ntawm lub idler ua ntej lub sijhawm yog los ntawm kev sib txhuam ntawm lub foob, ua rau cov khoom tsis huv nkag mus rau hauv qhov chaw ntawm lub cev thiab pib ua kom hnav sai.

Cov khoom siv excavator zoo tshaj plaws los ntawm CQC TRACK siv cov txheej txheem sib khi ntau theem suav nrog:

Lub Rooj Sib Tw Radial: Ua los ntawm HNBR (Hydrogenated Nitrile Butadiene Rubber) cov khoom siv rau kev tiv taus qhov kub thiab txias tshwj xeeb (-40 ° C txog + 150 ° C) thiab kev sib raug zoo nrog cov roj siab heev (EP). Lub rooj sib tw no tswj kev sib cuag tas mus li nrog lub qhov, tsis suav nrog cov khoom tsis huv thaum tseem khaws cov roj nplua nyeem.

Cov Khoom Siv Sib Nqus Thib Ob: Cov nplhaib hlau lossis hlau uas tau sib tsoo kom raug nrog cov ntsej muag sib khi ua tiav qhov tiaj tiaj hauv 0.5-1.0 µm. Cov nplhaib no tig ib leeg, tswj kev sib cuag ntawm hlau thiab hlau uas tsim ib qho thaiv tsis pub nkag mus rau hauv cov khoom sib txhuam.

Sab Nraud Labyrinth-Style Plua Plav Protector: Tsim ib txoj kev nkhaus uas maj mam ntes cov khoom qias neeg ua ntej lawv mus txog cov foob tseem ceeb. Lub labyrinth puv nrog cov roj nplaum siab uas ntes thiab khaws cov khoom me me.

Kev Ua Ntej Lubrication: Lub qhov ntawm lub bearing tau muab cov roj nplaum siab heev (EP) ua ntej, kom ntseeg tau tias muaj lubrication tam sim ntawd thaum teeb tsa thiab tsim kom muaj lub siab zoo uas tshem tawm cov kuab paug.

3.4 Kev Sib Txuas Lus Sib Txuas Lus thiab Kev Sib Txuas Lus

Lub yoke zawv zawg yog lub qag idler thiab txuas rau lub tog raj kheej kho qhov chaw. Rau EX200 / ZX200 daim ntawv thov, lub yoke yog cov hlau forging lossis casting hnyav 30-50 kg, tsim los xa cov khoom hnyav (feem ntau 8-12 tonnes) los ntawm lub idler mus rau lub adjuster thaum zawv zawg du ntawm txoj kab tsheb ciav hlau.

Cov yam ntxwv tseem ceeb ntawm kev tsim qauv muaj xws li:

• Cov Phaj Hlau Uas Muaj Zog: Tau teeb tsa ntawm qhov sib txuas nrog lub thav duab txoj kev hloov kho, cov no ua haujlwm ua cov khoom siv uas tiv thaiv lub qag thiab lub thav duab ntawm kev hnav, ua kom yooj yim rau kev saib xyuas yav tom ntej.
• Cov Nto Uas Tau Kho Kom Ruaj Khoov Los Ntawm Induction: Cov nplaim ntawm cov yoke bearing yog induction-hardened kom tiv taus kev hnav los ntawm kev swb tas mus li tawm tsam tus ncej ntawm txoj kev.
• Cov Khoom Siv Roj: Nruab rau kev rov ua kom lubrication ntawm cov interfaces swb raws sijhawm, ua raws li OEM-pom zoo cov sijhawm pabcuam.
• Kev Teeb tsa Adjuster Mounting: Precision-machined mounting surface rau lub tog raj kheej adjuster, kom ntseeg tau tias muaj kev sib phim thiab kev hloov pauv khoom thauj.

Qhov sib txuas nrog lub cuab yeej kho txoj kev siv lub tshuab hydraulic tensioning: cov roj raug pumped rau hauv lub tog raj kheej tom qab lub yoke, thawb lub idler mus tom ntej thiab tension lub txoj kev. Lub valve relief tiv thaiv kev tensioning dhau.

3.5 Kev Ua Tshuab Zoo thiab Kev Tswj Xyuas Zoo

Cov chaw ua haujlwm CNC niaj hnub no ua tiav qhov kev kam rau siab uas ncaj qha cuam tshuam nrog lub neej ua haujlwm. Cov kev ntsuas tseem ceeb rau EX200 / ZX200 chav kawm idlers suav nrog:

Cov txheej txheem tig thiab sib tsoo uas tswj los ntawm CNC lav qhov sib npaug zoo, qhov loj ntawm flange raug, thiab qhov tiav ntawm qhov chaw zoo tshaj plaws rau kev sib cuam tshuam ntawm cov saw hlau du. Kev txheeb xyuas qhov ntev hauv cov txheej txheem nrog kev tawm tswv yim tiag tiag rau cov neeg ua haujlwm tshuab ua rau kho qhov kev hloov pauv ntawm cov txheej txheem tam sim ntawd.

3.6 Kev Sib Dhos thiab Kev Ntsuas Ua Ntej Xa Khoom

Kev sib dhos zaum kawg yog ua nyob rau hauv chav huv si kom tiv thaiv kev ua qias tuaj. Cov bearings raug nias kom zoo rau hauv lub rim siv kev siv zog tswj, cov foob tau teeb tsa nrog cov cuab yeej tshwj xeeb kom tsis txhob puas tsuaj, thiab lub qag ntxig nrog kev sib dhos kom raug. Tom qab ntawd lub rooj sib dhos raug sau nrog cov roj tshwj xeeb thiab tig kom faib cov roj nplua nyeem.

Kev kuaj ua ntej xa khoom rau cov excavator idlers suav nrog:

• Kev ntsuas lub zog tig kom paub tseeb tias kev tig du thiab kev thauj khoom ua ntej kom raug
• Kev kuaj xyuas kev ruaj khov ntawm lub foob kom paub tseeb tias lub foob tau teeb tsa zoo thiab nrhiav tau cov kev xau dej
• Kev tshuaj xyuas qhov ntev ntawm lub tshuab sib dhos ua ke kom paub tseeb tias txhua qhov sib haum xeeb tseem ceeb
• Kev tshuaj xyuas qhov muag ntawm kev teeb tsa lub foob, lub zog ntawm cov khoom siv txuas, thiab kev ua haujlwm tag nrho
• Kev khiav hauj lwm kho tshuab raws li qauv los xyuas kom meej tias kev ua tau zoo nyob rau hauv cov khoom thauj simulated

4. CQC TRACK: Cov Ntaub Ntawv Qhia Txog Chaw Tsim Khoom thiab Peev Xwm

4.1 Kev Txheeb Xyuas Txog Lub Tuam Txhab thiab Txoj Haujlwm Kev Lag Luam

CQC TRACK (ua haujlwm nyob rau hauv HELI Group affiliation) yog ib lub chaw tsim khoom lag luam tshwj xeeb thiab muab khoom siv rau cov khoom siv hauv qab tsheb hnyav thiab cov khoom siv chassis, ua haujlwm ntawm ODM thiab OEM. Nyob hauv Quanzhou, Fujian Province—ib cheeb tsam uas paub txog kev txawj ntse tshwj xeeb hauv kev daws teeb meem hauv qab tsheb—lub tuam txhab tau tsim nws tus kheej ua tus neeg ua si tseem ceeb hauv kev lag luam thoob ntiaj teb.

Nrog kev tsom mus rau cov khoom siv hauv qab rau kev lag luam thoob ntiaj teb, CQC TRACK tau tsim cov peev xwm dav dav thoob plaws tag nrho cov khoom lag luam hauv qab, suav nrog cov menyuam khiav, cov menyuam nqa khoom, cov menyuam pem hauv ntej, cov sprockets, cov saw hlau khiav, thiab cov khau khiav rau cov ntawv thov xws li cov tshuab khawb av me me mus rau cov tshuab loj hauv chav khawb av. Lub tuam txhab ua haujlwm ua lub hauv paus rau OEM thiab ODM cov khoom seem zoo, muab cov neeg faib khoom thoob ntiaj teb thiab cov tes hauj lwm tom qab muag thoob ntiaj teb.

4.2 Kev Muaj Peev Xwm Txuj Ci thiab Kev Paub Txog Engineering

Kev Tsim Khoom Ua Ke: CQC TRACK tswj hwm tag nrho cov voj voog tsim khoom los ntawm kev nrhiav khoom siv thiab kev sib tsoo mus rau kev ua kom raug, kev kho cua sov, kev sib dhos, thiab kev kuaj xyuas zoo. Qhov kev sib koom ua ke ntsug no ua kom muaj qhov zoo sib xws thiab kev taug qab tag nrho thoob plaws hauv cov txheej txheem tsim khoom, ua rau lub tuam txhab ua raws li OEM cov lus qhia rau Hitachi EX thiab ZX series Cheebtsam.

Kev Paub Txog Metallurgical Siab Tshaj Plaws: Pab pawg neeg ua haujlwm ntawm lub tuam txhab siv cov kev paub txog metallurgical siab heev thiab cov cuab yeej simulation dynamic load los tsim cov khoom siv rau cov ntawv thov excavator nruab nrab. Rau EX200 / ZX200 chav kawm idlers, qhov no suav nrog kev tshuaj xyuas kev qaug zog thiab kev sim cuam tshuam kom ntseeg tau tias muaj kev ua haujlwm zoo rau chav kawm 20-22 tuj. Kev xaiv cov khoom siv hais txog 35MnB thiab 40Mn2 alloy steels nrog kev tswj hwm tshuaj lom neeg thiab cov txheej txheem kho cua sov ua tiav qhov nyuaj ntawm HRC 52-58.

Kev Muaj Peev Xwm ODM/OEM: CQC TRACK muab ob qho tib si OEM (Tus Tsim Khoom Siv Thawj) thiab ODM (Tus Tsim Qauv Thawj) cov kev pabcuam, ua rau cov neeg siv khoom tuaj yeem nrhiav cov khoom tsim tawm raws li cov lus qhia tseeb lossis koom tes ua ke ntawm cov qauv tsim tshwj xeeb rau cov ntawv thov tshwj xeeb. Qhov kev ywj pheej no muaj txiaj ntsig zoo rau cov neeg siv khoom xav tau cov khoom rau Hitachi excavators ua haujlwm hauv cov xwm txheej tshwj xeeb lossis nrhiav kev txhim kho kev ua tau zoo dhau ntawm cov lus qhia tus qauv.

Cov Txheej Txheem Kev Pov Hwm Zoo: CQC TRACK siv lub kaw lus tswj hwm zoo nruj (ISO 9001 tau ntawv pov thawj). Kev tsim khoom suav nrog:

• Kev tshuaj xyuas cov khoom siv spectroscopic rau kev txheeb xyuas alloy ntawm kev txais cov khoom siv raw
• Kev kuaj ultrasonic (UT) ntawm cov khoom tseem ceeb los xyuas kom meej tias sab hauv ruaj khov
• Kev kuaj xyuas qhov ntev hauv cov txheej txheem siv cov ntsuas qhov tseeb thiab CMM
• Kev txheeb xyuas qhov nyuaj ntawm ntau theem tsim khoom
• Kev sim zaum kawg rau kev sib dhos du thiab kev ruaj khov ntawm lub foob

Kev Txhawb Nqa Engineering: Pab pawg engineering ntawm lub tuam txhab muab kev txhawb nqa rau kev txheeb xyuas daim ntawv thov, xyuas kom meej tias xaiv qhov khoom raug rau cov qauv Hitachi tshwj xeeb thiab cov koob ntau lawm. Kev txawj ntse ntawm kev sib txuas ua rau muaj kev hloov pauv raug ntawm OEM qhov lej 9134282, 71401320, thiab 9242964 nrog cov khoom sib npaug tom qab kev lag luam.

4.3 Cov Khoom Siv Rau Hitachi Excavators

CQC TRACK tsim ntau yam khoom siv hauv qab rau Hitachi excavators, suav nrog:

Lub tuam txhab tswj cov cuab yeej siv thiab kev tsim khoom rau ntau tiam neeg Hitachi, ua kom muaj kev muab khoom siv tas mus li rau kev tsim khoom tam sim no thiab kev txhawb nqa cov khoom siv qub.

4.4 Kev Muaj Peev Xwm Muab Khoom Thoob Ntiaj Teb

CQC TRACK tau txhim kho nws cov kev pabcuam kev txawj ntse hauv thaj chaw ze tshaj plaws rau nws cov neeg siv khoom, tshwj xeeb tshaj yog rau cov lag luam thoob ntiaj teb suav nrog Asia, Tebchaws Europe, Asmeskas, thiab Middle East. Txoj kev npaj no ua rau lub tuam txhab tsim cov kev daws teeb meem zoo tshaj plaws rau cov ntawv thov thiab ib puag ncig tshwj xeeb hauv kev koom tes nrog cov neeg siv khoom thoob ntiaj teb.

Nrog cov chaw tsim khoom hauv Quanzhou thiab kev koom tes zoo thoob plaws Tuam Tshoj lub tshuab tsim khoom hauv qab, CQC TRACK muab lub sijhawm ua tiav sib tw (feem ntau 30-50 hnub rau kev tsim khoom tshwj xeeb) thiab cov khoom xaj tsawg kawg nkaus uas haum rau ob qho tib si cov kev pab cuam khaws cia cov khoom muag thiab cov kev xav tau txij nkawm raws sijhawm.

5. Kev Txheeb Xyuas Txog Hitachi EX Series thiab Zaxis Series

5.1 Hitachi EX200 Series Kev Hloov Pauv

Cov Hitachi EX200 series sawv cev rau ib qho ntawm cov kab excavator ua tau zoo tshaj plaws hauv chav kawm 20-tuj, nrog ntau tiam neeg tsim tawm ntau xyoo caum:

Cov koob EX200 tau tsim Hitachi lub koob npe nrov rau kev ntseeg tau thiab kev ua tau zoo hauv chav kawm excavator nruab nrab, nrog ntau lub tshuab tseem ua haujlwm niaj hnub no tom qab 20-30 xyoo ntawm kev pabcuam. Kev tsim qauv hauv qab sib xws thoob plaws ntau tiam neeg ua rau muaj kev sib pauv khoom, ua kom yooj yim rau kev txhawb nqa tom qab kev lag luam rau cov tshuab qub no.

5.2 Hitachi ZX200 / ZX210 Series Kev Hloov Pauv

Cov koob Zaxis tau ua tiav cov kab EX nrog kev txhim kho tsim qauv tseem ceeb thaum tswj hwm kev sib raug zoo hauv qab tsheb hauv ntau qhov xwm txheej:

Cov koob Zaxis txuas ntxiv Hitachi txoj kev coj noj coj ua hauv chav kawm 20-tuj, nrog rau cov qauv ZX200 thiab ZX210 tseem yog cov khoom muag zoo tshaj plaws thoob ntiaj teb. Kev siv txuas ntxiv ntawm 71401320 idler qhov lej thoob plaws ntau tiam neeg qhia txog Hitachi txoj kev cog lus rau kev tsim qauv ruaj khov thiab qhov sib xws.

5.3 Cov Qauv EX215 thiab EX255

Cov EX215 thiab EX255 sawv cev rau cov kev hloov pauv tshwj xeeb hauv EX series:

• EX215: Kev teeb tsa txuas ntxiv nrog kev hloov kho boom thiab caj npab geometry, feem ntau siv rau hauv cov khoom siv hluav taws xob thiab cov kav dej uas xav tau ntau qhov chaw ua haujlwm thaum tswj hwm kev teeb tsa hauv qab tsheb kom ruaj khov.
• EX255: Cov qauv ua haujlwm hnyav nrog lub hauv qab txhawb nqa thiab qhov hnyav ua haujlwm siab dua (kwv yees li 25 tons), tsim los rau cov ntawv thov uas xav tau ntau dua suav nrog kev ua haujlwm hauv chaw txua zeb thiab kev khawb av hnyav.

Cov qauv no siv 9242964 lub rooj sib dhos ua haujlwm hnyav, muaj cov flanges txhawb nqa thiab muaj peev xwm txhawb nqa kom haum rau cov khoom thauj ntxiv uas cuam tshuam nrog lawv cov ntawv thov tshwj xeeb.

6. Kev Txheeb Xyuas Kev Ua Haujlwm thiab Kev Cia Siab Rau Lub Neej Ua Haujlwm

6.1 Cov Qauv Ntsuas rau Cov Ntawv Thov Excavator Nruab Nrab

Cov ntaub ntawv teb los ntawm ntau qhov chaw ua haujlwm sib txawv muab cov kev cia siab ua tau zoo rau EX200 / ZX200 chav kawm pem hauv ntej idlers:

Hauv kev tsim kho thiab kev tsim kho vaj tse dav dav (kev sib txhuam nruab nrab, thaj av sib xyaw), cov khoom siv OEM-qib uas tsim tau zoo feem ntau ua tiav 4,500-6,000 teev ua haujlwm ua ntej yuav tsum tau hloov. Nyob rau hauv cov xwm txheej hnyav dua - kev ua haujlwm siv hluav taws xob tas mus li hauv cov av sib txhuam, cov ntawv thov pob zeb, lossis kev siv cov tsheb xauj tsev nrog ntau tus neeg teb xov tooj - lub neej ua haujlwm yuav txo qis rau 3,000-4,500 teev.

Cov khoom siv idlers zoo tshaj plaws los ntawm cov chaw tsim khoom muaj npe nrov xws li CQC TRACK qhia txog kev ua tau zoo sib npaug nrog cov khoom OEM, ua tiav 85-95% ntawm lub neej ua haujlwm OEM ntawm tus nqi qis dua (feem ntau 30-50% qis dua OEM tus nqi). Kev siv cov khoom siv 35MnB nrog qhov nyuaj ntawm HRC 52-58 ua kom muaj kev tiv thaiv hnav sib piv rau cov lus qhia Hitachi thawj.

6.2 Cov Hom Kev Ua Tsis Tau Zoo Feem Ntau Hauv Cov Ntawv Thov Excavator Nruab Nrab

Kev nkag siab txog cov txheej txheem ua tsis tiav ua rau muaj kev saib xyuas ua ntej thiab kev txiav txim siab yuav khoom raws li kev paub:

Kev Ua Tsis Tau Zoo ntawm Lub Seal thiab Kev Ua Kom Muaj Kab Mob Nkag Mus: Hom kev ua tsis tau zoo tshaj plaws hauv cov excavator idlers, kev sib txhuam ntawm lub seal ua rau cov khoom sib xyaw nkag mus rau hauv qhov chaw ntawm lub bearing. EX200 / ZX200 cov tshuab ua haujlwm hauv cov ntawv thov siv hluav taws xob feem ntau yog qhov yooj yim vim tias muaj kev raug khawb ntau zaus hauv cov av sib xyaw uas muaj pob zeb, cov hauv paus hniav, thiab cov khib nyiab. Cov tsos mob thawj zaug suav nrog cov roj xau nyob ib puag ncig lub seals, ua raws li kev sib hloov tsis zoo thiab thaum kawg ntes.

Kev Hnav Flange: Kev hnav zuj zus ntawm cov ntsej muag flange qhia tau tias qhov chaw tsis tawv lossis kev sib dhos tsis raug. Qhov loj me tseem ceeb ntawm kev hnav suav nrog kev nyias nyias ntawm cov flanges qhia, uas txo qhov kev txwv sab thiab ua rau muaj kev pheej hmoo ntawm kev poob qis. Kev ntsuas tsis tu ncua ntawm qhov tuab ntawm flange thaum lub sijhawm tshuaj xyuas ua rau muaj kev hloov pauv ua ntej kev poob qis tshwm sim.

Kev Hnav Thiab Txo Qhov Loj Ntawm Lub Log Tsheb: Lub log tsheb maj mam hnav vim muaj kev sib cuag nrog cov bushings ntawm txoj kev. Thaum qhov loj ntawm lub log tsheb txo qis tshaj qhov teev tseg (feem ntau yog 10-15 hli), lub kaum sab xis ntawm lub log tsheb yuav txo qis, ua rau muaj kev sib cuag ntau ntxiv thiab ua rau kev hnav sai dua. Kev ntsuas qhov loj ntawm sab nraud tsis tu ncua thaum lub sijhawm ua haujlwm tseem ceeb yog qhov pom zoo.

Kev qaug zog ntawm cov kabmob: Tom qab kev pabcuam ntev, cov kabmob yuav pom tias tawg vim yog kev qaug zog ntawm cov av hauv av, qhia tias cov khoom tau mus txog nws lub neej txwv. Qhov no feem ntau tshwm sim los ntawm kev tig tsis zoo, kev ua si ntau dua, thiab thaum kawg hnov ​​​​​​suab nrov thaum lub sijhawm ua haujlwm.

Kev Hnav Khaub Ncaws: Cov nplaim ntawm lub yoke tuaj yeem hnav dhau sijhawm, ua rau muaj kev sib txawv thiab ua rau lub idler tsis sib haum - tshwj xeeb tshaj yog nyob rau hauv cov tshuab uas muaj sijhawm ua haujlwm siab lossis cov uas ua haujlwm hauv cov chaw ua haujlwm abrasive uas cov khoom me me sib sau ua ke ntawm cov nplaim swb.

6.3 Cov Cim Qhia Txog Kev Hnav Thiab Cov Txheej Txheem Tshuaj Xyuas

Kev tshuaj xyuas tsis tu ncua ntawm 250 teev ib zaug yuav tsum xyuas seb puas muaj:

• Cov roj xau nyob ib puag ncig cov foob (qhia tias lub foob puas lawm)
• Kev ua si tsis zoo hauv lub idler (pom los ntawm kev prying vertically thiab kab rov tav nrog txoj kev tsa)
• Cov qauv hnav tsis sib xws ntawm cov tread lossis flanges
• Txo qhov loj ntawm lub log idler sab nraud
• Kev ua kom cov flanges qhia nyias
• Kev txav mus los thiab kev tshem tawm ntawm txoj kab tsheb ciav hlau
• Qhov xwm txheej ntawm lub roj teeb thiab lub tog raj kheej rau kev kho txoj kab
• Cov suab nrov txawv txawv (sib tsoo, squeaking) los ntawm lub undercarriage thaum lub sijhawm ua haujlwm
• Kev puas tsuaj pom tseeb lossis kev hloov pauv los ntawm kev cuam tshuam nrog cov teeb meem

7. Kev Teeb Tsa, Kev Txij Nkawm, thiab Kev Txhim Kho Lub Neej Kev Pabcuam

7.1 Cov Kev Xyaum Txhim Kho Kev Tshaj Lij rau Hitachi Excavators

Kev teeb tsa kom zoo cuam tshuam rau lub neej ua haujlwm ntawm lub tshuab EX200 / ZX200:

Kev Npaj Lub Ncej Tsheb Ciav Hlau: Cov nplaim ntawm lub thav tsheb ciav hlau yuav tsum huv thiab tsis muaj burrs. Txhua qhov kev puas tsuaj rau cov ncej tsheb ciav hlau yuav tsum tau kho kom ntseeg tau tias kev txav mus los du. Cov phaj hnav lossis cov ntaub thaiv uas tawv yuav tsum tau kuaj xyuas thiab hloov yog tias hnav dhau qhov txwv kev pabcuam.

Kev Teeb tsa Yoke: Tus yoke yuav tsum swb tau yooj yim ntawm cov ncej; thov roj rau ntawm qhov chaw swb raws li pom zoo. Xyuas kom meej tias qhov sib phim ntawm tus idler nrog txoj kev sib tw thiab xyuas kom meej tias tus yoke koom nrog lub tog raj kheej kho txoj kev.

Cov Lus Qhia Txog Lub Torque ntawm Cov Khoom Siv Fastener: Cov ntsia hlau lossis cov phaj tuav yuav tsum tau nruj raws li cov lus qhia ntawm cov chaw tsim khoom siv cov wrenches torque uas tau teeb tsa. Kev tsis nruj heev ua rau muaj kev txav mus los uas ua rau hnav sai dua; kev nruj dhau ua rau muaj kev puas tsuaj rau xov lossis kev ua tsis tiav ntawm lub ntsia hlau. Rau cov ntawv thov Hitachi, cov nqi torque feem ntau yog 350-450 Nm nyob ntawm qhov loj me thiab qib ntawm lub ntsia hlau.

Kev Kho Qhov Nruj Ntawm Txoj Kev: Tom qab kev teeb tsa tiav lawm, kho qhov nro ntawm txoj kev raws li phau ntawv qhia siv tshuab. Rau cov tshuab khawb av 20-tuj, qhov sag kom raug feem ntau yog li ntawm 20-30 hli ntsuas ntawm qhov chaw nruab nrab ntawm txoj kev ntawm lub log thauj khoom thiab lub log idler. Tshawb xyuas qhov nro tom qab ob peb teev ntawm kev ua haujlwm thiab rov kho dua yog tias tsim nyog.

7.2 Cov Txheej Txheem Kev Txij Nkawm Tiv Thaiv

Kev Tshuaj Xyuas Tsis Tu Ncua: Kev tshuaj xyuas pom ntawm 250 teev ib zaug yuav tsum kuaj xyuas txhua qhov qhia txog kev hnav uas tau piav qhia ua ntej. Kev tshuaj xyuas ntau zaus dua (50-100 teev) yog qhov pom zoo rau cov kev siv hnyav xws li kev ua haujlwm hauv chaw khawb av lossis kev rhuav tshem.

Kev Tswj Xyuas Qhov Ntswg Ntawm Txoj Kev: Qhov nro ntawm txoj kev kom raug cuam tshuam ncaj qha rau lub neej ntawm lub idler. Qhov nro ntau dhau ua rau cov khoom thauj hnyav nce thiab ua rau hnav sai dua; qhov nro tsis txaus ua rau txoj kev sib tsoo uas ua rau lub foob puas sai dua thiab ua rau cov khoom thauj hnyav ntxiv rau ntawm lub idler. Xyuas qhov nro tsis tu ncua, tshwj xeeb tshaj yog tom qab ob peb teev thawj zaug ntawm lub idler tshiab thiab thaum ua haujlwm hauv cov xwm txheej hauv av hloov pauv.

Cov Kev Xav Txog Kev Ntxuav: Tsis txhob siv lub tshuab ntxuav siab uas ntxuav rau thaj chaw kaw, uas yuav ua rau cov pa phem dhau cov foob mus rau hauv cov qhov uas cov kabmob sib kis. Yog tias tsim nyog ntxuav, siv dej uas muaj zog tsawg thiab cia cov khoom qhuav ua ntej ua haujlwm. Tshem tawm cov khib nyiab uas tau sib sau ua ke ntawm thaj chaw idler thiab yoke thaum lub sijhawm tshuaj xyuas txhua hnub.

Kev Siv Lubrication: Ua raws li cov lus qhia ntawm cov chaw tsim khoom rau hom roj thiab lub sijhawm rau txhua qhov chaw siv lubrication ntawm lub yoke lossis lub tshuab kho. Rau cov idler bearings kaw, tsis tas yuav siv lubrication ntxiv thaum lub sijhawm ua haujlwm.

Kev Txheeb Xyuas Kev Sib Tov ntawm Txoj Kev: Xyuas kom tseeb tias txoj kev sib haum xeeb tsis tu ncua los ntawm kev saib xyuas qhov chaw ntawm txoj saw hlau piv rau cov menyuam thiab lub log thaum lub sijhawm mus ncaj. Kev sib haum xeeb qhia txog cov khoom puas tsuaj lossis lub thav duab puas tsuaj uas xav tau kev kho ua ntej kev puas tsuaj sai dua.

7.3 Cov Qauv Txiav Txim Siab Hloov Chaw

Cov idlers pem hauv ntej rau EX200 / ZX200 chav kawm tshuab yuav tsum tau hloov thaum:

• Qhov xau ntawm lub foob pom tseeb thiab tsis tuaj yeem tiv thaiv los ntawm kev ntxiv roj nplua nyeem
• Kev ua si radial lossis axial tshaj qhov chaw tsim khoom cov lus qhia (feem ntau 3-4 hli)
• Kev hnav ntawm flange ua rau txo qhov ua tau zoo ntawm kev taw qhia lossis ua rau cov npoo ntse
• Kev hnav ntawm cov log tsheb ntau dua li qhov tob ntawm cov ntaub ntawv tawv (feem ntau thaum txo qhov loj tshaj 10-15 hli)
• Kev txo qhov dav ntawm lub tread sab nraud ua rau tsis zoo rau kev qhwv txoj kev khiav
• Kev tig ntawm cov kabmob ua rau ntxhib, nrov, lossis tsis xwm yeem
• Pom tseeb tias qhov hnav lossis kev puas tsuaj rau lub log idler yog qhov tseeb
• Kev hnav lossis kev hloov pauv ntawm lub yoke tiv thaiv kev swb lossis kev sib dhos kom zoo

7.4 Txoj Kev Hloov Pauv Raws Li Lub Txheej Txheem

Rau qhov ua tau zoo tshaj plaws hauv qab thiab kev siv nyiaj tsawg, qhov xwm txheej ntawm lub idler yuav tsum tau soj ntsuam nrog rau txoj saw hlau (pins thiab bushings), sprocket, thiab cov menyuam hauv qab. Kev hloov cov khoom siv uas hnav hnyav heev hauv cov khoom sib phim yog suav tias yog kev coj ua zoo tshaj plaws los tiv thaiv kev hnav sai ntawm cov khoom tshiab.

Kev coj ua zoo tshaj plaws hauv kev lag luam pom zoo kom hloov cov idlers ua khub ntawm txhua sab kom tswj tau qhov kev ua tau zoo thiab tiv thaiv kev hnav sai ntawm cov khoom tshiab ua ke nrog cov khoom qub. Thaum ib tus idler qhia txog kev hnav ntau, sab idler sab nraud yuav muaj kev hnav zoo sib xws thiab yuav tsum tau hloov tib lub sijhawm.

Rau cov tshuab uas siv ntau (ntau tshaj 2,000 teev hauv ib xyoos), kev tshuaj xyuas lub hauv qab ntawm lub tsheb thauj khoom ntawm 1,000 teev ib zaug ua rau muaj kev npaj hloov pauv ua ntej, txo qhov tsis ua haujlwm uas tsis tau npaj tseg thiab ua kom zoo tshaj plaws rau tag nrho cov nqi ntawm kev muaj.

8. Kev Xav Txog Kev Yuav Khoom Zoo

8.1 Kev Txiav Txim Siab OEM vs. Aftermarket rau Cov Excavators Nruab Nrab

Cov thawj coj ntawm pawg tsheb yuav tsum soj ntsuam qhov kev txiav txim siab OEM piv rau qhov kev txiav txim siab zoo tom qab los ntawm ntau lub lens:

Kev Tshuaj Xyuas Tus Nqi: Cov khoom siv tom qab muag los ntawm cov chaw tsim khoom xws li CQC TRACK feem ntau muab 30-50% kev txuag nqi pib piv rau OEM qhov chaw. Rau cov nkoj uas muaj ntau lub tshuab EX200 / ZX200 chav kawm, qhov sib txawv no tuaj yeem sawv cev rau kev txuag nyiaj txhua xyoo. Tag nrho cov nqi ntawm kev muaj tswv yuav tsum suav nrog lub neej ua haujlwm xav tau, cov nqi ua haujlwm txij nkawm, thiab qhov cuam tshuam rau lub sijhawm tsis ua haujlwm.

Kev Sib Npaug Zoo: Cov chaw tsim khoom lag luam zoo tshaj plaws ua tiav kev ua tau zoo sib npaug nrog cov khoom OEM los ntawm cov khoom siv sib npaug (35MnB / 40Mn2), cov txheej txheem kho cua sov (core hardness 250-320 HB, qhov nyuaj ntawm qhov chaw HRC 52-58), thiab cov txheej txheem tswj xyuas zoo. CQC TRACK daim ntawv pov thawj ISO 9001 thiab cov txheej txheem kuaj xyuas kom meej tias muaj qhov zoo sib xws.

Kev Xav Txog Kev Pov Hwm: Cov kev pov hwm OEM feem ntau npog 1-2 xyoos lossis 2,000-3,000 teev, nrog rau cov kev cai nruj heev rau kev teeb tsa thiab cov khoom seem los ntawm cov neeg muag khoom tau tso cai. Cov chaw tsim khoom lag luam tom qab muag khoom muaj koob npe muaj cov kev pov hwm zoo sib xws uas npog cov teeb meem tsim khoom, nrog rau lub sijhawm them nqi ntawm 1-2 xyoos.

Muaj thiab Lub Sijhawm Ua Tau: Cov khoom OEM yuav ntsib lub sijhawm ua tau ntev dua vim yog kev faib khoom hauv nruab nrab thiab kev cuam tshuam ntawm cov khoom xa tuaj. Cov chaw tsim khoom tom qab muag nrog kev tsim khoom hauv zos feem ntau xa khoom tsis pub dhau 3-5 lub lis piam - qhov tseem ceeb rau kev txo qis lub sijhawm tsis ua haujlwm hauv cov khoom siv tsim nyiaj tau los. CQC TRACK kev tsim khoom sib xyaw ua ke ua rau muaj kev ua tiav raws li kev txiav txim rau ob qho tib si tus qauv thiab kev cai.

Kev Txhawb Nqa Daim Ntawv Thov: Cov neeg muag khoom tom qab muag uas muaj kev txawj ntse hauv kev tsim kho tuaj yeem muab kev txhawb nqa kev siv tshuab rau kev txheeb xyuas daim ntawv thov, kom ntseeg tau tias xaiv qhov khoom raug rau cov qauv Hitachi thiab xyoo tsim khoom tshwj xeeb. Kev txawj ntse ntawm kev siv cov ntaub ntawv sib txuas yog qhov tseem ceeb rau cov khoom siv qub uas cov ntaub ntawv OEM yuav raug txwv.

8.2 Cov Qauv Ntsuas Kev Muag Khoom

Cov kws tshaj lij kev yuav khoom yuav tsum siv cov txheej txheem kev ntsuam xyuas thaum ntsuas cov neeg muab khoom pem hauv ntej:

Kev Ntsuam Xyuas Peev Xwm Tsim Khoom: Kev ntsuam xyuas qhov chaw yuav tsum xyuas kom meej tias muaj:

• Cov khoom siv forging kaw-tuag rau kev tsim thawj zaug
• Cov chaw ua haujlwm CNC niaj hnub (zoo dua yog muaj peev xwm 5-axis)
• Cov kab kho cua sov tsis siv neeg nrog kev tswj huab cua
• Chaw ua kom tawv tawv nrog kev saib xyuas cov txheej txheem
• Cov chaw sib dhos ua ke hauv chav huv rau kev teeb tsa lub foob
• Cov chaw kuaj mob dav dav (UT, MPI, CMM, cov khoom siv kuaj mob tawv)

Cov Txheej Txheem Tswj Xyuas Zoo: Daim ntawv pov thawj ISO 9001: 2015 sawv cev rau tus qauv tsawg kawg nkaus uas lees txais tau, qhia txog cov txheej txheem sau tseg thiab kev coj ua kom zoo dua tas mus li. Cov neeg muag khoom uas muaj daim ntawv pov thawj ntxiv (ISO / TS 16949, CE cim) qhia txog kev cog lus zoo dua rau qhov zoo.

Kev Pom Tseeb Txog Khoom Siv thiab Txheej Txheem: Cov chaw tsim khoom muaj koob npe nrov npaj txhij muab cov ntawv pov thawj khoom siv (MTRs), cov ntaub ntawv txheej txheem, thiab cov ntawv qhia kev tshuaj xyuas. Cov kev thov rau kev kuaj qauv - suav nrog kev txheeb xyuas qhov ntev, kev kuaj qhov nyuaj, thiab kev kuaj metallographic - yuav tsum tau ua raws li kev tshaj lij.

Lub Peev Xwm Tsim Khoom thiab Lub Sijhawm Ua Haujlwm: Lub sijhawm ua haujlwm ib txwm rau kev tsim khoom tshwj xeeb yog 35-50 hnub rau cov khoom txheem, nrog rau kev tsim khoom sai sai rau cov kev xav tau ceev. Cov neeg muag khoom tswj cov khoom tiav rau cov qauv Hitachi feem ntau muab cov txiaj ntsig zoo rau cov kev pab cuam txij nkawm raws sijhawm.

Kev Paub thiab Lub Koob Npe: Cov neeg muab khoom uas muaj kev paub dhau los hauv Hitachi cov ntawv thov hauv qab tsheb qhia tau tias muaj peev xwm ruaj khov thiab kev lees txais los ntawm kev ua lag luam. Kev kuaj xyuas cov ntaub ntawv nrog cov neeg siv khoom uas twb muaj lawm muab kev nkag siab zoo txog kev ntseeg siab thiab qib kev pabcuam.

8.3 Qhov Zoo ntawm CQC TRACK rau Hitachi Daim Ntawv Thov

CQC TRACK muaj ntau qhov zoo sib txawv rau Hitachi excavator undercarriage kev yuav khoom:

• Kev Muaj Peev Xwm Tsim Khoom OEM / ODM: Cov khoom tsim los kom phim cov lus qhia ntawm cov khoom siv qub, nrog kev ywj pheej rau kev hloov kho raws li qhov xav tau.
• Kev Tswj Xyuas Kev Tsim Khoom Ua Ke: Kev sib koom ua ke tag nrho ntawm cov khoom siv los ntawm kev nrhiav khoom mus rau kev sib dhos zaum kawg ua kom muaj qhov zoo sib xws thiab kev taug qab tag nrho.
• Cov Khoom Siv Zoo Tshaj Plaws: Siv cov hlau sib xyaw 35MnB thiab 40Mn2 nrog cov tshuaj tswj hwm, ua tiav qhov nyuaj ntawm HRC 52-58 rau kev tiv thaiv kev hnav zoo tshaj plaws.
• Kev Ntsuam Xyuas Zoo Tag Nrho: Cov txheej txheem kuaj ntau theem suav nrog kev tshuaj xyuas spectroscopic, kev kuaj ultrasonic, thiab kev txheeb xyuas qhov ntev.
• Kev Paub Txog Daim Ntawv Thov: Pab neeg ua haujlwm txawj ntse uas nkag siab tob txog Hitachi EX thiab ZX series undercarriage systems, ua kom muaj kev sib piv tseeb ntawm cov lej ntu 9134282, 71401320, thiab 9242964.
• Kev Muaj Peev Xwm Muab Khoom Thoob Ntiaj Teb: Tsim kom muaj cov tes hauj lwm faib khoom uas pab cov lag luam thoob ntiaj teb nrog lub sijhawm ua khoom zoo thiab tus nqi sib tw.

9. Kev Tshawb Fawb Txog Kev Lag Luam thiab Cov Qauv Yav Tom Ntej

9.1 Cov Qauv Kev Xav Tau Thoob Ntiaj Teb

Kev ua lag luam thoob ntiaj teb rau cov khoom siv hauv qab ntawm lub excavator nruab nrab txuas ntxiv nthuav dav, tsav los ntawm:

Kev Txhim Kho Vaj Tse: Cov kev pib ua haujlwm tseem ceeb hauv kev tsim kho vaj tse thoob plaws sab hnub tuaj Asia, Africa, thiab Middle East txhawb nqa qhov kev thov rau cov khoom siv tshiab thiab cov khoom hloov pauv. Cov tshuab EX200 / ZX200, uas tau xa tawm dav hauv cov cheeb tsam no, tsim cov kev xav tau tom qab kev lag luam rau cov khoom sib dhos thiab cov khoom cuam tshuam.

Kev Tsim Kho Hauv nroog: Chav kawm khawb av 20-tuj tseem yog lub zog ua haujlwm ntawm kev tsim kho hauv nroog thiab cov haujlwm tsim kho vaj tse thoob ntiaj teb, tsim kom muaj kev thov tas mus li rau kev saib xyuas hauv qab thiab cov khoom hloov pauv.

Cov Khoom Siv Laus Lawm: Kev tsis paub meej txog kev lag luam tau ua rau lub sijhawm khaws cov khoom siv ntev dua, ua rau kev siv cov khoom seem tom qab muag ntau ntxiv vim tias cov neeg ua haujlwm khaws cov tshuab Hitachi qub dua li hloov lawv. Ntau lub tshuab EX200 series txuas ntxiv ua haujlwm tom qab 20+ xyoo, xav tau kev txhawb nqa hauv qab tsheb tas li.

9.2 Kev Txhim Kho Txog Kev Siv Tshuab

Cov thev naus laus zis tshiab tab tom hloov pauv kev tsim khoom siv hauv qab lub tsheb thauj khoom:

Kev Txhim Kho Induction Hardening: Cov txheej txheem induction siab heev nrog kev saib xyuas qhov kub thiab txias tiag tiag thiab kev tswj hwm kev tawm tswv yim ua tiav qhov sib xws tsis tau muaj dua hauv qhov tob thiab qhov nyuaj faib, ua kom lub neej hnav ntev dua thaum txo kev siv hluav taws xob.

Kev Sib Dhos thiab Kev Tshuaj Xyuas Tsis Siv Neeg: Cov tshuab sib dhos ua ke nrog kev tshuaj xyuas pom kev ua kom ntseeg tau tias kev teeb tsa lub foob sib xws thiab kev txheeb xyuas qhov loj me, tshem tawm qhov sib txawv ntawm tib neeg hauv cov txheej txheem tseem ceeb.

Kev Txhim Kho ntawm Cov Khoom Siv: Kev tshawb fawb txog cov hlau nano-modified thiab cov kev kho cua sov siab heev cog lus tias yuav muaj cov khoom siv tiam tom ntej uas muaj kev tiv thaiv kev hnav zoo dua yam tsis muaj kev txis kev tawv.

Kev Hloov Pauv Digital: CQC TRACK tab tom hloov pauv tseem ceeb raws li cov qauv kev lag luam 4.0, tsim cov thev naus laus zis uas sau thiab soj ntsuam cov ntaub ntawv kev ua tau zoo hauv daim teb los qhia txog kev tsim khoom yav tom ntej.

9.3 Kev Ruaj Ntseg thiab Kev Tsim Khoom Dua Tshiab

Kev nce qib ntawm kev ua haujlwm ruaj khov hauv kev siv cov khoom siv hnyav ua rau muaj kev txaus siab rau cov khoom siv hauv qab uas tau tsim dua tshiab. Cov chaw tsim khoom zoo tab tom tsim cov txheej txheem rau kev rov ua dua thiab rov tsim cov khoom sib dhos idler, txuas lub neej ntawm cov khoom thiab txo qhov cuam tshuam rau ib puag ncig. Qhov sib txawv no yog qhov tseem ceeb rau Hitachi EX series tshuab, qhov twg cov khoom qub yuav tsis muaj los ntawm OEM channels.

10. Xaus Lus thiab Cov Lus Qhia Txog Kev Npaj

LubHITACHI 9134282 71401320 9242964 lub log pem hauv ntej idler sib dhosrau EX200, EX215, EX255, ZX200, thiab ZX210 cov khawb av sawv cev rau cov khoom siv ua kom raug uas nws qhov kev ua tau zoo cuam tshuam ncaj qha rau kev ruaj khov ntawm lub tshuab, lub neej khiav, thiab tus nqi ua haujlwm. Kev nkag siab txog cov txheej txheem kev txawj ntse - los ntawm kev xaiv cov hlau sib xyaw (35MnB / 40Mn2) thiab cov txheej txheem forging los ntawm kev ua haujlwm raug, cov kab ke bearing, thiab kev tsim ntau theem foob - ua rau cov kws tshaj lij kev yuav khoom txiav txim siab tau zoo uas sib npaug tus nqi pib tawm tsam tag nrho tus nqi ntawm kev muaj.

Rau cov neeg ua haujlwm Hitachi excavator fleet uas tab tom nrhiav tus nqi zoo tshaj plaws, cov lus qhia tseem ceeb hauv qab no tshwm sim los ntawm qhov kev tshuaj xyuas no:

1. Muab qhov tseem ceeb rau cov khoom siv thiab cov txheej txheem pob tshab, thov thiab txheeb xyuas cov ntaub ntawv ntawm cov qib hlau (35MnB/40Mn2), cov kev kho cua sov (core 250-320 HB, nto HRC 52-58), thiab cov txheej txheem tswj xyuas zoo.
2. Tshawb xyuas cov lus qhia ntawm lub kaw lus sealing, lees paub tias cov foob ntau theem nrog HNBR daim di ncauj foob, cov foob ntab, thiab cov tiv thaiv plua plav labyrinth muab kev tiv thaiv zoo dua hauv ntau qhov chaw ua haujlwm sib txawv uas feem ntau yog cov khawb av 20-tuj.
3. Tshuaj xyuas cov neeg muab khoom los ntawm lub lens ntawm lub peev xwm tsim khoom, nrhiav pov thawj ntawm kev ua haujlwm forging, cov khoom siv CNC niaj hnub, cov kab kho cua sov, thiab cov chaw kuaj mob dav dav es tsis txhob cia siab rau cov lus thov kev lag luam xwb.
4. Thaum hloov cov khoom lag luam tom qab muag rau OEM qhov lej 9134282, 71401320, thiab 9242964, xyuas kom meej tias muaj kev sib raug zoo nrog Hitachi tus qauv thiab cov koob tshwj xeeb.
5. Xav txog cov kev cai tshwj xeeb rau daim ntawv thov - cov idlers rau cov chaw txua zeb thiab cov ntawv thov khawb av hnyav yuav tau txais txiaj ntsig los ntawm cov pob khoom foob zoo dua lossis cov qauv flange hloov kho piv rau cov rau kev tsim kho dav dav.
6. Siv cov txheej txheem kev saib xyuas tsis tu ncua suav nrog kev tshuaj xyuas tsis tu ncua rau qhov xau ntawm lub foob, kev hnav flange, kev txo qhov loj ntawm lub tread, thiab kev nruj ntawm txoj kev - lees paub tias txawm tias lub idler zoo tshaj plaws yuav ua tsis tau zoo yog tsis muaj kev saib xyuas zoo.
7. Txais yuav cov tswv yim hloov pauv raws li lub kaw lus, soj ntsuam qhov xwm txheej ntawm lub idler nrog rau txoj saw hlau, sprocket, thiab rollers kom tiv thaiv kev hnav sai ntawm cov khoom tshiab nrog rau cov khoom qub.
8. Tsim kom muaj kev koom tes zoo nrog cov chaw tsim khoom xws li CQC TRACK uas qhia txog kev txawj ntse, kev cog lus zoo, thiab kev ntseeg siab ntawm cov khoom xa tuaj, hloov pauv ntawm kev yuav khoom mus rau kev tswj hwm kev sib raug zoo.

Los ntawm kev siv cov ntsiab cai no, cov neeg tsav tsheb Hitachi excavator fleet tuaj yeem tau txais cov kev daws teeb meem hauv qab uas txhim khu kev qha, pheej yig uas tswj tau kev tsim khoom ntawm lub tshuab thaum ua kom zoo dua qub rau kev lag luam mus sij hawm ntev - lub hom phiaj kawg ntawm kev tswj cov khoom siv tshaj lij hauv qhov chaw sib tw thoob ntiaj teb niaj hnub no.

CQC TRACK, ua ib lub chaw tsim khoom tshwj xeeb nrog kev muaj peev xwm tsim khoom sib xyaw thiab kev lees paub zoo, sawv cev rau qhov chaw muaj peev xwm rau Hitachi EX thiab ZX series idler assemblies, muab OEM thiab ODM zoo nrog cov nqi zoo ntawm kev tsim khoom tshwj xeeb hauv Suav teb.

Cov Lus Nug Feem Ntau (FAQ)

Q: Lub neej ua haujlwm ib txwm ntawm Hitachi EX200 / ZX200 chav kawm pem hauv ntej idler yog dab tsi?
A: Hauv cov ntawv thov kev tsim kho dav dav, cov idlers uas tau saib xyuas zoo feem ntau ua tiav 4,500-6,000 teev ua haujlwm. Cov xwm txheej hnyav (kev ua haujlwm txuas ntxiv mus, cov ntaub ntawv abrasive heev) yuav txo lub neej mus rau 3,000-4,500 teev.

Q: Kuv yuav ua li cas thiaj paub tseeb tias lub idler pem hauv ntej tom qab ua lag luam ua tau raws li Hitachi OEM cov lus qhia?
A: Thov cov ntawv qhia txog kev sim khoom siv (MTRs) uas lees paub txog cov tshuaj lom neeg sib xyaw (35MnB/40Mn2), cov ntaub ntawv pov thawj qhov nyuaj (core 250-320 HB, surface HRC 52-58), thiab cov ntawv qhia txog kev tshuaj xyuas qhov ntev. Cov chaw tsim khoom muaj koob npe zoo li CQC TRACK npaj txhij muab cov ntaub ntawv no.

Q: Qhov txawv ntawm Hitachi cov lej ntu 9134282, 71401320, thiab 9242964 yog dab tsi?
A: 9134282 yog tus thawj idler rau EX200 series (txhua tiam neeg). 71401320 yog tus qauv tsim kho dua tshiab rau ZX200/ZX210 Zaxis series. 9242964 yog qhov sib txawv hnyav rau EX215/EX255 cov qauv nrog cov flanges txhawb nqa thiab muaj peev xwm nce ntxiv.

Q: Puas yog Hitachi EX200 thiab ZX200 idlers sib pauv tau?
A: Feem ntau, yog - cov qauv tsim hauv qab sib koom ua ke cov lus qhia zoo sib xws, tab sis kev txheeb xyuas cov lej serial ntawm lub tshuab tshwj xeeb yog qhov tseem ceeb. Tus lej 71401320 uas siv rau ntawm ZX200 series yog sib xws nrog ntau daim ntawv thov EX200, tab sis kev lees paub nrog cov ntaub ntawv pov thawj kev siv tshuab yog qhov pom zoo.

Q: Cov txiaj ntsig ntawm kev nrhiav los ntawm CQC TRACK rau cov khoom siv Hitachi excavator yog dab tsi?
A: CQC TRACK muab cov nqi sib tw (30-50% qis dua OEM), kev tsim khoom sib xyaw nrog kev tswj hwm kev tsim khoom tag nrho, cov khoom siv zoo tshaj plaws nrog 35MnB alloy ua tiav HRC 52-58 qhov nyuaj ntawm qhov chaw, kev lees paub zoo (ISO 9001 tau ntawv pov thawj), thiab kev txawj ntse hauv kev tsim kho hauv Hitachi undercarriage systems.

Q: Kuv yuav ua li cas thiaj paub qhov ua tsis tiav ntawm lub foob ua ntej muaj kev puas tsuaj loj heev?
A: Kev tshuaj xyuas tas li yuav tsum xyuas seb puas muaj roj xau nyob ib puag ncig cov foob, zoo li ntub lossis cov khib nyiab sib sau ua ke. Kev tig tsis zoo uas pom tau los ntawm kev tig lub idler los ntawm tes (nrog txoj kab tsa) kuj qhia txog kev puas tsuaj ntawm lub foob lossis kev hnav ntawm cov kabmob.

Q: Dab tsi ua rau lub idler hnav ua ntej lub sijhawm hauv cov ntawv thov excavator nruab nrab?
A: Cov laj thawj feem ntau suav nrog kev ua tsis tiav ntawm lub foob uas tso cai rau cov khoom qias neeg nkag mus, kev nruj ntawm txoj kev tsis raug (yog nruj dhau lossis xoob dhau), kev ua haujlwm hauv cov ntaub ntawv abrasive heev, thiab kev sib xyaw cov idlers tshiab nrog cov khoom siv khiav uas hnav lawm.

Q: Kuv puas yuav tsum hloov cov idler pem hauv ntej ib tus zuj zus lossis ua khub ntawm EX200 / ZX200 chav kawm tshuab?
A: Kev coj ua zoo tshaj plaws hauv kev lag luam pom zoo kom hloov cov idlers ua khub ntawm txhua sab kom tswj tau qhov kev ua tau zoo thiab tiv thaiv kev hnav sai ntawm cov khoom tshiab ua ke nrog cov khoom siv hnav.

Q: Kuv yuav tsum tau txais kev lees paub dab tsi los ntawm cov neeg muag khoom zoo tom qab rau Hitachi excavator idlers?
A: Cov chaw tsim khoom lag luam tom qab muag uas muaj npe nrov feem ntau muab 1-2 xyoo lav rau kev tsim khoom tsis zoo, nrog rau lub sijhawm them nqi ntawm 2,000-3,000 teev ua haujlwm.

Q: Cov neeg ua haujlwm tom qab muag puas tuaj yeem hloov kho rau cov xwm txheej tshwj xeeb?
A: Yog lawm, cov chaw tsim khoom uas muaj kev paub dhau los xws li CQC TRACK muaj cov kev xaiv hloov kho kom haum rau cov xwm txheej ntub lossis plua plav, cov qib khoom siv hloov kho rau kev sib txhuam hnyav, thiab kev hloov kho geometry flange rau cov ntawv thov tshwj xeeb.

Q: Cov cim qhia txog kev hnav khaub ncaws tseem ceeb rau Hitachi excavator pem hauv ntej idlers yog dab tsi?
A: Cov cim qhia txog kev hnav tseem ceeb suav nrog kev txo qis ntawm sab nraud txoj kab uas hla (ntau tshaj 10-15 hli), kev nyias nyias ntawm cov flanges qhia, kev xau foob, kev ua si tsis zoo (ntau tshaj 3-4 hli), thiab kev tig tsis zoo.

Q: Yuav tsum kuaj xyuas qhov nruj ntawm txoj kab ntawm EX200 / ZX200 chav kawm excavators ntau npaum li cas?
A: Yuav tsum kuaj xyuas qhov nruj ntawm txoj kab khiav txhua 250 teev ntawm kev pabcuam, tom qab 10 teev thawj zaug ntawm kev ua haujlwm ntawm cov khoom tshiab, thiab thaum twg pom tus cwj pwm tsis zoo ntawm txoj kab khiav (swb, quaj, hnav tsis sib xws).

Daim ntawv tshaj tawm txog kev siv tshuab no yog rau cov thawj coj saib xyuas cov khoom siv, cov kws tshaj lij kev yuav khoom, thiab cov neeg ua haujlwm txij nkawm. Cov lus qhia thiab cov lus pom zoo yog raws li cov qauv kev lag luam thiab cov ntaub ntawv chaw tsim khoom muaj thaum lub sijhawm tshaj tawm. Txhua lub npe chaw tsim khoom, cov lej ntawm qhov chaw, thiab cov qauv qauv tsuas yog siv rau kev txheeb xyuas xwb. Ib txwm sab laj nrog cov ntaub ntawv khoom siv thiab cov kws tshaj lij kev tsim nyog rau kev txiav txim siab tshwj xeeb rau daim ntawv thov.