Taug qab Excavator EX300-1 EX300-2 EX300-3 Undercarriage 1022168 71471228 AT202586 Sprocket Log / Taug qab kawg tsav sprocket ntug / CQC OEM Zoo Thawj Hoobkas Muab Ncaj Qha

Hitachi EX300-1 EX300-2 EX300-3 Lub Tsheb Kauj VabLub log Sprocket/ Taug Kev Tsav Tsheb KawgLub SprocketRim - OEM Cross-Reference Part Numbers 1022168, 71471228, AT202586

Tsim los ntawm CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) - OEM Zoo Thawj Lub Hoobkas Muab Khoom Ncaj Qha

Kev Txheeb Xyuas Txog Kev Siv Tshuab

Cov ntawv tshaj tawm txog kev siv tshuab no muab cov ntaub ntawv qhia txog kev tsim kho rau peb lub Hitachi drive sprocket assemblies uas tseem ceeb heev—OEM cross-reference part numbers 1022168, 71471228, thiab AT202586—tsim tshwj xeeb rau EX300-1, EX300-2, thiab EX300-3 series hydraulic crawler excavators. Cov sprocket wheel assemblies no, uas yog hu ua track final drive sprocket rims lossis drive sprockets, sawv cev rau lub hauv paus tseem ceeb ntawm kev xa hluav taws xob hauv lub undercarriage track system. Lub sprocket yog lub iav contoured uas muaj cov hniav tsim los sib txuas nrog cov saw hlau bushings, hloov lub zog tig ntawm lub cev muaj zog tsav kawg mus rau hauv lub zog rub uas thawb tag nrho lub tshuab hla thaj av. Txhua tuj ntawm cov khoom siv uas lub excavator txav mus los thiab txhua 'meter' uas nws taug kev hla thaj av khawb av yog qhov tshwm sim ncaj qha ntawm lub zog uas cov hniav sprocket siv tawm tsam cov saw hlau.

Qhov kev tshuaj xyuas no tshuaj xyuas txhua tus lej ntawm ntau lub lens kev siv tshuab: cov hauv paus ntsiab lus ntawm kev sib kis torque, cov khoom siv hlau rau cov ntawv thov mining uas muaj kev cuam tshuam siab, kev tsim khoom siv siab heev nrog kev tsom mus rau kev kaw-tuag kub precision forging thiab cov thev naus laus zis kho cua sov, cov txheej txheem kev lees paub zoo suav nrog ISO 9001: 2015 daim ntawv pov thawj, kev kuaj mob qauv hnav thiab cov qauv hloov pauv, thiab kev txiav txim siab txog kev nrhiav khoom zoo rau kev ua haujlwm mining thoob plaws South America, Australia, Europe, Russia, thiab Central Asia. CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) ua haujlwm ua tus tsim khoom OEM thiab ODM nrog ntau tshaj ob xyoo caum ntawm kev tshwj xeeb hauv cov khoom siv crawler excavator undercarriage, lees paub tias yog ib qho ntawm peb lub tuam txhab tsim khoom sab saum toj hauv thaj av Quanzhou, Tuam Tshoj lub koom haum kev lag luam tseem ceeb rau kev tsim khoom siv hnyav.

Lub tuam txhab txoj kev hloov pauv los ntawm lub chaw ua haujlwm tshwj xeeb hauv xyoo 1990s mus rau nws qhov xwm txheej tam sim no ua lub zog tsim khoom sib xyaw ua ke qhia txog kev tsom mus rau qhov chaw me me hauv qab, nqis peev rau hauv cov khoom siv tsim khoom siab heev thiab cog kev txawj ntse tob hauv metallurgy thiab tribology tshwj xeeb rau cov kab ke taug qab. Qhov kev tshwj xeeb no ua rau CQC TRACK xa cov khoom sprocket uas tsis yog tsuas yog ua tau raws li tab sis feem ntau tshaj OEM cov qauv kev ua tau zoo, nrog lub hom phiaj tseem ceeb ntawm kev tsim kom muaj lub network zoo ntawm Mining Service Centers hauv cov chaw mining loj thoob ntiaj teb.

1. Kev Txheeb Xyuas Khoom thiab Kev Siv

1.1 Cov Npe Cheebtsam thiab Kev Txheeb Xyuas Kev Ua Haujlwm

Lub sprocket tsav, tseem hu ua lub log sprocket tsav kawg, pawg ntu, lossis lub log sprocket, yog lub zog xa hluav taws xob tseem ceeb ntawm lub tshuab khawb av hauv qab. Tsis zoo li cov khoom siv passive xws li cov menyuam nqa khoom lossis idlers, lub sprocket yog ib qho khoom siv nquag, tsav uas koom nrog ncaj qha nrog cov saw hlau txoj kev bushings los txhawb lub tshuab. Cov hniav sprocket sib txuas nrog cov saw hlau txoj kev bushings cylindrical, rub cov saw hlau ncig lub thav duab hauv qab hauv lub voj voog tas mus li, ua rau lub tshuab khawb av txav mus rau pem hauv ntej, thim rov qab, thiab tig.

Lo lus 'sprocket' yog siv rau txhua lub iav uas muaj radial extensions cuam tshuam nrog ib txoj saw hlau uas txav hla nws.Lub Sprockets tuaj yeem ntsia tau rau ntawm qhov kawg lossis qhov kawg ntawm lub tshuab, lossis qee zaum ntawm ob qho kawg. Ntawm lub tshuab khawb av, lub sprocket tsav tau teeb tsa ncaj qha rau ntawm qhov tso zis ntawm lub cev muaj zog tsav kawg (lub cev muaj zog mus ncig) thiab tau muab tso rau tom qab ntawm lub thav duab hauv qab, rov qab rau pem hauv ntej idler.

Lub luag haujlwm tseem ceeb ntawm lub sprocket tsav suav nrog:

• Kev Hloov Pauv Torque-rau-Traction: Hloov lub zog tig uas tsim los ntawm lub cev muaj zog hydraulic mus rau hauv lub zog rub kab uas txav cov saw hlau thiab, yog li ntawd, tag nrho lub tshuab.
• Kev Sib Koom Tes Ua Ke: Kev sib koom tes nrog cov bushings ntawm txoj kev sib tw nrog cov hniav geometry kom ntseeg tau tias kev sib kis fais fab du thiab sib xws yam tsis muaj kev hla lossis khi.
• Kev Faib Khoom: Faib cov khoom thauj kom sib npaug thoob plaws ntau cov hniav thiab cov bushings kom tiv thaiv cov ntsiab lus ntxhov siab uas yuav ua rau hnav lossis ua tsis tiav ua ntej lub sijhawm.
• Kev Tswj Xyuas Kev Taw Qhia: Ua haujlwm ua ke nrog lub idler pem hauv ntej thiab cov menyuam khiav kom tswj tau qhov sib dhos ntawm txoj saw hlau thaum mus tom ntej, rov qab, thiab tig.

1.2 OEM Qhov Tooj thiab Cov Qauv Hitachi Excavator Sib Xws

Peb lub drive sprocket assemblies uas tau sau tseg hauv qhov kev tshuaj xyuas no sib raug rau Hitachi OEM engineering specifications, muab kev sib pauv ncaj qha yam tsis tas yuav hloov kho rau lub hub tsav kawg lossis cov khoom siv khiav. Lub rooj hauv qab no muab cov ntaub ntawv qhia txog kev sib txuas lus:

Tus qauv EX300-2, uas sawv cev rau lub platform tseem ceeb rau cov ntawv thov sprocket no, muaj qhov hnyav thauj khoom ntawm 28.6 tons thiab qhov dav ntawm txoj kev yog 600 mm. Qhov ntev ntawm kev thauj khoom yog 11.06 meters ntev, 3.39 meters dav, thiab 3.41 meters siab. EX300-1, EX300-2, thiab EX300-3 sib koom ua ke cov qauv hauv qab, ua rau cov sprocket sib dhos sib pauv tau ncaj qha rau txhua peb tus qauv sib txawv. Phau ntawv kho kev pabcuam EX300-3C suav nrog cov ntu hauv qab uas suav nrog Pawg 1 Swing Bearing, Pawg 2 Travel Device (uas suav nrog qhov kawg drive sprocket interface), Pawg 4 Track Adjuster, Pawg 5 Front Idler, thiab Pawg 6 Upper thiab Lower Roller, lees paub qhov xwm txheej sib koom ua ke ntawm lub kaw lus hauv qab.

1.3 Kev Tsim Kho Vaj Tse thiab Kev Sib Dhos Ua Ke

Ib qho kev sib dhos ua tiav ntawm lub sprocket kawg muaj cov khoom me me uas tau tsim ua tiav, txhua tus tsim tawm rau qhov kev kam rau siab:

• Lub npoo ntawm lub sprocket (Lub nplhaib hniav): Lub khoom sab nraud uas muaj hniav uas ncaj qha koom nrog cov bushings ntawm txoj saw hlau. Cov hniav muaj cov qauv geometry involute uas tsim los sib txuas nrog cov bushings cylindrical ntawm txoj saw hlau yam tsis ua rau muaj kev sib txhuam lossis hnav ntau dhau.
• Hub (Mounting Interface): Qhov nruab nrab ntawm lub sprocket uas bolts ncaj qha mus rau qhov kawg tsav lub cev muaj zog lub hub flange. Lub hub muaj xws li cov qhov bolt drilled meej nrog cov chaw zaum tawv.
• Cov Khoom Siv Rau Kev Teeb: Cov ntsia hlau muaj zog heev, cov ntaub qhwv tawv, thiab cov txiv ntoo xauv (feem ntau yog qib 10.9 lossis siab dua) uas khi lub ntug sprocket rau lub hub tsav kawg. Rau cov ntawv thov hauv chav kawm mining, cov lus qhia txog lub zog bolt feem ntau yog txij li 1,000 txog 1,100 Nm nyob ntawm qhov loj me ntawm cov khoom siv txuas.
• Kev Teeb tsa Segmented (Xaiv tau): Rau cov chav kawm excavator loj dua lossis kev yooj yim txij nkawm, qee qhov qauv sprocket siv kev tsim kho segmented nrog 3–5 daim ib daim bolted ua ke nyob ib puag ncig lub hub tsav kawg. Txawm li cas los xij, rau chav kawm EX300-1/2/3, ib daim sprocket rim yog tus qauv teeb tsa.

2. Cov Qauv Ntsuas thiab Cov Qauv Engineering

2.1 Qhov Loj ntawm Kev Teeb Tsa

Cov lus qhia txog qhov ntev rau Hitachi EX300-1/2/3 tsav sprockets, raws li tau sau tseg hauv kev siv tshuab kev lag luam, yog raws li nram no:

Cov qhov ntev no siv rau EX300-1, EX300-2, thiab EX300-3 sprocket configurations. Lub EX300-5 variant siv me ntsis qhov ntev sib txawv (A: 745, C: 481, H: 88, N: 20, D: 21.5) thiab yuav tsum tsis txhob pauv nrog EX300-1/2/3 sprockets.

2.2 Cov Khoom Siv Qib Siab

Qhov kev xaiv qib khoom siv rau cov sprockets tsav ncaj qha txiav txim siab lub neej ua haujlwm ntawm cov khoom hauv cov chaw khawb av uas muaj kev sib txhuam siab. CQC TRACK tsim cov Hitachi cross-reference sprockets siv cov qib hlau alloy zoo tshaj plaws xaiv rau lawv cov khoom siv kho tshuab tshwj xeeb hauv kev siv hluav taws xob:

ZG40Mn Cast Steel: Ib hom manganese-alloy cast steel uas muaj kev tiv taus zoo thiab muaj zog nruab nrab. Cov khoom siv no haum rau cov ntawv thov ua haujlwm ib txwm muaj qhov twg qib kev txhuam nruab nrab. Qib 40Mn muab kev ua haujlwm zoo heev rau cov hniav sib txawv.

20CrMnTi Alloy Steel: Ib hom hlau chromium-manganese-titanium alloy uas muaj zog tawv zoo, tiv taus kev hnav zoo heev, thiab ua kom tawv dua. Kev ntxiv titanium ua kom cov qauv nplej zoo dua, ua rau lub zog qaug zog zoo dua thiab tiv taus kev tawg hniav thaum raug kev co. Qib no yog cov khoom siv zoo tshaj plaws rau kev siv sprocket hauv kev khawb av.

Forged 42CrMo (High-Grade Alternative): Ib hom hlau chromium-molybdenum forged alloy uas muaj zog heev, tawv tob, thiab tiv taus kev cuam tshuam zoo heev. Rau cov kev siv hauv kev khawb av uas xav tau kev siv ntev, forged 42CrMo muab kev ua tau zoo tshaj plaws.

Cov Hlau Sib Xyaws Muaj Zog: Cov ntaub ntawv hauv qab tsheb thauj khoom siab heev ua ke nrog cov sprockets, idlers, thiab rollers uas tau kho cua sov tam sim no teeb tsa cov qauv tshiab rau lub tshuab ua haujlwm ntev, txo lub sijhawm tsis ua haujlwm, thiab txhawb kev tsim khoom. Cov hlau sib xyaws muaj zog yog lub hauv paus ntawm cov txheej txheem hauv qab tsheb thauj khoom niaj hnub no. Cov ntaub ntawv no tiv taus kev txhuam thiab kev hloov pauv thaum muaj kev thauj khoom hnyav.

2.3 Forging vs. Casting: Kev Xav Txog Engineering

Txoj kev tsim khoom - forging piv rau casting - cuam tshuam loj heev rau kev ua tau zoo ntawm sprocket thiab kev pabcuam lub neej hauv kev siv mining:

Forged Sprockets: Cov txheej txheem forging ua kom cov hlau cov qauv sab hauv zoo dua, tshem tawm cov porosity, thiab sib phim cov nplej ntws nrog cov khoom tseem ceeb ntawm txoj kev ntxhov siab. Qhov tshwm sim yog cov khoom siv kho tshuab zoo dua suav nrog lub zog cuam tshuam siab dua, kev tiv taus qaug zog zoo dua, thiab kev tiv taus ntau dua rau kev ua tsis tiav hauv qab cov khoom hnyav heev. Kub precision forging (nias forging thiab precision trimming) tuaj yeem tsim cov ntu sprocket los ntawm cov txheej txheem yooj yim, txo lub sijhawm tsim khoom thiab tus nqi thaum ruaj ntseg lub zog sib tw.

Cov Sprockets Casting: Kev casting tso cai rau cov hniav geometries nyuaj thiab feem ntau yog tus nqi zoo dua rau cov ntim ntau lawm. Txawm li cas los xij, cov khoom cam khwb cia yuav muaj cov porosity sab hauv lossis cov khoom suav nrog uas tuaj yeem ua qhov chaw pib tawg hauv qab kev thauj khoom cyclic. Vim li no, cov sprockets qib mining rau cov ntawv thov muaj kev cuam tshuam siab feem ntau yog teev tseg ua cov khoom forged es tsis yog cam khwb cia.

CQC TRACK siv ob txoj kev tsim khoom nyob ntawm tus lej tshwj xeeb thiab cov kev xav tau ntawm daim ntawv thov, nrog rau cov sprockets qib siab tsim los ntawm cov txheej txheem forging kaw-tuag siv 52Mn, 55Mn, thiab 40CrNiMo alloy steels, kom ntseeg tau tias cov nplej ntws zoo tshaj plaws thiab cov khoom siv ntom ntom hauv cov khoom seem, qhov tseem ceeb rau lub zog cuam tshuam thiab lub neej qaug zog.

3. Kev Kho Mob Kub

3.1 Cov Ntsiab Cai Metallurgical rau Sprocket Daim Ntawv Thov

Kev kho cua sov yog qhov tseem ceeb tshaj plaws hauv kev tsim khoom uas txiav txim siab lub neej ntawm sprocket hauv kev siv mining. Hauv ntiaj teb ntawm cov tshuab hnyav, cov khoom hauv qab tsheb thauj khoom tas li sib ntaus sib tua, siab, thiab qhov chaw abrasive. Txhua lub sprocket, roller, thiab khiav khau ua haujlwm nyob rau hauv lub nra hnyav thiab rov ua dua. Yuav kom muaj sia nyob hauv cov xwm txheej hnyav no, qhov nyuaj ntawm cov khoom siv yog qhov tseem ceeb - thiab ua tiav qhov nyuaj ntawd nyob ntawm kev kho cua sov kom zoo.

Kev kho cua sov tsis yog ib kauj ruam hauv kev tsim khoom xwb; nws yog ib qho kev tshawb fawb uas hloov cov hlau ntawm theem molecular. Los ntawm kev tswj cua sov thiab txias - feem ntau yog quenching thiab tempering - hlau ua tiav qhov sib npaug ntawm qhov nyuaj thiab kev tawv. Rau cov khoom siv hauv qab ntawm lub tsheb laij teb excavator, qhov sib npaug no txiav txim siab tias ib feem yuav kav ntev npaum li cas ua ntej qaug zog lossis deformation tshwm sim.

Cov txheej txheem quenching yog qhov uas cov hlau lub zog tiag tiag pib. Cov khoom siv raug cua sov rau qhov kub tseem ceeb (feem ntau nyob ib puag ncig 850–900 ° C), qhov twg nws cov qauv crystalline hloov mus ua austenite. Tom qab ntawd nws txias sai sai - feem ntau los ntawm kev immersion hauv dej lossis roj. Qhov kub poob qis no xauv cov pa roj carbon atoms rau hauv qhov chaw, tsim cov qauv microstructure nyuaj heev tab sis brittle hu ua martensite. Qhov no yog li cas qhov nyuaj, hnav-resistant nto tseem ceeb rau sprocket hniav yog tsim.

3.2 Cov Txheej Txheem Quenching thiab Tempering

Txawm hais tias kev quenching ua rau muaj kev tawv, nws kuj ua rau muaj kev tawg yooj yim. Kev tempering yog qhov tseem ceeb tom qab uas txo cov kev ntxhov siab sab hauv thiab rov qab ua kom yooj yim dua. Cov khoom siv rov ua kom sov dua rau qhov kub qis dua, tswj tau (feem ntau ntawm 150–500 ° C) thiab tuav rau ib lub sijhawm tshwj xeeb ua ntej txias qeeb. Cov txheej txheem no txo ​​qhov tawv heev me ntsis tab sis txhim kho qhov tawv, kev tiv thaiv kev cuam tshuam, thiab kev ywj pheej. Qhov tshwm sim yog kev sib xyaw ua ke zoo tagnrho - qhov chaw tawv, tiv taus hnav thiab lub hauv paus muaj zog, yoog tau - zoo meej rau sprockets uas yuav tsum tiv taus cov khoom thauj thiab kev poob siab.

Cov sprockets uas tau kho cua sov ua kom cov hniav zoo ntev dua, ua kom ntseeg tau tias kev sib txuas nrog cov saw hlau du. Qhov no txo ​​cov saw hlau hnav thiab tiv thaiv kev puas tsuaj ua ntej lub sijhawm.

3.3 Cov Lus Qhia Txog Qhov Nyuaj

Rau Hitachi EX300-1/2/3 sprockets, qhov nyuaj ntawm qhov chaw feem ntau yog txij li HRC 42 txog HRC 56 nyob ntawm qhov kev tsim khoom tshwj xeeb, txo qhov hnav thiab ntev lub neej. Cov sprockets qib siab rau cov ntawv thov mining hnyav ua tiav qhov nyuaj ntawm HRC 52–58 nrog qhov tob ntawm 8–12 hli, muab lub neej hnav ntev dua nyob rau hauv cov xwm txheej siab-abrasive suav nrog cov av nplua nuj silica, txoj kev thauj pob zeb tsoo, thiab cov ntaub ntawv muaj silica ntau dhau.

3.4 Kev Tswj Xyuas Zoo thiab Kev Sib Xws

Kev kho cua sov zoo yuav tsum tau kev tswj xyuas zoo. Cov chaw tsim khoom yuav tsum saib xyuas qhov kub thiab txias sib xws, lub sijhawm ntub dej, qhov txias, thiab cov qauv metallographic kom ntseeg tau tias cov txheej txheem ua tau raws li qhov yuav tsum tau ua. Kev tsis quav ntsej txog cov kev ntsuas no - lossis kev cia siab rau kev kho cua sov tsis sib xws - tuaj yeem ua rau lub neej ntawm cov khoom luv luv. Txawm tias qhov kub me me thaum lub sijhawm quenching lossis tempering tuaj yeem ua rau qhov nyuaj tsis sib xws, ua rau hnav ua ntej, tawg, lossis tsis ruaj khov.

Cov khoom tsim los ntawm kev siv cov hlau sib xyaw thiab kev kho cua sov raug kuaj xyuas kom zoo kom ntseeg tau tias muaj qhov nyuaj sib xws, tiv taus kev cuam tshuam, thiab lub zog qaug zog. Qib zoo no txo ​​qhov yuav muaj kev puas tsuaj tsis tau xav txog thiab ua kom cov tshuab ua haujlwm tau zoo tshaj plaws rau lub sijhawm ntev dua.

4. Kev Tsim Khoom Siv

4.1 Kev Siv Tshuab Forging Kaw-Tuag

CQC TRACK siv cov txheej txheem forging kaw-die siab heev rau kev tsim cov sprocket qib siab. Cov txheej txheem forging kub ntau theem suav nrog:

Kev Forging Kub Thawj Zaug: Ib lub billet uas tau cua sov lawm raug muab tso rau hauv lub tshuab tuag booster uas tau teeb tsa rau ntawm lub tshuab forging kom ua qhov faib tawm ntawm qhov ntim, tsim kom muaj cov duab thiab qhov ceev ntawm cov khoom siv.

Kev Forging Kub Thib Ob: Cov khoom siv forged kub raug muab tso rau hauv lub pwm thaiv kom tsim lub ntsej muag tav, tsim kom muaj cov qauv tseem ceeb.

Kev Sib Tsoo Kub Tertiary: Cov khoom siv sib tsoo kub thib ob raug muab tso rau hauv lub pwm ua tiav kom khaws cov ces kaum thiab cov dav hlau ntawm lub ntsej muag hniav thiab lub ntsej muag tav, ua tiav qhov tseeb kawg.

Kev Txiav-Thoov-Nchuav: Cov khoom siv kub-forged thib peb raug muab tso rau hauv lub pwm qhia khoom ntawm lub pwm txiav-thoov-nchuav kom tshem tawm qhov flash thiab tsim cov qhov bolt tib lub sijhawm, tshem tawm qhov xav tau kev ua haujlwm machining ntxiv.

4.2 CNC Machining Peev Xwm

Txhua qhov chaw tseem ceeb ntawm Hitachi cross-reference sprockets yog machined siv cov CNC lathes niaj hnub, milling tshuab, thiab drilling chaw uas ua cov haujlwm machining ntxhib thiab tiav rau ISO 2768-mK dimensional precision standards. Siv cov txheej txheem hardening thiab tempering tshwj xeeb ua kom cov khoom muaj cov yam ntxwv zoo tshaj plaws, kev ruaj khov tshwj xeeb, thiab kev tiv thaiv zoo rau kev deformation thiab tawg. Tsim los ntawm kev siv cov chaw machining niaj hnub thiab ntsug CNC lathes kom ua tau raws li cov qauv kev nruj.

4.3 Kev Ua Haujlwm Tsim Khoom Ua Ke

Lub tuam txhab txoj kev tsim khoom muaj peev xwm yog tsim los ntawm kev sib koom ua ke ntsug thiab cov txheej txheem tswj hwm ua ntu zus:

• Kev Koom Tes Ua Forging & Forging Hauv Tsev: Siv cov hlau zoo 52Mn, 55Mn, thiab 40CrNiMo los ntawm kev tswj hwm cov txheej txheem forging, kom ntseeg tau tias cov nplej ntws zoo tshaj plaws thiab cov khoom siv ntom ntom hauv cov khoom seem.
• CNC Machining Centers: Cov roj teeb ntawm cov tshuab CNC niaj hnub, cov tshuab milling, thiab cov chaw drilling ua cov tshuab ntxhib thiab ua tiav rau ISO 2768-mK kev kam rau siab.
• Cov Kab Kho Mob Kub Siab: Cov cub tawg uas tswj los ntawm lub khoos phis tawj ua kom tawv thiab ua kom sov tau qhov sib sib zog nqus, sib npaug ntawm HRC 52–58 nrog qhov tob ntawm 8–12 hli.
• Txheej Txheem Tiv Thaiv Kev Xeb: Cov txheej txheem pleev xim rau qib kev lag luam uas muab kev tiv thaiv xeb mus sij hawm ntev, muaj xim dub, daj, lossis xim tshwj xeeb kom ua tau raws li cov neeg siv khoom xav tau.

5. Kev Ntsuam Xyuas Zoo thiab Cov Txheej Txheem Kev Ntsuas

5.1 ISO 9001: 2015 Kev Tsim Khoom Muaj Ntawv Pov Thawj

Txhua lub CQC TRACK sprocket yog tsim tawm raws li cov txheej txheem ISO 9001: 2015, nrog rau cov khoom seem uas taug qab tau los ntawm kev tau txais cov khoom siv raw mus txog rau kev sib dhos tiav. Lub kaw lus tswj xyuas zoo suav nrog txhua theem tsim khoom:

• Daim Ntawv Pov Thawj Khoom Siv: Daim ntawv pov thawj khoom siv raw khoom tuaj yeem txheeb xyuas cov khoom sib xyaw thiab cov khoom siv kho tshuab raws li cov qauv kev lag luam, suav nrog daim ntawv pov thawj kuaj lub Hoobkas.
• Kev Txheeb Xyuas Kev Forging: Kev tshuaj xyuas cov khoom forged kom paub meej tias muaj qhov loj me, qhov zoo ntawm qhov chaw, thiab tsis muaj qhov tsis zoo sab hauv siv kev kuaj ultrasonic.
• Kev Txheeb Xyuas Kev Kho Mob Kub: Kev txheeb xyuas cov qauv tawv thiab qhov tob ntawm lub thawv siv cov cuab yeej ntsuas Rockwell hardness thiab kev kuaj metallographic.
• Kev Tshawb Xyuas Qhov Ntev ntawm Tshuab: Kev tshuaj xyuas qhov ntev thaum lub sijhawm ua haujlwm thiab qhov ntev kawg siv CMM (Coordinate Measuring Machine) thiab cov khoom siv ntsuas qhov tseeb.
• Kev Xeem Zaum Kawg: Kev tshuaj xyuas cov hniav profile, kev txheeb xyuas qhov bolt, thiab kev sim dynamic balance yog tias siv tau.

5.2 Kev Tshuaj Xyuas Qhov Ntev thiab Daim Ntawv Pov Thawj

Cov sprockets tiav lawm raug tshuaj xyuas qhov ntev tag nrho siv cov khoom siv ntsuas calibrated. Txhua qhov ntev tseem ceeb raug txheeb xyuas raws li OEM engineering specification, nrog rau cov ntaub ntawv tshuaj xyuas khaws cia rau kev taug qab tag nrho. Cov ntsiab lus tshuaj xyuas tseem ceeb suav nrog:

• Kev txheeb xyuas qhov dav dav tag nrho raws li cov lus qhia (Qhov ntev: 701mm rau EX300-1/2/3)
• Kev lees paub suav cov hniav (Z: 21 hniav)
• Kev ntsuas lub voj voog ntawm lub suab (C: 465mm)
• Kev txheeb xyuas qhov txoj kab uas hla ntawm lub qhov ntsia hlau (N: 20mm)
• Kev kuaj xyuas qhov sib npaug ntawm lub hub
• Kev tshuaj xyuas cov qauv hniav siv cov ntsuas tshwj xeeb

Cov ntawv qhia txog kev tshuaj xyuas qhov ntev thiab cov ntawv pov thawj kuaj hlau muaj thaum thov, muab cov kws tshaj lij kev yuav khoom nrog cov pov thawj sau tseg ntawm kev ua raws li qhov zoo.

5.3 Kev lav thiab kev cia siab rau lub neej kev pabcuam

Kev lav phib xaub rau cov sprockets tom qab kev lag luam feem ntau yog txij li 12 txog 24 lub hlis nyob ntawm tus neeg tsim khoom thiab daim ntawv thov. Rau Hitachi EX300-1/2/3 sprockets tsim los ntawm CQC TRACK, lub sijhawm lav phib xaub yog sib haum nrog cov neeg siv khoom xav tau thiab qhov hnyav ntawm daim ntawv thov. Lub neej ua haujlwm ib txwm muaj hauv kev siv mining yog txij li 10,000 txog 15,000 teev ua haujlwm nyob ntawm cov xwm txheej hauv av, kev coj ua ntawm tus neeg teb xov tooj, thiab cov sijhawm txij nkawm, nrog rau kev txij nkawm kom zoo. Rau cov chaw ua haujlwm hnyav, lub neej ua haujlwm yuav raug txo kom haum.

5.4 Kev Tiv Thaiv Kev Xeb thiab Kev Ntim Khoom

Qhov saum npoo ntawm lub sprocket yog coated nrog cov xim tiv thaiv xeb rau kev lag luam, muaj xim dub, daj, lossis xim tshwj xeeb kom ua tau raws li cov neeg siv khoom cov lus qhia. Cov txheej tiv thaiv lub sprocket los ntawm xeb thiab kev raug mob hnyav thaum lub sijhawm khaws cia thiab ua haujlwm hauv thaj teb.

Cov sprockets tiav lawm tau qhwv rau hauv zaj duab xis tiv thaiv xeb thiab ntim rau hauv pallets lossis fumigated ntoo crates uas tsim nyog rau kev thauj khoom hauv dej hiav txwv thoob ntiaj teb. Txhua pob khoom tau sau nrog tus lej ntawm qhov chaw, qhov loj me, thiab qhov ntau kom yooj yim tuav thiab txheeb xyuas ntawm cov chaw nres nkoj thiab cov tsev rau khoom. Kev ntim khoom ua tau raws li cov qauv xa khoom thoob ntiaj teb rau kev xa khoom hiav txwv los ntawm cov chaw nres nkoj Suav teb mus rau cov chaw mus ncig thoob ntiaj teb, nrog rau fumigated ntoo crates ua raws li ISPM 15 phytosanitary cov cai.

6. Kev Kuaj Mob Hnav thiab Cov Qauv Hloov

6.1 Cov Cim Qhia Txog Kev Hnav Khaub Ncaws Tseem Ceeb

Rau cov haujlwm mining uas tswj cov pawg ntawm Hitachi EX300-1/2/3 excavators, kev txheeb xyuas thaum ntxov ntawm kev hnav sprocket yog qhov tseem ceeb kom tiv thaiv kev puas tsuaj thib ob rau cov saw hlau thiab cov khoom tsav kawg. Cov cim qhia kev hnav hauv qab no yuav tsum tau saib xyuas:

Kev Txo Qhov Hnyav Ntawm Cov Hniav: Cov hniav uas hnav tsawg dua 70% ntawm qhov tuab qub qhia tias yuav tsum tau hloov tam sim ntawd. Ntsuas tau los ntawm kev siv cov caliper uas tau calibrated lossis cov ntsuas hniav uas tau tshwj xeeb.

Kev Tsim Tus Ntiv Tes: Thaum lub ntsej muag tsav tsheb ntawm cov hniav sprocket tsim ib qho yam ntxwv "ntiv tes" lossis cov duab hauv qab, qhov no qhia tau tias kev hnav ntau dhau qhov txwv tsis pub dhau. Kev tsim tus ntiv tes txo qis kev tsav tsheb thiab ua kom cov saw hlau hnav sai dua.

Cov Cheeb Tsam Hauv Paus Tawg: Yuav tsum tau kuaj xyuas cov hauv paus hniav kom pom tseeb tas li. Cov kab tawg hauv thaj tsam hauv paus qhia txog kev qaug zog ntawm kev ntxhov siab thiab tuaj yeem ua rau cov hniav puas tsuaj loj heev yog tias tsis kho sai.

Qhov Ntev ntawm Lub Qhov Rooj: Qhov ntev lossis qhov deformation ntawm qhov rooj ntsia hlau qhia tau hais tias lub sprocket tau ua haujlwm nrog cov ntsia hlau xoob lossis tias lub zog torque ntau dhau tau siv. Qhov xwm txheej no ua rau lub sprocket tsis ruaj ntseg mounting rau lub hub tsav kawg.

Cov Hniav Tsis Sib Xws: Yog tias qee cov hniav qhia tias hnav ntau dua li lwm cov, qhov no yuav qhia tau tias tsis sib xws ntawm lub sprocket thiab txoj saw hlau lossis teeb meem nrog qhov kawg ntawm lub zog tsav.

6.2 Kev Npaj Hloov Lub Sijhawm

Ib lub sprocket uas tau saib xyuas zoo ncaj qha txo cov nqi ua haujlwm mus sij hawm ntev. Thaum hloov cov saw hlau, ib txwm tshuaj xyuas thiab yuav hloov cov sprockets rau qhov hnav sib npaug. Lub laj thawj kev lag luam yog qhov yooj yim: kev teeb tsa cov saw hlau tshiab rau ntawm lub sprocket uas hnav lawm yuav ua rau cov saw hlau tshiab hnav sai dua, ua rau lub neej ntawm lub cev txo qis. Ntawm qhov tod tes, kev teeb tsa lub sprocket tshiab rau ntawm cov saw hlau uas hnav lawm yuav ua rau cov hniav hnav sai dua thiab ua rau sprocket tsis ua haujlwm ua ntej.

Rau kev ua haujlwm tsuas, txoj kev hloov pauv uas pom zoo yog hloov lub sprocket thiab txoj saw hlau ua ib qho sib phim thaum twg ib qho khoom siv mus txog qhov kawg ntawm nws lub neej kev pabcuam.

7. Cov Kev Xyaum Zoo Tshaj Plaws rau Kev Teeb Tsa

7.1 Kev Npaj Ua Ntej Kev Teeb Tsa

Kev teeb tsa lub sprocket tsav kom raug rau ntawm Hitachi EX300-1/2/3 excavator yog qhov tseem ceeb rau kev ua tiav lub neej kev pabcuam xav tau. Cov txheej txheem hauv qab no yuav tsum tau ua raws li:

1. Kev Npaj Qhov Chaw: Nres lub tshuab rau ntawm thaj av tiaj tiaj. Siv lub nres tsheb. Thaiv txoj kev kom ruaj khov kom tiv thaiv kev txav mus los uas tsis xav tau. Tso lub zog ntawm txoj kev tawm ntawm lub tog raj roj kom tshem tau cov saw hlau yog tias tsim nyog.
2. Kev Tshuaj Xyuas Cheebtsam: Ua ntej kev teeb tsa, tshuaj xyuas qhov kawg ntawm lub hub tso zis rau qhov puas tsuaj, xeb, lossis puas tsuaj. Ntxuav qhov chaw ntawm lub hub kom huv si, tshem tawm tag nrho cov khib nyiab, cov khoom siv gasket qub, thiab xeb.
3. Kev Tshuaj Xyuas Khoom Siv Kho Vajtse: Tshuaj xyuas tag nrho cov ntsia hlau rau kev puas tsuaj lossis ncab ntawm cov xov. Rau cov ntawv thov hauv kev khawb av, siv cov ntsia hlau tshiab thiab cov washers ntawm qib 10.9 lossis siab dua.

7.2 Cov Lus Qhia Txog Lub Torque

Rau EX300-chav kawm tsav sprockets, cov lus qhia torque hauv qab no siv tau:

• Qib Bolt: 10.9 lossis siab dua
• Qhov Loj ntawm Bolt: Feem ntau M20-M24 nyob ntawm qhov kev teeb tsa kawg ntawm lub tshuab tsav
• Tus nqi zog: 1,000–1,100 Nm (738–811 lb-ft)
• Tus Qauv Torque: Tus qauv staggered (criss-cross) siv rau hauv peb theem nce qib

Siv cov tshuaj tiv thaiv kev sib tsoo zoo (xws li Komatsu P/N 20Y-63-12200 lossis sib npaug) rau cov xov ntsia hlau ua ntej kev teeb tsa kom tiv thaiv kev tawg thiab xyuas kom meej tias cov ntawv nyeem torque raug. Torque bolts hauv cov qauv staggered rau tus nqi teev tseg siv lub wrench torque calibrated.

7.3 Kev Txheeb Xyuas Tom Qab Kev Teeb Tsa

Tom qab kev teeb tsa tiav lawm, ua cov kauj ruam nram qab no los xyuas kom meej:

1. Kev Kho Qhov Nruj Ntawm Txoj Kev: Rov kho qhov nro ntawm txoj kev kom raug raws li Hitachi EX300 cov lus qhia (feem ntau ntsuas raws li qhov sag ntawm txoj kev pem hauv ntej thiab thawj txoj kev dov).
2. Kev Tshawb Xyuas Kev Tig: Maj mam tig lub saw hlau kom tsawg kawg yog ib zaug tig tag nrho thaum mloog cov suab nrov txawv txawv thiab saib kev sib koom tes ntawm cov hniav rau bushing.
3. Rov Ua Dua Lub Torque Ntawm Lub Bolt: Tom qab 2-4 teev ntawm kev ua haujlwm, rov ua dua lub torque ntawm lub sprocket mounting bolts mus rau qhov nqi teev tseg kom suav nrog qhov pib zaum thiab kev nthuav dav thermal.

8. Cov Kev Siv Lag Luam Hauv Cheeb Tsam: Kev Tsim Kho Uas Tsom Mus Rau Kev Khawb Av

8.1 South America: Brazilian Iron Ore, Chilean Copper, thiab Peruvian Polymetallic Operations

Kev lag luam khawb av hauv South America muaj kev xav tau tshwj xeeb rau cov khoom siv hauv qab, nrog rau kev ua haujlwm tsom mus rau Brazilian iron ore mines, Chilean copper mines, thiab Peruvian polymetallic operations. Kev lag luam tshuab hnyav hauv cheeb tsam no yog tus cwj pwm los ntawm kev xav tau siab rau cov excavators hauv chav kawm 28–30 tuj, nrog rau Hitachi EX300 series cov khoom siv dav dav thoob plaws kev khawb av, kev khawb av, thiab cov haujlwm tseem ceeb. Hauv Brazil, Vale's Carajás iron ore mine thiab lwm yam kev ua haujlwm loj siv EX300-class excavators rau kev tshem tawm overburden thiab kev tuav cov khoom siv. Chile's copper mining industry, lub ntiaj teb loj tshaj plaws, vam khom cov excavators hnyav rau kev ua haujlwm qhib-qhov hauv thaj av Atacama Desert. Peru's Antamina thiab Cerro Verde mines sawv cev rau thaj chaw xa khoom loj ntxiv rau Hitachi cov khoom siv.

Rau cov neeg siv khoom hauv South America uas siv cov khoom siv khawb av, CQC TRACK's Hitachi cross-reference sprockets muaj txiaj ntsig zoo: zoo ib yam li OEM ntawm tus nqi sib tw, nrog rau lub peev xwm los muab cov khoom ntau los ntawm cov channel xa khoom tawm uas tau tsim tsa. Lub tuam txhab qhov chaw nyob hauv Quanzhou—ib lub chaw ua lag luam tseem ceeb rau kev tsim cov tshuab hnyav nrog rau qhov ze rau cov chaw nres nkoj thoob ntiaj teb loj—ua rau muaj kev xa khoom zoo mus rau Latin America cov chaw suav nrog Brazil (Santos, Rio de Janeiro chaw nres nkoj), Chile (Valparaíso, San Antonio chaw nres nkoj), Peru (Callao chaw nres nkoj), Colombia, thiab Mexico.

8.2 Australia: Queensland Coal, Pilbara Iron Ore, thiab Goldfields Operations

Kev lag luam khawb av hauv tebchaws Australia xav tau cov khoom siv tom qab ua lag luam uas ua tau raws li lossis tshaj cov qauv kev ua tau zoo ntawm OEM, nrog rau kev muaj khoom siv tas mus li thiab kev lees paub raws li tus qauv kev lag luam. Cov neeg ua haujlwm hauv tebchaws Australia nrhiav cov khoom siv uas haum rau lub hom phiaj, zoo ib yam li OEM lossis siab dua, nrog cov saw hlau txhim khu kev qha thiab cov ntawv pov thawj zoo. Thaj av Pilbara ntawm Western Australia—lub tsev rau kev ua haujlwm khawb hlau loj tshaj plaws hauv ntiaj teb—yog thaj chaw tseem ceeb rau Hitachi EX300-class excavators. Queensland's Bowen Basin coal mines, Hunter Valley hauv New South Wales, thiab Western Australian goldfields kuj siv EX300 series excavators rau kev tshem tawm cov khoom siv ntau dhau, kev rho tawm thee, thiab kev tuav cov hlau.

Cov txheej txheem tsim khoom ntawm CQC TRACK ua raws li cov kev cai no los ntawm daim ntawv pov thawj ISO 9001: 2015, cov txheej txheem kuaj xyuas tag nrho, thiab kev taug qab tag nrho cov khoom. Rau cov neeg siv khoom Australian uas siv Hitachi EX300-1, EX300-2, thiab EX300-3 excavators hauv cov hlau ore, thee, kub, thiab cov hlau hauv paus, cov sprockets no muab kev ua tau zoo hauv cov xwm txheej muaj kev cuam tshuam siab, kev sib txhuam siab ntawm cov chaw khawb av hauv Australian. Cov sprockets kho cua sov ua kom cov hniav zoo ntev dua, ua kom ntseeg tau tias muaj kev sib koom tes zoo nrog cov saw hlau, txo cov saw hlau hnav thiab tiv thaiv kev ua tsis tiav ua ntej hauv Australia cov av uas muaj kev sib txhuam heev.

8.3 Tebchaws Europe: Kev Tshawb Fawb Txog Qhov Av German, Kev Tsim Kho Vaj Tse Fab Kis, thiab Kev Tshawb Fawb Txog Qhov Av Scandinavian

Kev ua lag luam hauv Tebchaws Europe xav kom cov khoom siv hauv qab tsheb thauj khoom ua raws li cov lus qhia ntawm EU thiab cov qauv kev nyab xeeb. EN 474-12: 2006 / A1: 2008 siv rau cov cable excavators thiab lawv cov kab ke hauv qab tsheb thauj khoom, tsim kom muaj kev noj qab haus huv thiab kev nyab xeeb tseem ceeb uas CE cim lees paub. Lub teb chaws Yelemees kev lag luam quarrying, tshwj xeeb tshaj yog nyob rau hauv Rhineland thiab Bavarian cheeb tsam, siv EX300-chav kawm excavators rau limestone, basalt, thiab lwm yam aggregate extraction. Fabkis txoj kev tsim kho vaj tse thiab Scandinavian mining kev lag luam (LKAB's Kiruna iron ore mine hauv Sweden, Pyhäsalmi mine hauv Finland) sawv cev rau lwm thaj chaw thov loj.

CQC TRACK khaws cov ntaub ntawv pov thawj thiab cov ntaub ntawv zoo uas txhawb nqa cov lus tshaj tawm ua raws li CE rau cov neeg siv khoom European. Rau cov neeg faib khoom seem, cov neeg muag khoom siv, thiab cov chaw pabcuam mining thoob plaws lub tebchaws Yelemees, Fabkis, Scandinavia, thiab Eastern Europe, lub tuam txhab muab cov pob khoom cov ntaub ntawv pov thawj suav nrog cov lus qhia txog qhov ntev, cov ntawv pov thawj khoom siv, thiab cov ntaub ntawv kho cua sov. Cov menyuam yaus thiab cov sprockets niaj hnub no feem ntau suav nrog cov txheej txheem sealing siab heev thiab cov txheej tiv thaiv kev hnav, tiv thaiv cov av, dej, thiab kev cuam tshuam hauv cov xwm txheej ua haujlwm European.

8.4 Lavxias teb sab thiab Central Asia: Kev Tshawb Fawb Hauv Siberian, Kazakhstanean Tooj Liab, thiab Kev Ua Haujlwm Mongolian

Tom qab kev hloov pauv ntawm cov saw hlau thoob ntiaj teb, cov neeg ua haujlwm khawb av hauv Lavxias thiab Central Asian tau nrhiav cov khoom siv hnyav los ntawm cov chaw tsim khoom hauv Suav teb. Cov ntaub ntawv tsis ntev los no qhia tias yuav luag 70% ntawm cov tuam txhab Lavxias tau xaiv cov kev xaiv tsim khoom hauv Suav teb rau kev hloov cov khoom siv sab hnub poob, nrog rau Kazakhstan sawv cev rau kev lag luam loj hlob rau kev xa khoom siv khawb av hauv Suav teb. Kev lag luam khawb av loj hauv Lavxias - suav nrog Norilsk Nickel cov haujlwm hauv Siberia, Kuzbass thee basin, thiab ntau yam kev ua haujlwm khawb kub hauv Lavxias Far East - siv cov tshuab khawb av EX300-chav kawm rau cov ntawv thov hnyav. Kazakhstan cov haujlwm khawb tooj liab (Kazakhmys, KAZ Minerals) thiab Oyu Tolgoi tooj liab-kub hauv Mongolia sawv cev rau thaj chaw xa khoom loj ntxiv.

Rau cov neeg siv khoom hauv tebchaws Russia, Kazakhstan, Uzbekistan, thiab Mongolia, CQC TRACK muab kev xa khoom zoo los ntawm cov chaw xa khoom tawm uas tau tsim tsa, nrog rau cov ntim khoom uas haum rau kev thauj mus los ntawm tsheb ciav hlau thiab av hla Central Asian txoj kev. Lub peev xwm tsim khoom ntawm lub tuam txhab txhawb nqa cov xaj ntau rau cov haujlwm mining uas xav tau cov sijhawm hloov pauv tsis tu ncua. Cov khoom siv zoo tom qab kev lag luam - xws li sprockets, txoj kev sib txuas, rollers, thiab idlers - muab kev ruaj khov thiab kev ntseeg siab thaum feem ntau raug nqi tsawg dua li OEM counterparts, ua rau kev saib xyuas cov tsheb thauj khoom kwv yees tau yooj yim dua thiab tswj tau nyiaj txiag.

8.5 Txoj Kev Npaj Txog Kev Sib Txuas Lus Hauv Chaw Pabcuam

Lub hom phiaj tseem ceeb ntawm CQC TRACK yog los tsim, ncaj qha lossis los ntawm cov neeg faib khoom uas tau tso cai, ib lub network zoo ntawm Cov Chaw Pabcuam Mining hauv cov chaw tseem ceeb thoob ntiaj teb uas muab kev pabcuam txij nkawm tshwj xeeb. Cov chaw pabcuam no ntiav cov kws tshaj lij uas tau kawm tiav nrog kev txawj ntse thiab cov cuab yeej zoo, txhawb nqa los ntawm qhov muaj cov khoom seem zoo tshaj plaws kom cov tshuab ua haujlwm tau sai thiab ntseeg tau.

9. Cov Kev Xav Txog Kev Yuav Khoom Rau Cov Kws Tshaj Lij Yuav Khoom

9.1 Kev Txheeb Xyuas Qhov Sib Piv

Ua ntej yuav cov khoom siv hauv qab tsheb tom qab kev lag luam, cov kws tshaj lij kev yuav khoom yuav tsum xyuas kom meej tias siv tus lej serial ntawm lub tshuab thiab tus lej OEM tshwj xeeb. Cov chaw tsim khoom tom qab kev lag luam feem ntau muab cov lus qhia sib txuas uas tso cai rau kev sib phim ncaj qha ntawm lawv cov khoom rau OEM tus lej. Cov lej khoom sau tseg hauv qhov kev tshuaj xyuas no - 1022168, 71471228, thiab AT202586 - ua haujlwm ua cov ntaub ntawv OEM tseem ceeb rau kev txiav txim ncaj qha. Cov lej khoom seem qub tsuas yog rau kev sib piv xwb.

9.2 Cov Kev Cai rau Kev Sau Ntawv Zoo

Thaum nrhiav cov sprockets rau cov ntawv thov mining, thov cov ntaub ntawv zoo ntawm tus neeg muag khoom suav nrog:

• Daim ntawv pov thawj ISO 9001: 2015
• Cov ntawv qhia txog kev tshuaj xyuas qhov ntev
• Daim ntawv pov thawj xeem metallurgical (kev txheeb xyuas qib khoom siv)
• Cov ntaub ntawv kho cua sov (cov qauv tawv thiab qhov tob ntawm rooj plaub)
• Daim ntawv pov thawj kuaj zeb rau cov khoom siv raw
• Daim ntawv pov thawj qib ntsia hlau (qhov twg muaj khoom siv kho vajtse)

Cov chaw tsim khoom muaj koob npe nrov tswj tau tag nrho cov kev taug qab los ntawm cov khoom siv raw mus rau qhov sib dhos tiav, ua kom muaj kev txheeb xyuas qib khoom siv, cov txheej txheem kho cua sov, thiab kev ua raws li qhov ntev. Rau cov khoom siv hlau xws li sprockets, qhov sib txawv zoo ntawm OEM thiab aftermarket feem ntau yog hais txog qib khoom siv thiab kev kho cua sov. Cov no tuaj yeem ntsuas thiab txheeb xyuas nrog kev sim tawv thiab kev tshuaj xyuas hlau.

9.3 Cov Khoom Siv thiab Lub Sijhawm Ua Haujlwm

Rau cov haujlwm khawb av uas xav tau cov sijhawm hloov pauv tsis tu ncua, kev muaj khoom siv tas li yog qhov tseem ceeb heev. CQC TRACK tswj cov khoom tiav lawm rau cov lej khoom siv uas xav tau ntau xws li 1022168, 71471228, thiab AT202586 sprocket assemblies, nrog rau lub sijhawm ua khoom siv ntawm 7–30 hnub nyob ntawm qhov ntau thiab qhov chaw mus. Qhov tsawg kawg nkaus ntawm qhov kev txiav txim yog sib tham tau, nrog rau cov qauv ntau rau kev kuaj xyuas kev tsim nyog. Lub tuam txhab lub peev xwm muab khoom yog qhov tseem ceeb, nrog rau lub peev xwm txog li 10,000 daim ib hlis rau kev tsim sprocket.

9.4 Kev Txhim Kho Tus Nqi Los Ntawm Kev Yuav Khoom Tom Qab Kev Lag Luam

Cov khoom hauv qab ntawm lub tsheb thauj khoom tuaj yeem suav txog li 50% ntawm cov nqi khiav lag luam ntawm lub tshuab thaum lub sijhawm ua haujlwm. Rau cov haujlwm mining uas tswj cov pawg loj ntawm Hitachi excavators, kev nrhiav OEM-equivalent aftermarket sprockets los ntawm cov chaw tsim khoom tshwj xeeb xws li CQC TRACK muab kev txuag nyiaj ntau yam tsis muaj kev cuam tshuam rau qhov zoo lossis kev ntseeg siab. Lub tuam txhab kev tsim khoom ntsug- suav nrog kev forging, kev kho cua sov, CNC machining, thiab kev sib dhos-tshem tawm ntau yam khoom xa tuaj, ua rau muaj kev sib tw rau cov neeg yuav khoom ntau.

Qhov kev hloov pauv no yog tsav los ntawm ntau yam. Ua ntej, cov nqi tshuab nce siab thiab kev nyuaj siab ntawm cov peev nyiaj tau ua rau cov khoom siv tom qab kev lag luam yog kev nqis peev ntse. Cov neeg cog lus thiab cov thawj coj ntawm cov tsheb thauj khoom tab tom nrhiav kev daws teeb meem uas txo cov nuj nqis yam tsis muaj kev cuam tshuam rau kev ua tau zoo. Kev ruaj khov thiab kev ua tau zoo tau zoo dua qub hauv kev lag luam tom qab kev lag luam. Cov chaw tsim khoom tam sim no siv cov txheej txheem forging siab heev, CNC machining, thiab cov txheej txheem kho cua sov los tsim cov khoom uas phim OEM cov lus qhia. Cov hlau txhawb nqa, cov khoom siv hauv av raug, thiab cov foob ntau txheej ua kom muaj kev pabcuam ntev thiab kev ua haujlwm txhim khu kev qha hauv qab qhov xwm txheej hnyav.

10. Cov Lus Nug Feem Ntau Rau Kev Ua Haujlwm Mining

Q1: Qhov txawv ntawm lub sprocket tsav thiab lub sprocket ntu / rim yog dab tsi?

Lub sprocket tsav yog lub log sib dhos ua ke uas txuas rau lub hub tsav kawg. Lub ntug sprocket lossis ntu yog hais txog lub nplhaib sab nraud uas koom nrog txoj saw hlau. Rau EX300-1 / 2/3 excavators, lub sprocket feem ntau yog ib daim tsim es tsis yog segmented.

Q2: Kuv yuav ua li cas thiaj paub tseeb tias tus lej sprocket twg uas kuv lub Hitachi EX300 excavator xav tau?

Xyuas kom tseeb siv tus lej serial ntawm lub tshuab thiab tus lej OEM tshwj xeeb los ntawm phau ntawv qhia txog qhov chaw. Peb tus lej qhov chaw uas tau hais hauv qhov kev tshuaj xyuas no—1022168, 71471228, thiab AT202586—npog cov qauv EX300-1, EX300-2, thiab EX300-3. Nco ntsoov tias EX300-5 siv ntau qhov ntev sib txawv thiab yuav tsum tsis txhob pauv.

Q3: Cov ntaub ntawv twg siv rau hauv CQC TRACK sprockets rau EX300 excavators?

CQC TRACK siv cov hlau ZG40Mn zoo tshaj plaws, 20CrMnTi alloy steel, thiab rau cov ntawv thov qib siab, forged 42CrMo alloy steel, induction-hardened rau HRC 52–58 nrog lub qhov tob ntawm 8–12 hli rau kev tiv thaiv kev hnav zoo tshaj plaws.

Q4: Cov sprockets no puas yog cov hloov pauv ncaj qha rau Hitachi OEM qhov chaw?

Yog lawm, txhua lub sprockets uas CQC TRACK tsim yog cov khoom hloov pauv OEM ncaj qha, tsim los rau Hitachi cov lus qhia txog kev tsim kho thawj zaug rau qhov tseeb ntawm qhov ntev thiab cov khoom siv kho tshuab.

Q5: CQC TRACK muaj daim ntawv pov thawj zoo li cas?

CQC TRACK ua haujlwm raws li ISO 9001: 2015 cov txheej txheem tswj xyuas zoo uas muaj kev taug qab tag nrho cov khoom los ntawm cov khoom siv raw mus txog rau kev sib dhos tiav.

Q6: Lub neej ua haujlwm ib txwm ntawm lub sprocket hauv cov ntawv thov mining yog dab tsi?

Lub neej ua haujlwm ntawm sprocket hauv kev siv mining feem ntau yog txij li 10,000 txog 15,000 teev ua haujlwm, nyob ntawm seb muaj av zoo li cas, kev coj ua ntawm tus neeg teb xov tooj, thiab cov sijhawm txij nkawm.

Q7: Thaum twg kuv yuav tsum hloov kuv lub excavator lub drive sprocket?

Hloov lub sprocket thaum cov hniav hnav tsawg dua 70% ntawm qhov tuab qub, thaum pom "nuv" ntawm cov hniav profiles, lossis thaum muaj kab nrib pleb hauv cov hauv paus hniav.

Q8: Kuv puas yuav tsum hloov lub sprocket thaum kuv hloov cov saw hlau?

Yog. Thaum hloov cov saw hlau, ib txwm tshuaj xyuas thiab hloov cov sprocket kom paub tseeb tias puas sib npaug. Kev teeb tsa cov saw hlau tshiab rau ntawm lub sprocket uas puas lawm yuav ua rau cov saw hlau puas sai sai.

Q9: Lub sijhawm ua khoom rau cov xaj ntim ntawm EX300 sprockets yog dab tsi?

Lub sijhawm ua khoom rau cov xaj ntau ntawm Hitachi EX300 sprockets feem ntau yog txij li 7–30 hnub nyob ntawm qhov ntim xaj thiab qhov chaw mus, nrog rau kev muab khoom txog li 10,000 daim ib hlis.

Q10: Yuav tsum siv lub zog torque twg rau sprocket mounting bolts?

Rau EX300-chav kawm tsav sprockets, mounting bolts (feem ntau qib 10.9) yuav tsum tau torqued rau 1,000–1,100 Nm (738–811 lb-ft) hauv ib qho staggered, peb-theem qauv siv lub calibrated torque wrench.

11. Xaus Lus

Peb lub Hitachi OEM cross-reference drive sprocket assemblies uas tau sau tseg hauv qhov kev tshuaj xyuas no—1022168, 71471228, thiab AT202586—sawv cev rau cov khoom siv xa hluav taws xob tseem ceeb rau EX300-1, EX300-2, thiab EX300-3 series hydraulic crawler excavators uas tau xa mus rau hauv kev khawb av, kev khawb av, thiab kev ua haujlwm hnyav thoob ntiaj teb. Raws li qhov tseem ceeb tshaj plaws hauv lub kaw lus hauv qab, lub sprocket hloov lub cev muaj zog kawg lub zog tig mus rau hauv lub zog rub uas thawb lub tshuab, ua rau nws txoj kev ua haujlwm engineering yog qhov tseem ceeb rau kev txav mus los ntawm lub tshuab thiab kev ua haujlwm tsim khoom.

CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) tsim cov sprockets no kom ua tau raws li lossis tshaj OEM cov lus qhia los ntawm kev ua kom kub-tuag precision forging, precision CNC machining, computer-controlled induction heat treatment, thiab cov txheej txheem kev ruaj ntseg zoo. Lub tuam txhab ISO 9001: 2015 cov txheej txheem tsim khoom tau ntawv pov thawj, cov txheej txheem kev sim ua tiav, thiab txoj haujlwm zoo ua ib qho ntawm peb lub tuam txhab tsim khoom hauv qab hauv Quanzhou lub tuam txhab kev lag luam tshuab hnyav ua rau muaj kev xa khoom tas mus li rau cov lag luam mining thoob ntiaj teb.

Rau cov neeg ua haujlwm khawb av, cov neeg muag khoom siv, thiab cov neeg faib khoom seem thoob plaws South America (Brazil, Chile, Peru), Australia (Pilbara, Queensland, New South Wales), Tebchaws Europe (Lub Tebchaws Yelemees, Fabkis, Scandinavia), thiab Russia/Central Asia (Siberia, Kazakhstan, Mongolia), cov sprockets no muab kev xaiv txhim khu kev qha, pheej yig rau OEM qhov chaw yam tsis muaj kev cuam tshuam rau cov khoom siv zoo, kev tsim khoom raug, lossis lub neej kev pabcuam.

Cov kws tshaj lij kev yuav khoom raug txhawb kom txheeb xyuas qhov sib xws siv cov lej OEM uas tau muab, thov cov ntaub ntawv zoo suav nrog cov ntawv pov thawj khoom siv thiab cov ntawv qhia kev tshuaj xyuas qhov ntev, thiab tsim kom muaj kev sib raug zoo nrog cov chaw tsim khoom tshwj xeeb los txhim kho tag nrho cov nqi ntawm kev muaj rau Hitachi EX300-1/2/3 crawler excavator undercarriages. Rau cov thawj coj ntawm pawg neeg thiab cov thawj saib xyuas kev saib xyuas, kev siv cov kev tshuaj xyuas sprocket thiab cov sijhawm hloov pauv - suav nrog kev ntsuas kev hnav hniav tsis tu ncua, kev txheeb xyuas lub zog bolt, thiab kev sib koom tes hloov sprocket-thiab-saw - sawv cev rau txoj hauv kev zoo tshaj plaws rau kev ua kom lub neej ntawm lub cev undercarriage ntev tshaj plaws thiab txo qis lub sijhawm tsis tau npaj tseg.

Tsab ntawv tshaj tawm txog kev siv tshuab no yog rau cov kws tshaj lij engineering thiab kev yuav khoom hauv kev lag luam mining thiab kev tsim kho hnyav. Txhua yam kev qhia tshwj xeeb yuav tsum tau kuaj xyuas nrog cov ntaub ntawv OEM tam sim no. Yog xav paub txog tus nqi tam sim no, lub sijhawm ua haujlwm, thiab kev txhawb nqa kev siv tshuab, hu rau CQC TRACK ncaj qha.