Doosan Excavator 20010400012A 20010400021 22701098 DX225 DX200 DX260 TRACK ROLLER / Track Bottom Roller Assembly / Tsim los ntawm CQC TRACK
Kev daws teeb meem hauv qab tsheb thauj khoom rau Doosan Excavators: Kev Tshawb Fawb Txog Kev Tshawb Fawb Txog Kev Sib Dhos Hauv Qab (Cov lej seem)20010400012A, 20010400021, 22701098) thiab Kev Ua Zoo Tshaj Plaws ntawmCQC TRACK
Tus Sau: Jack
Hnub Tim: Plaub Hlis 2, 2026
1. Kev Txheeb Xyuas Txog Kev Siv Tshuab: Lub Luag Haujlwm Tseem Ceeb ntawm Cov Khoom Siv Hauv Qab Hauv Doosan Excavators
Lub log tsheb hauv qab—tseem hu ua lub log tsheb qis dua lossis lub log tsheb—yog ib qho ntawm cov khoom siv thauj khoom hnyav tshaj plaws hauv txhua lub tshuab khawb av hauv qab. Muab tso rau ntawm txoj saw hlau thiab lub thav duab ntawm txoj kev, txhua lub log tsheb hauv qab dais ib feem ntawm tag nrho qhov hnyav ua haujlwm ntawm lub tshuab, faib cov kev sib cuag hauv av sib npaug thoob plaws ntawm txoj kev, thiab coj txoj saw hlau raws nws txoj kev teev tseg. Rau cov neeg ua haujlwm ntawm Doosan DX200, DX225, thiab DX260 excavators—20–26 tuj tshuab chav kawm dav dav hauv kev khawb av, kev khawb av, kev tsim kho hnyav, thiab kev tsim kho vaj tse—kev ntseeg tau ntawm lub log tsheb hauv qab sib dhos ncaj qha txiav txim siab lub sijhawm ua haujlwm ntawm lub tshuab, kev nyab xeeb ua haujlwm, thiab tag nrho tus nqi ntawm kev muaj.
Tsab ntawv no muab kev tshuaj xyuas txog peb tus lej ntawm Doosan OEM—20010400012A,20010400021, thiab 22701098—uas sawv cev rau cov khoom sib dhos tseem ceeb hauv qab rau DX200, DX225, thiab DX260 platforms. Kev tsom mus rau CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.), lub chaw tsim khoom sib xyaw ua ke nrog ntau tshaj ob xyoo caum ntawm kev tshwj xeeb hauv cov khoom siv hauv qab hnyav, thiab vim li cas nws txoj haujlwm ua lub chaw tsim khoom tseem ceeb rau cov kws tshaj lij thoob ntiaj teb uas tab tom nrhiav cov khoom siv chassis OEM zoo ntawm cov nqi sib tw.
2. Kev Txheeb Xyuas Tus lej ntawm qhov chaw thiab Kev Sib Xws ntawm Lub Tshuab
2.1 Cov lej tseem ceeb thiab lawv cov ntawv thov
Kev nkag siab txog kev sib raug zoo ntawm Doosan cov lej OEM thiab lawv cov ntawv thov tshuab sib xws yog qhov tseem ceeb rau kev nrhiav qhov tseeb. Hauv qab no yog cov ntaub ntawv sib xws raws li cov ntaub ntawv xa khoom thiab cov ntaub ntawv teev khoom seem:
| Tus lej khoom | Cov Qauv Sib Xws | Hom Cheebtsam | Cov Lus Cim Thov |
|---|---|---|---|
| 20010400012A | Doosan DX225, DX220 | Taug qab hauv qab Roller (Qis Roller) | Lub log qis dua rau chav kawm 20-22 tuj |
| 20010400021 | Doosan DX220, DX225LC | Taug qab hauv qab Roller (Qis Roller) | Cov khoom siv hnyav; sib piv nrog K1000976A |
| 22701098 | Doosan DX225, DX260 | Kev Sib Dhos Hauv Qab Cov Menyuam | Tau tshaj nrog ntau lub tshuab DX series |
Tus lej ntawm 20010400021 tau sau tseg tias sib pauv tau nrog Doosan K1000976A, tsim tshwj xeeb rau DX220 thiab DX225LC kev teeb tsa. Qhov kev sib txuas lus no muaj txiaj ntsig zoo rau cov kws tshaj lij kev yuav khoom uas tswj hwm cov nkoj sib xyaw.
2.2 Cov Lus Qhia Txog Lub Tshuab Platform
Cov tshuab uas siv rau cov khoom sib dhos hauv qab no ua haujlwm hauv chav kawm 20–26 tuj:
| Qauv | Qhov Hnyav Ua Haujlwm | Dav ntawm Khau Khiav (Tus Qauv) | Tus naj npawb ntawm Cov Rollers Hauv Qab Ib Sab |
|---|---|---|---|
| Doosan DX200 | ~20,000 kg | 600 hli | 8–9 (nyob ntawm tus qauv) |
| Doosan DX225 | ~22,500 kg | 600 hli / 700 hli | 9 (paub tseeb lawm) |
| Doosan DX260 | ~24,800–27,300 kg | 600 hli | 9 |
Lub platform DX225, uas yog 20010400012A thiab 22701098 yog cov khoom tseem ceeb, muaj tag nrho 18 lub log tsheb (9 ib sab) raws li tau sau tseg hauv ntau daim ntawv teev npe.
3. Kev Ua Haujlwm Engineering thiab Kev Tsim Kho Tshuab
3.1 Lub Luag Haujlwm
Lub rooj sib dhos ntawm txoj kev taug qab ua peb txoj haujlwm tseem ceeb:
- Kev Thauj Khoom thiab Kev Faib Qhov Hnyav: Txhua lub log hauv qab txhawb nqa ib feem ntawm qhov hnyav ua haujlwm ntawm lub tshuab khawb av, hloov cov khoom thauj ntsug los ntawm txoj hlua mus rau hauv av. Lub cev hlau forged steel roller thiab kev tsim qauv muaj zog siab yog qhov tseem ceeb rau kev txhawb nqa tag nrho qhov hnyav ntawm lub tshuab thiab nqus cov khoom thauj cuam tshuam uas ntsib thaum lub sijhawm khawb thiab hla thaj chaw tsis sib luag.
- Kev Taw Qhia thiab Kev Sib Tho Txoj Kev: Tus qauv flange ntawm lub roller tswj kev sib dhos ntawm txoj kev kom zoo, tiv thaiv kev txav mus rau sab thiab txo qhov kev pheej hmoo ntawm kev tawm tsam. Lub luag haujlwm taw qhia no txo qhov kev ntxhov siab ntawm cov sprockets thiab idlers thaum txhim kho kev nplij siab ntawm tus neeg teb xov tooj thiab kev ruaj khov ntawm lub tshuab ntawm thaj chaw ntxhib.
- Kev Tiv Thaiv Kev Sib Txhuam thiab Kev Cuam Tshuam: Cov log hauv qab ua haujlwm sib cuag ncaj qha nrog txoj hlua khi, ua rau cov av, pob zeb, thiab cov khib nyiab tsis tu ncua raug kev sib txhuam. Cov tread thiab flange surfaces uas tau kho los ntawm induction yog qhov tseem ceeb rau kev tiv thaiv qhov kev sib txhuam no thiab ua kom lub log thiab txoj kev siv tau ntev.
3.2 Cov Qauv Tsim Kho Vaj Tse
Ib qho kev sib dhos ua tiav ntawm cov menyuam hauv qab muaj cov khoom hauv qab no:
| Cheebtsam | Kev Ua Haujlwm |
|---|---|
| Lub cev menyuam (Plhaub) | Lub cev cylindrical hlau forged; muab qhov chaw dov uas kov cov saw hlau khiav |
| Ncej Rau Cov Menyuam | Lub ncej hlau sib xyaw ua ke muaj zog heev; txhawb nqa lub cev roller thiab mounts rau ntawm tus ncej khiav |
| Bimetal Bushings | Cov bushings precision-machined ntawm tus ncej thiab lub cev roller; ua kom muaj kev sib hloov du thaum muaj kev thauj khoom |
| Cov Roj Sib Nqus Uas Muaj Cov Khoom Siv | Lub kaw lus kaw ob lub conical; tiv thaiv kev ua qias tuaj thiab khaws cov roj nplua nyeem |
| Cov hau kawg | Tiv thaiv cov khoom sab hauv thiab tswj kev sib khi kom nruj |
| Cov ntsia hlau ntsia hlau | Ruaj ntseg lub rooj sib dhos rau ntawm lub thav duab ntawm txoj kev |
Cov txheej txheem tsim khoom zoo tshaj plaws rau cov menyuam khiav ua raws li "welding → ntsug CNC tshuab dhos precision machining" cov kab ke, uas tshem tawm cov kev ua yuam kev concentricity los ntawm kev ua haujlwm tom qab vuam thiab txhim kho qhov tseeb geometric thiab kev ruaj khov ua haujlwm.
4. Cov Lus Qhia Txog Khoom Siv thiab Cov Qauv Kev Kho Mob Kub
4.1 Kev Xaiv Khoom Siv
Cov log tsheb zoo rau Doosan excavators yog tsim los ntawm cov hlau alloy zoo. Cov khoom siv feem ntau yog 40Cr hlau (sib npaug rau AISI 5140), ib qho hlau chromium-alloyed uas paub txog nws qhov kev ua kom tawv, tiv taus kev hnav, thiab lub zog qaug zog. Lwm cov qib suav nrog:
| Cov Khoom Qib | Cov yam ntxwv | Daim Ntawv Thov Ib Txwm Muaj |
|---|---|---|
| 40Cr (AISI 5140) | Muaj zog heev, hnav tsis kam zoo, pheej yig | Kev ua haujlwm ib txwm muaj: kev tsim kho dav dav, kev ua vaj tse |
| 42CrMo (AISI 4140) | Kev ua kom tawv dua (+ 15%), kev tiv taus qaug zog zoo dua | Kev ua haujlwm hnyav: kev khawb av, kev ua haujlwm quarrying |
| 20MnCr5 | Qib siab tshaj (+ 30% hardness), tiv taus kev hnav hnyav heev | Kev ua haujlwm hnyav: kev khawb av tas mus li, kev khawb pob zeb |
4.2 Cov Lus Qhia Txog Kev Kho Mob Kub
Kev ua tau zoo ntawm lub log tsheb khiav hauv qab nyob ntawm nws qhov kev kho cua sov:
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Qhov Nyuaj Ntawm Qhov Chaw (Tread/Flanges) | HRC 48–58 | Tiv thaiv kev hnav abrasive los ntawm kev sib cuag ntawm txoj saw hlau |
| Qhov tob tawv (Case) | 6–12 hli | Qhov tob ntawm lub thawv sib npaug tiv thaiv kev hnav sai |
| Qhov Nyuaj Siab | HRC 28–35 | Tswj kev tawv kom nqus tau cov khoom hnyav |
| Txoj Kev Kho Mob Kub | Kev kho kom tawv tawv | Muab qhov tob, sib npaug ntawm cov ntaub ntawv nrog qhov sib txawv tsawg kawg nkaus |
| Qhov Chaw Tiav (Ra) | ≤ 1.6 μm | Txo kev sib txhuam thiab kev poob zog; ua kom lub neej ntawm lub foob ntev dua |
4.3 Lub Peev Xwm Thauj Khoom thiab Cov Kev Ntsuas Kev Ua Tau Zoo
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb | Qhov chaw |
|---|---|---|
| Rated Load Peev Xwm (qib 40Cr) | 15,000 kg | Cov ntaub ntawv ntawm cov neeg muab khoom uas tau txheeb xyuas lawm |
| Kev Muaj Peev Xwm Thauj Khoom Zoo Dua (42CrMo) | 17,250 kg | Kev xaiv qib siab tshaj |
| Muaj Peev Xwm Ua Haujlwm Loj Hlob (20MnCr5) | 19,500 kg | Kev xaiv qib Pro |
5. CQC TRACK: Ib Lub Chaw Tsim Khoom Tshwj Xeeb ntawm Doosan Undercarriage Components
5.1 Cov Ntaub Ntawv Txog Lub Tuam Txhab thiab Keeb Kwm Kev Tsim Khoom
CQC TRACK, ua haujlwm nyob rau hauv HELI MACHINERY MANUFACTURING CO., LTD., yog ib lub chaw tsim khoom sib koom ua ke nyob hauv Quanzhou, Suav teb—ib cheeb tsam uas paub tias yog lub chaw muab khoom tseem ceeb rau cov khoom siv thauj av thoob ntiaj teb. Nrog ntau tshaj 20 xyoo ntawm kev paub txog kev tsim khoom, HELI tau tsim nws tus kheej ua ib qho ntawm peb lub chaw tsim khoom siv hauv qab tsheb loj tshaj plaws hauv thaj av Quanzhou.
Lub npe lag luam CQC TRACK yog lub cim ntawm peb lub hauv paus tseem ceeb: Cov txheej txheem Crawler, Kev lees paub zoo, thiab Kev cog lus rau kev ruaj khov nyob rau hauv qhov chaw uas muaj kev sib txhuam thiab muaj kev cuam tshuam loj tshaj plaws uas ntsib hauv kev khawb av, kev khawb av, thiab cov haujlwm tseem ceeb hauv kev tsim kho vaj tse.
5.2 Kev Muaj Peev Xwm Tsim Khoom thiab Kev Tswj Xyuas Zoo
Lub zog tsim khoom ntawm CQC TRACK yog nyob ntawm kev sib koom ua ke ntsug thiab cov txheej txheem tswj hwm ua ntu zus:
| Theem Txheej Txheem | Kev Piav Qhia Txog Lub Peev Xwm |
|---|---|
| Kev Xaiv Khoom Siv Raw | Cov hlau hlau zoo tshaj plaws 40Cr, 42CrMo, 52Mn, thiab 55Mn tau los ntawm cov chaw tsim khoom uas tau ntawv pov thawj |
| Kev ntaus nrig | Kev tswj hwm kev sib koom tes forging hauv tsev lossis kev sib koom tes forging ua kom ntseeg tau tias cov nplej ntws zoo tshaj plaws thiab cov khoom siv ntom ntom hauv cov khoom seem. |
| CNC Machining | Cov tshuab CNC niaj hnub, cov chaw milling, thiab cov chaw drilling ua haujlwm machining ntxhib thiab tiav rau ISO 2768-mK dimensional tolerances |
| Kev Kho Mob Kub | Cov cub tawg uas tswj los ntawm lub khoos phis tawj thiab lub tshuab cua sov ua kom tawv thiab ua kom sov tau qhov sib sib zog nqus, sib npaug ntawm cov ntaub ntawv tawv |
| Kev Sib Dhos Ua Ntej | Vuam → ntsug CNC tshuab dhos precision machining sequence tshem tawm cov concentricity yuam kev |
| Kev Tshuaj Xyuas Zoo | Kev tshuaj xyuas cov khoom sib nqus, kev sim cov qauv tawv, kev txheeb xyuas cov tshuaj lom neeg, thiab kev lees paub qhov ntev ntawm CMM |
5.3 Cov Khoom Muag Doosan
CQC TRACK tsim ntau yam khoom siv hauv qab rau Doosan excavators, suav nrog:
- Cov menyuam dov hauv qab (cov menyuam dov qis dua) - Cov khoom sib dhos tiav rau DX200, DX225, DX260, DX300, thiab cov platform loj dua
- Cov khoom sib dhos pem hauv ntej ntawm lub tshuab khiav - Cov lej seem 27000049 thiab 22701084E rau DX300/S300LC/Solar340/DX360LC-7 series
- Cov saw hlau thiab cov txuas
- Sprockets thiab sprocket segments
- Cov menyuam nqa khoom (cov menyuam sab saud)
- Cov khoom siv kho qhov khiav thiab cov khoom sib dhos rov qab
5.4 Qauv Kev Pabcuam OEM thiab ODM
CQC TRACK ua haujlwm ob txoj kev pabcuam uas haum rau ob qho tib si cov khoom hloov pauv thiab cov kev daws teeb meem engineering uas tau hloov kho raws li qhov xav tau:
- Kev Tsim Khoom OEM: Kev tsim cov khoom raws li cov lus qhia ntawm cov neeg siv khoom, cov duab kos, thiab cov qauv zoo. Lub Hoobkas tau nruab nrog kev sib koom ua ke hauv cov saw hlau thoob ntiaj teb, muab kev tsim khoom ntau ntawm cov menyuam, cov idlers, sprockets, thiab cov txuas khiav.
- ODM Engineering: Kev koom tes tsim kho, tsim qauv, thiab lees paub cov kev daws teeb meem hauv qab tsheb uas tau txhim kho lossis kho kom haum rau txhua tus neeg. Pab pawg engineer ua haujlwm daws cov teeb meem tsis ua haujlwm uas feem ntau tshwm sim, muab cov qauv tsim uas tsim nyog rau tus nqi uas txhim kho kev ua tau zoo thiab txo tus nqi tag nrho ntawm kev muaj.
5.5 Kev Pov Hwm Zoo thiab Kev Lav Paub
Cov khoom siv hauv qab ntawm CQC TRACK yog tsim los ntawm ISO 9001-2015 kev tswj hwm zoo. Kev lav phib xaub feem ntau txuas mus rau:
| Qib Cheebtsam | Lub Sijhawm Warranty |
|---|---|
| Qib Txheem (40Cr) | 6 lub hlis |
| Qib Siab (42CrMo) | 12 lub hlis |
| Qib Pro (20MnCr5) | 24 lub hlis |
6. Kev Yuav Khoom Ncaj Qha Los Ntawm Lub Hoobkas: Cov Kev Zoo Sib Tw
6.1 Cov Lus Qhia Txog Tus Nqi ntawm Cov Khoom Siv
Kev nrhiav Doosan txoj kev sib dhos hauv qab cov menyuam sib dhos ncaj qha los ntawm lub Hoobkas thiab chaw tsim khoom xws li CQC TRACK muaj cov txiaj ntsig sib txawv dua li ntau txoj kev faib khoom:
| Kev Muag Khoom Hauv Is Taws Nem | Cov txiaj ntsig | Qhov tsis zoo |
|---|---|---|
| Hoobkas Ncaj Qha (CQC TRACK) | Tus nqi qis dua (tshem tawm cov nqi xa khoom), lub sijhawm ua khoom luv dua, kev txhawb nqa kev siv tshuab ncaj qha, kev tswj xyuas zoo uas taug qab tau | Tej zaum yuav siv tau qhov tsawg kawg nkaus ntawm kev txiav txim |
| Tus Muag Khoom Hauv Cheeb Tsam | Cov khoom muag hauv zos, cov xaj tsawg kawg nkaus | Tus nqi siab dua (ntau qhov markups), kev txhawb nqa kev siv tshuab tsawg |
| Tus Muag Khoom OEM | Cov lus qhia meej meej lav | Tus nqi siab dua (feem ntau yog 40–60% siab dua), lub sijhawm ua khoom ntev rau cov khoom tsis muaj hauv Tshuag |
6.2 Lub Sijhawm Ua Haujlwm thiab Kev Thauj Khoom
Rau Doosan txoj kev sib dhos hauv qab roller, lub sijhawm ua khoom siv ncaj qha los ntawm lub Hoobkas yog:
- Cov khoom muaj nyob hauv Tshuag: 5-10 hnub ua haujlwm (muaj Tshuag)
- Ua raws li kev txiav txim: 20-25 hnub tom qab kev pom zoo cog lus
- Kev xa khoom sai: Muaj rau cov kev xav tau ceev
Kev xa khoom txheem yog FOB los ntawm chaw nres nkoj Xiamen, Suav teb, nrog rau kev xa khoom mus rau qhov rooj muaj los ntawm kev koom tes xa khoom xa tuaj.
7. Kev Teeb Tsa, Kev Txij Nkawm, thiab Kev Txhim Kho Lub Neej Kev Pabcuam
7.1 Kev Txheeb Xyuas Ua Ntej Kev Teeb Tsa
Ua ntej yuav txhim kho lub rooj sib dhos tshiab ntawm txoj kev hauv qab, xyuas kom meej cov kev ntsuas tseem ceeb hauv qab no:
- Kev sib xws ntawm tus qauv mounting — Paub meej tias qhov sib nrug ntawm lub qhov bolt thiab txoj kab uas hla sib xws nrog lub thav duab ntawm txoj kev
- Qhov dav ntawm lub log — Xyuas kom tseeb tias qhov dav ntawm lub log phim qhov sib nrug ntawm txoj hlua khi
- Qhov loj ntawm lub qhov - Paub meej tias qhov sib xws ntawm lub qhov taub
- Cov xwm txheej ntawm txoj saw hlau — Ntsuas qhov ntev ntawm txoj saw hlau; yog tias tshaj 3%, kev hloov txoj saw hlau yuav tsum ua ntej kev teeb tsa lub log
7.2 Cov Txheej Txheem Kev Teeb Tsa
- Txhawb lub tshuab kom ruaj ntseg nrog txoj saw hlau uas tsis muaj kev ntxhov siab
- Tshem tawm cov ntsia hlau uas twb muaj lawm siv cov cuab yeej torque tsim nyog
- Ntxuav qhov chaw ntawm lub bracket thiab xyuas seb puas puas tsuaj
- Tso qhov sib dhos tshiab rau ntawm lub roller thiab ntsia cov bolts mounting
- Torque bolts raws li qhov kev qhia tshwj xeeb (saib phau ntawv qhia txog kev ua haujlwm tshuab kom paub meej cov nqi)
- Rov ua kom cov saw hlau nruj dua rau qhov qis uas tus neeg tsim khoom teev tseg
- Siv lub tshuab ntawm qhov ceev qis thiab tshuaj xyuas seb puas muaj kev sib hloov ntawm lub roller thiab kev sib khi kom zoo.
7.3 Lub Sijhawm Txij Nkawm
| Lub sijhawm luv | Kev Ua Haujlwm |
|---|---|
| Txhua 250 teev ua haujlwm | Kev kuaj xyuas seb puas muaj roj xau, suab nrov tsis zoo, lossis kev co |
| Txhua 500 teev ua haujlwm | Tshawb xyuas seb puas muaj cov bolts xoob; rov tig dua yog tias tsim nyog |
| Txhua 1,000 teev ua haujlwm | Ntsuas qhov tob ntawm kev hnav ntawm cov log tsheb; piv rau cov kev txwv kev hnav |
| Raws li qhov xav tau | Yog pom muaj qhov xau, hloov cov foob pob ntab |
7.4 Hom Kev Ua Tsis Tau Zoo thiab Kev daws teeb meem
| Cov tsos mob | Tej zaum yuav muaj laj thawj | Kev Ua Haujlwm Pom Zoo |
|---|---|---|
| Cov roj xau los ntawm cov foob | Kev ua tsis tiav ntawm lub foob roj ntab lossis kev hnav bushing | Hloov cov foob; xyuas seb lub bushing puas puag ncig |
| Suab nrov heev thaum lub sijhawm ua haujlwm | Kev puas tsuaj ntawm bushing lossis kev coj tus kheej | Tshem tawm thiab tshuaj xyuas; hloov cov khoom siv uas puas lawm |
| Kev hnav tsis sib xws ntawm cov tread | Cov saw hlau tsis sib haum lossis cov sprockets hnav lawm | Tshawb xyuas qhov nruj thiab kev sib dhos ntawm txoj kab; hloov cov saw yog tias ntev dhau lawm |
| Kev qaug dab peg ntawm cov menyuam | Kev nkag mus rau hauv av lossis kev ua tsis tiav ntawm lubrication | Hloov cov menyuam sib dhos |
8. Xaus Lus
Rau cov neeg ua haujlwm ntawm Doosan DX200, DX225, thiab DX260 excavators xa mus rau hauv kev khawb av, kev khawb av, kev tsim kho hnyav, thiab cov haujlwm tsim kho vaj tse, lub rooj sib dhos hauv qab ntawm txoj kev taug kev uas sawv cev los ntawm cov lej ntu 20010400012A, 20010400021, thiab 22701098 yog ib qho tseem ceeb uas nws qhov kev ntseeg tau ncaj qha cuam tshuam rau kev tsim khoom ntawm lub tshuab, kev nyab xeeb, thiab cov nqi khiav lag luam.
CQC TRACK txawv nws tus kheej ua ib lub chaw tsim khoom tshwj xeeb uas muab ob xyoo caum ntawm kev txawj ntse hauv kev lag luam hlau, kev sib koom ua ke ntawm cov txheej txheem forging thiab kev kho cua sov, thiab ob qho kev pabcuam OEM / ODM los xa cov khoom hauv qab uas ua haujlwm tau zoo nyob rau hauv cov xwm txheej nyuaj tshaj plaws. Nrog rau cov khoom siv xaiv xws li tus qauv 40Cr hlau mus rau qib siab 20MnCr5 alloy, kev kho cua sov ua tiav HRC 48–58 qhov nyuaj ntawm qhov chaw nrog 6–12 hli qhov tob, thiab lub peev xwm thauj khoom txog li 19,500 kg ib lub log, CQC TRACK muab cov tswv tsheb thiab cov kws tshaj lij kev yuav khoom nrog cov kev daws teeb meem tsim uas ua tau raws li lossis tshaj OEM cov lus qhia.
Los ntawm kev nrhiav Doosan txoj kev sib dhos hauv qab cov menyuam sib dhos ncaj qha los ntawm lub Hoobkas, kev ua haujlwm hauv kev khawb av thiab kev tsim kho tau txais kev nkag mus rau qhov zoo sib xws, kev txhawb nqa kev siv tshuab ncaj qha, kev sib tw nqi, thiab kev xa khoom pob tshab - cov yam ntxwv uas ua ke ua kom zoo dua tag nrho cov nqi ntawm kev muaj thiab ua kom lub tshuab ua haujlwm tau zoo tshaj plaws hauv ntiaj teb qhov chaw ua haujlwm nyuaj tshaj plaws.
Tus Sau: Jack
Tshwj xeeb hauv cov khoom siv hnyav hauv qab, kev ntseeg tau ntawm cov tshuab khawb av, thiab cov tswv yim nrhiav khoom thoob ntiaj teb rau cov khoom siv hauv kev tsim kho.
Lus Ceeb Toom: Tsab ntawv tshaj tawm no yog cov ntsiab lus thawj uas tsim los rau kev qhia thiab kev siv tshuab. Txhua tus lej khoom, cov npe hom, thiab cov ntaub ntawv los ntawm cov chaw tsim khoom tsuas yog siv rau kev txheeb xyuas thiab kev siv xwb. Ib txwm xyuas kom meej tias koj lub tshuab muaj tus lej serial thiab kev teeb tsa hauv qab ua ntej yuav khoom. Cov txheej txheem teeb tsa uas tau muab los ntawm cov qauv kev lag luam yog muab rau kev siv; saib cov ntaub ntawv khoom siv thawj ua ntej ua kev saib xyuas.
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