Liugong CLG970E CLG975E CLG978E 14C0539 Track Carrier Roller sib dhos / OEM Zoo Spare Part / Hnyav ua haujlwm Tracked Undercarriage Part Chaw tsim khoom / CQC TRACK
Kev Tshawb Fawb Txog Kev Siv Tshuab: Liugong CLG970E CLG975E CLG978E 14C0539 Lub Rooj Sib Dhos Cov Menyuam - OEM Zoo Hnyav Ua Haujlwm Taug Qab Hauv Qab ntawm CQC TRACK
Cov Lus Qhia Tseem Ceeb
Tsab ntawv tshaj tawm txog kev siv tshuab no muab kev tshuaj xyuas tag nrho ntawmLiugong 14C0539 txoj kev thauj khoom roller sib dhos—ib qho khoom siv tseem ceeb hauv qab uas tau tsim los rau CLG970E, CLG975E, thiab CLG978E cov tshuab khawb av hnyav. Cov tshuab 70-80 tuj no sawv cev rau Liugong cov khoom siv tseem ceeb tiam tom ntej (E-series) kev khawb av thiab kev tsim kho hnyav, uas tau siv rau hauv cov ntawv thov uas xav tau ntau tshaj plaws suav nrog kev ua haujlwm khawb av qhib loj, kev tsim kho vaj tse loj, cov haujlwm khawb av loj, thiab kev ua haujlwm thauj av hnyav thoob ntiaj teb.
Lub rooj sib dhos ntawm cov menyuam nqa khoom (lwm lub npe hu ua cov menyuam sab saud, cov menyuam nqa khoom, lossis pawg menyuam sab saud) ua haujlwm tseem ceeb ntawm kev txhawb nqa qhov khiav sab saud ntawm txoj saw hlau ntawm lub idler pem hauv ntej thiab lub sprocket nram qab, tiv thaiv kev poob qis ntawm txoj kev thiab tswj kev koom tes kom zoo nrog lub kaw lus tsav tsheb. Rau cov neeg ua haujlwm ntawm Liugong's 70-80 tuj chav kawm mining excavators, kev nkag siab txog cov ntsiab cai engineering, cov ntaub ntawv qhia txog cov khoom siv, thiab cov ntsuas kev tsim khoom zoo 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 nyob rau hauv cov ntawv thov ua haujlwm hnyav.
Daim kev tshuaj xyuas no tshuaj xyuas Liugong 14C0539 tus neeg nqa khoom los ntawm ntau lub lens kev siv tshuab: kev ua haujlwm ntawm lub cev, cov khoom siv hlau rau cov ntawv thov hauv chav kawm mining, kev tsim khoom siv siab heev, cov txheej txheem kev lees paub zoo, thiab kev txiav txim siab txog kev nrhiav khoom zoo - nrog rau kev tsom mus rauCQC TRACK(HELI MACHINERY MANUFACTURING CO., LTD.) ua tus tsim khoom tshwj xeeb OEM-zoo ntawm cov khoom siv hnyav taug qab hauv qab tsheb thauj khoom raws li hauv Quanzhou, Suav teb, ua haujlwm nrog ntau tshaj 20 xyoo ntawm kev tsim khoom thiab lees paub tias yog ib qho ntawm peb lub chaw tsim khoom sab saum toj hauv thaj av Quanzhou.
1. Kev Txheeb Xyuas Khoom thiab Cov Lus Qhia Txog Kev Siv Tshuab
1.1 Cov Npe Cheebtsam thiab Daim Ntawv Thov
Lub Liugong 14C0539 track carrier roller assembly yog ib qho khoom siv hauv qab uas OEM tau teev tseg tshwj xeeb rau Liugong cov tshuab khawb av E-series tiam tom ntej. Tus lej ntawm qhov khoom 14C0539 sawv cev rau Liugong tus lej cim tshwj xeeb, sib raug rau cov duab kos engineering meej, qhov ntev ntawm qhov ntev, thiab cov lus qhia txog cov khoom siv uas tau tsim los ntawm cov txheej txheem pov thawj nruj ntawm cov khoom siv thawj.
Lub rooj sib dhos ntawm lub log no sib xws nrog cov qauv Liugong hnyav excavator hauv qab no:
| Qauv | Kev Ua Haujlwm Qhov Hnyav Ntau Yam | Lub zog cav | Cov Rollers Nqa Khoom Ib Sab | Chav Kawm Tshuab |
|---|---|---|---|---|
| CLG970E | 68-72 tons | 350-380 kW | 2-3 | Kev khawb av loj / kev tsim kho hnyav |
| CLG975E | 73-77 tons | 380-410 kW | 2-3 | Kev ua haujlwm loj hauv kev khawb av / chaw khawb av |
| CLG978E | 78-82 tons | 410-440 kW | 3 | Kev khawb av loj heev / kev khawb av loj heev |
Cov tshuab no sawv cev rau Liugong cov khoom siv E-series excavator, uas muaj cov thev naus laus zis tshiab nrog kev siv roj zoo dua, cov tshuab hydraulic zoo dua, thiab cov qauv tsim hauv qab kom ntev dua hauv kev khawb av. Lub npe E-series qhia txog kev hloov kho tshiab tseem ceeb dua li cov tiam dhau los, suav nrog kev faib qhov hnyav zoo tshaj plaws thiab kev ua kom ruaj khov ntawm cov khoom siv rau cov ntawv thov thoob ntiaj teb.
1.2 Lub Luag Haujlwm Tseem Ceeb
Lub rooj sib dhos ntawm cov menyuam nqa khoom hauv 70-80 tuj chav kawm mining excavator daim ntawv thov ua peb txoj haujlwm sib txuas tseem ceeb rau kev ua haujlwm ntawm lub tshuab thiab lub neej ntev ntawm lub tsheb thauj khoom:
Kev Txhawb Nqa Cov Hlau Khiav: Qhov chaw sab nraud ntawm lub log tsheb thauj khoom kov qhov khiav sab saud ntawm cov hlau khiav, txhawb nws qhov hnyav ntawm lub log pem hauv ntej thiab lub sprocket tom qab. Rau cov tshuab chav kawm 70-80 tuj nrog cov hlau khiav hnyav 250-350 kg ib 'meter', cov log tsheb thauj khoom yuav tsum txhawb nqa cov khoom thauj khoom zoo li qub (feem ntau yog 1,000-1,800 kg ib lub log) thaum txhawb nqa cov khoom thauj khoom thaum lub sijhawm ua haujlwm ntawm lub tshuab. Qhov kev teeb tsa hauv qab tsheb feem ntau suav nrog 2-3 lub log tsheb thauj khoom ib sab, qhov chaw zoo kom tswj tau qhov kev txhawb nqa zoo tshaj plaws thoob plaws hauv txoj kev khiav.
Kev Taw Qhia Txog Cov Saw: Lub log tsheb tswj cov saw hlau kom sib npaug, tiv thaiv kev hloov pauv sab uas yuav ua rau cov saw hlau kov lub thav duab lossis lwm yam khoom hauv qab. Lub luag haujlwm taw qhia no yog qhov tseem ceeb heev thaum lub sijhawm tig tshuab thiab ua haujlwm ntawm cov toj roob hauv pes txog li 30 ° hauv kev siv khawb av. Cov log tsheb thauj khoom rau cov tshuab loj no muaj cov qauv ruaj khov ob chav flange uas muab kev tuav txoj kev zoo hauv ob qho kev taw qhia, tseem ceeb rau kev ua haujlwm khawb av ntawm thaj av tsis sib xws thiab cov rooj zaum.
Kev Tswj Xyuas Kev Thauj Khoom Thaum Muaj Kev Co: Thaum lub sijhawm mus ncig hla thaj chaw tsis sib luag, lub log tsheb thauj khoom yuav nqus cov khoom thauj uas kis tau los ntawm txoj hlua khi, tiv thaiv lub thav duab thiab lub tshuab tsav kawg ntawm kev puas tsuaj los ntawm kev co. Lub log tsheb muaj ob qho tib si lub zog zoo tshaj plaws thiab cov yam ntxwv tswj kev hloov pauv kom tswj tau cov khoom thauj no yam tsis muaj kev cuam tshuam rau kev ua haujlwm ntawm lub log lossis kev ua haujlwm ntawm lub foob.
1.3 Cov Lus Qhia Txog Kev Siv Tshuab thiab Cov Kev Ntsuas Qhov Ntev
Txawm hais tias Liugong cov duab kos engineering tseeb tseem yog tus kheej, cov qauv kev lag luam rau 70-80 tuj chav kawm excavator carrier rollers feem ntau suav nrog cov kev ntsuas hauv qab no raws li cov qauv tsim khoom tsim thiab CQC TRACK lub peev xwm engineering:
| Cov Qauv | Cov Qauv Tshwj Xeeb | Kev Ua tiav ntawm CQC TRACK | Kev Tsim Kho Tseem Ceeb |
|---|---|---|---|
| Txoj kab uas hla sab nraud | 380-450 hli | ± 0.10 hli kam rau siab | Txheeb xyuas qhov sib cuag ntawm txoj saw hlau thiab kev tiv thaiv dov |
| Txoj kab uas hla ntawm lub ncej | 100-120 hli | Kev kam rau siab h6 (± 0.015-0.025 hli) | Muaj peev xwm txiav thiab khoov tau raws li cov khoom sib xyaw ua ke |
| Dav ntawm cov menyuam | 140-180 hli | ±0.15 hli | Thaj chaw sib cuag nrog txoj kev tsheb ciav hlau |
| Kev Teeb tsa Flange | Tsim ob chav flange | Kev ua tiav-tshuab | Kev khaws cia txoj kab zoo rau kev ua haujlwm ntawm sab nqes hav |
| Qhov Siab ntawm Flange | 26-32 hli | Cov ntaub ntawv tswj tau | Kev ruaj khov ntawm sab nraud thiab kev tiv thaiv kev poob qis |
| Qhov Dav Ntawm Flange | 120-160 hli | ±0.15 hli | Kev ua haujlwm ntawm kev txwv sab nraud |
| Kev Teeb tsa Mounting | Lub zog hnyav shaft mount nrog robust bracket | Kev tsim kho forged | Kev ruaj ntseg txuas rau tus ncej khiav |
| Qhov Hnyav Sib Dhos | 100-180 kg | Tau lees paub lawm | Cov ntsiab lus ntawm cov khoom siv thiab qhov ntsuas kev ruaj khov ntawm cov qauv |
| Kev Teeb tsa Bearing | Sib phim cov kabmob hnyav-duty tapered roller | Qhov chaw zoo tshaj plaws (Timken®/sib npaug) | Haum rau kev sib xyaw ua ke ntawm cov khoom siv radial thiab thrust |
| Cov Khoom Siv Qhia Txog | SAE 4140 / 42CrMo / 50Mn hlau alloy zoo tshaj plaws | Cov hlau uas tau ntawv pov thawj | Qhov sib npaug zoo tshaj plaws ntawm qhov nyuaj thiab kev tawv rau kev ua haujlwm mining |
| Qhov Nyuaj Siab ntawm Lub Cev | 280-350 HB (29-38 HRC) | 100% tau txheeb xyuas lawm | Kev ruaj khov rau kev nqus dej cuam tshuam |
| Qhov Nyuaj Ntawm Qhov Chaw | HRC 58-62 | Induction hardened | Hnav tsis kam rau lub neej ua haujlwm ntev |
| Qhov tob ntawm cov ntaub ntawv hardened | 8-12 hli | Kev tswj hwm qhov gradient | Qhov tob ntawm cov txheej uas tsis yooj yim hnav rau cov voj voog ua haujlwm hnyav |
| Kev khiav ntawm lub tread | ≤0.15 hli TIR | CMM tau lees paub lawm | Kev tiv thaiv kev co thiab kev cuam tshuam ntawm txoj saw hlau |
| Kev sib koom ua ke | ≤0.10 hli | CMM tau lees paub lawm | Kev sib hloov du thiab kev faib tawm hnav sib npaug |
1.4 Cov Qauv Txheej Txheem thiab Kev Tsim Qauv
Lub rooj sib dhos rau cov khoom siv thauj khoom rau Liugong E-series excavators muaj ntau yam khoom tseem ceeb uas tau tsim los rau kev ua haujlwm khawb av hnyav:
Lub cev dov: Lub log tseem ceeb uas kov thiab txhawb nqa qhov khiav sab saud ntawm txoj saw hlau, tsim los ntawm cov hlau forged alloy nrog qhov chaw tread precision-machined thiab induction-hardened flange ntsej muag. Lub cev dov muaj ib daim forged lossis precision-cast tsim, kom ntseeg tau tias cov qauv ruaj khov nyob rau hauv kev ntxhov siab tas mus li. Lub cev suav nrog cov qhov bearing precision-machined thiab cov qhov foob tsev nrog geometry zoo tshaj plaws rau kev faib khoom thauj.
Kev Teeb Tsa Sab Nraud: Sab nraud muaj qhov chaw tiaj tiaj uas muaj cov qauv zoo nkauj nrog cov qauv zoo nkauj kom haum rau qhov me me ntawm txoj kev tsis sib haum thiab tiv thaiv kev thauj khoom ntawm ntug. Lub vojvoog ntawm lub kaus mom (feem ntau yog 1.0-2.0 hli) raug suav ua tib zoo raws li kev tshuaj xyuas cov khoom kawg kom ntseeg tau tias muaj kev faib siab sib npaug thoob plaws thaj chaw sib cuag hauv qab ntau yam kev thauj khoom. Kev teeb tsa ob-flange muab kev khaws cia zoo hauv ob qho kev taw qhia, qhov tseem ceeb rau kev ua haujlwm khawb av ntawm cov toj roob hauv pes txog li 30 °.
Ncej: Lub qag ruaj khov uas ua los ntawm cov hlau sib xyaw ua ke muaj zog heev nrog cov ntawv sau ua ke uas muaj kev sib txuas hauv av (h6 kam rau siab) thiab kev kho kom zoo nkauj rau qhov ruaj khov. Lub qag muaj cov khoom siv sib txuas ua ke uas tau ua tiav los ntawm kev siv lub tshuab kom ruaj ntseg rau kev txuas rau ntawm tus ncej ntawm txoj kev los ntawm cov brackets ruaj khov. Cov tuam txhab tsim khoom zoo siv cov hlau sib xyaw ua ke zoo, tiv taus kev cuam tshuam (piv txwv li, 50Mn, 40Cr, lossis SAE 4140) xaiv rau qhov sib npaug zoo tshaj plaws ntawm qhov nyuaj ntawm qhov chaw thiab qhov tawv ntawm lub hauv paus.
Lub Cev Muaj Pob: Cov pob sib phim ntawm cov kabmob hnyav nrog cov ntsuas kev thauj khoom dynamic tsim nyog rau 70-80 tuj chav kawm tshuab, muaj cov tawb tooj dag machined rau kev tiv thaiv kev co siab thiab C4 sab hauv clearance rau kev pab txhawb nqa thermal hauv kev ua haujlwm mining tas mus li. Lub cev muaj pob yog tsim rau L10 lub neej tshaj 10,000 teev nyob rau hauv cov xwm txheej ua haujlwm ib txwm muaj.
Lub Tshuab Kaw: Cov teeb meem ua qias tuaj ntau theem suav nrog cov foob pob hluav taws thawj zaug (cov nplhaib hlau uas tau sib tsoo nrog cov ntsej muag kaw uas tau ua tiav qhov tiaj tiaj hauv 0.5-1.0 µm), cov foob pob hluav taws HNBR (Hydrogenated Nitrile Butadiene Rubber) thib ob, thiab cov tiv thaiv plua plav sab nraud nrog ntau lub chambers. Lub tshuab kaw no, uas zoo li lub labyrinth, yog tsim los kom tshem tawm cov kuab paug uas ua rau qias tuaj (xuab zeb zoo, av nplaum, slurry) thaum tseem khaws cov roj lithium xab npum kub heev, siab heev (EP) rau lub neej ntawm lub roller.
Mounting Bracket: Lub bracket hlau forged hnyav uas ruaj khov lub rooj sib dhos rau ntawm txoj kab, tsim los tiv taus tag nrho cov kev thauj khoom dynamic ntawm kev ua haujlwm mining nrog cov chaw mounting precision-machined thiab cov khoom siv sib txuas muaj zog siab.
Kev Siv Lubrication Ua Ntej: Cov menyuam nqa khoom niaj hnub no yog Lube-for-Life tsim, txhais tau tias lawv tau kaw thiab ua ntej-greased ntawm lub Hoobkas nrog cov roj nplaum siab, siab heev (EP) ntsuas, tsis tas yuav tsum tau greasing txij nkawm thaum lub sijhawm ua haujlwm.
2. Lub Hauv Paus Metallurgical: Kev Tshawb Fawb Txog Khoom Siv Rau Cov Kev Siv Mining-Class Excavator
2.1 Cov Qauv Xaiv Cov Hlau Alloy Zoo Tshaj Plaws rau Kev Ua Haujlwm Loj Hlob
Qhov chaw ua haujlwm ntawm lub tshuab khawb av 70-80 tuj chav kawm yog qhov xav tau cov khoom siv ntau tshaj plaws hauv kev lag luam khoom siv hnyav. Lub Cheebtsam yuav tsum ua tib lub sijhawm:
- Tiv thaiv kev hnav tsis zoo los ntawm kev sib cuag tas mus li nrog txoj hlua thiab kev raug rau cov khib nyiab khawb av uas muaj cov zaub mov uas ua rau tawv heev xws li quartz (hardness 7 Mohs), silicates, granite, thiab iron ore
- Tiv taus cov khoom hnyav los ntawm kev tsav tsheb hla thaj chaw khawb av, hla cov teeb meem, thiab kev thauj khoom thaum lub sijhawm khawb av
- Tswj kev ruaj khov ntawm cov qauv hauv qab kev thauj khoom cyclic tshaj 10⁷ cycles thoob plaws lub neej ntawm lub tshuab
- Khaws cia qhov ruaj khov txawm tias raug rau qhov kub thiab txias heev (-40 ° C txog + 50 ° C), dej noo, thiab cov tshuaj lom neeg suav nrog roj, roj nplua nyeem, thiab cov tshuaj reagents hauv kev khawb av
Cov chaw tsim khoom zoo xws li CQC TRACK xaiv cov qib hlau alloy zoo tshaj plaws uas ua tiav qhov sib npaug zoo tshaj plaws ntawm qhov nyuaj, kev tawv, thiab kev tiv taus kev nkees rau cov ntawv thov khawb av hauv chav kawm mining:
SAE 4140 / 42CrMo Chromium-Molybdenum Alloy: Qhov no yog cov khoom siv zoo tshaj plaws rau cov menyuam nqa khoom hnyav hauv chav kawm Liugong E-series. Nrog cov ntsiab lus carbon ntawm 0.38-0.45%, chromium ntawm 0.90-1.20%, thiab molybdenum ntawm 0.15-0.25%, SAE 4140 muab:
| Vaj tse | Tus nqi ib txwm muaj | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Lub Zog Tensile Kawg | 950-1100 MPa | Muaj peev xwm nqa tau khoom thaum muaj kev ntxhov siab heev |
| Lub Zog Tawm | 800-900 MPa | Kev tiv thaiv kev hloov pauv mus tas li |
| Kev ntev | 12-16% | Ductility rau kev nqus dej cuam tshuam |
| Kev txo qis ntawm thaj chaw | 45-55% | Qhov ntsuas zoo ntawm cov khoom siv |
| Qhov nyuaj (Q&T) | 280-350 HB | Core toughness rau kev cuam tshuam tsis kam |
| Kev Nyuaj Siab (Charpy V-notch ntawm -20 ° C) | 40-60 J | Kev ua haujlwm kub tsawg rau kev khawb av txias |
50Mn / 55Mn Manganese Steel: Rau cov ntawv thov uas muaj kev tiv thaiv kev hnav zoo dua, 50Mn nrog carbon 0.45-0.55% thiab manganese 1.4-1.8% muab:
- Qhov tawv tawv zoo heev (qhov tseem ceeb rau cov menyuam loj)
- Kev tiv thaiv zoo los ntawm kev tsim carbide
- Muaj zog txaus rau feem ntau cov ntawv thov mining
- Cov qauv sib xyaw ua ke ntawm boron micro-alloyed rau kev ua kom tawv dua hauv cov ntu loj
40CrNiMo Cov Hlau Zoo Tshaj Plaws: Rau cov ntawv thov uas xav tau kev ua haujlwm siab tshaj plaws, cov hlau nickel-alloyed muab kev ua kom tawv dua rau cov ntu loj heev, kev ua kom tawv dua ntawm cov qib siab, thiab cov khoom cuam tshuam zoo dua rau qhov kub qis rau kev ua haujlwm hauv arctic mining.
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 Xeem 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, Cr, Mo, Ni, 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 thaum tau txais cov khoom siv raw.
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 ntawm cov menyuam nqa khoom thiab lub neej ua haujlwm. 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 tiv thaiv kev cuam tshuam qis dua. Cov chaw tsim khoom siv thauj khoom zoo tshaj plaws hauv chav kawm mining excavator tsuas yog siv cov khoom siv kub kaw-tuag rau lub cev menyuam.
Cov txheej txheem forging rau Liugong E-series chav kawm Cheebtsam pib nrog kev txiav cov hlau loj-txoj kab uas hla (feem ntau yog 300-400 hli txoj kab uas hla) kom raug qhov hnyav, cua sov rau kwv yees li 1150-1250 ° C kom txog thaum tag nrho austenitized, tom qab ntawd muab lawv rau hauv qhov siab-siab deformation ntawm precision-machined tuag hauv hydraulic presses uas muaj peev xwm ntawm 8,000-15,000 tons ntawm lub zog.
Kev kho cua sov no ua rau cov noob nplej ntws tas mus li uas ua raws li cov duab ntawm cov khoom, sib dhos cov ciam teb ntawm cov noob nplej perpendicular rau cov lus qhia tseem ceeb ntawm kev ntxhov siab. Cov qauv tshwm sim qhia tau tias:
| Kev Txhim Kho Vaj Tse | Forged vs. Cast | Kev Pab Cuam Engineering |
|---|---|---|
| Lub zog qaug zog | +20-30% | Lub neej ua haujlwm ntev dua nyob rau hauv kev thauj khoom cyclic |
| Kev Nqus Tau Zog | +30-40% | Zoo dua tiv taus kev poob siab los ntawm thaj av mine |
| Kev Ncaj Ncees ntawm Cov Qauv | Tsis muaj porosity / inclusions | Kev tshem tawm cov chaw pib ua tsis tiav |
| Kev Taw Qhia Txog Cov Nplej | Ua ke nrog kev ntxhov siab | Kev faib khoom zoo tshaj plaws hauv qab cov khoom hnyav heev |
| Qhov Ceev | 100% kev xav | Lub zog siab tshaj plaws ntawm cov khoom siv |
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 Kho Mob Kub Ob Chav Khoom rau Cov Cheebtsam Mining-Class
Qhov kev txawj ntse ntawm cov hlau nplaum ntawm lub tshuab khawb av zoo tshaj plaws hauv chav kawm mining qhia tau meej hauv nws qhov profile hardness uas tau tsim tshwj xeeb - qhov chaw tawv heev, tiv taus hnav ua ke nrog lub hauv paus ruaj khov, nqus tau qhov cuam tshuam:
Kev Tua Kab thiab Kev Kub Siab (Q&T): Tag nrho lub cev forged roller yog 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 siab tam sim ntawd ntawm 500-650 ° C tso cai rau cov pa roj carbon kom precipitate ua cov carbides zoo, txo cov kev ntxhov siab sab hauv thiab rov qab ua kom muaj zog. Qhov nyuaj ntawm lub hauv paus feem ntau yog txij li 280-350 HB (29-38 HRC), muab qhov nyuaj zoo tshaj plaws rau kev nqus kev cuam tshuam hauv cov ntawv thov khawb av.
Kev Kho Kom Nto Kho Kom Ruaj: 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 ruaj hauv zos. Lub kauj inductor tooj liab uas tsim los ntawm ntau qhov tig tau nyob ib puag ncig lub Cheebtsam, ua rau cov hluav taws xob eddy uas ua rau cov txheej saum npoo kub sai sai mus rau qhov kub austenitizing (900-950 ° C) hauv ob peb feeb. Kev tua dej tam sim ntawd tsim cov ntaub ntawv martensitic ntawm 8-12 hli tob nrog qhov nyuaj ntawm HRC 58-62, muab kev tiv thaiv zoo rau kev hnav abrasive los ntawm kev sib cuag ntawm cov saw hlau hauv cov chaw khawb av.
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 los ntawm lub thawv hardened mus rau lub hauv paus 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. Ib qho hardness profile qhia tau hais tias:
| Qhov tob ntawm qhov chaw | Qhov nyuaj ntau yam | Cov qauv me me |
|---|---|---|
| 0-2 hli | HRC 58-62 | Cov martensite kub hnyiab |
| 2-4 hli | HRC 55-58 | Cov martensite kub hnyiab |
| 4-6 hli | HRC 50-55 | Tempered martensite/bainite |
| 6-8 hli | HRC 45-50 | Bainite/martensite |
| 8-10 hli | HRC 35-45 | Bainite/ferrite |
| Tub ntxhais (> 10 hli) | 280-350 HB | Tempered martensite/bainite |
2.4 Cov Txheej Txheem Kev Ntsuam Xyuas Zoo rau Cov Cheebtsam Mining
Cov chaw tsim khoom xws li CQC TRACK siv ntau theem kev txheeb xyuas zoo thoob plaws hauv kev tsim khoom, nrog rau cov txheej txheem txhim kho rau cov khoom siv khawb av hauv chav kawm mining:
- Kev Tshuaj Xyuas Cov 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, nrog rau kev txheeb xyuas cov ntsiab lus zoo dua rau cov hlau sib xyaw tseem ceeb. Cov tshuaj lom neeg yuav tsum ua tau raws li cov kev txwv nruj rau txhua yam ntsiab lus, tshwj xeeb tshaj yog carbon (± 0.03%), manganese (± 0.05%), chromium (± 0.05%), molybdenum (± 0.03%), thiab nickel (± 0.05%). Txhua pawg khoom txuas nrog cov ntawv pov thawj khoom siv thiab cov ntawv qhia kev xeem tawv.
- Kev Ntsuas Ultrasonic (UT): Kev tshuaj xyuas 100% ntawm cov khoom tseem ceeb lees paub qhov ruaj khov sab hauv, nrhiav pom txhua qhov porosity hauv nruab nrab, cov khoom suav nrog, lossis laminations uas tuaj yeem ua rau muaj kev puas tsuaj rau kev ua haujlwm ntawm cov qauv hauv qab cov khoom siv khawb av hnyav. Kev kuaj xyuas ua raws li ASTM A388 lossis cov qauv sib npaug nrog cov qauv lees txais tsis muaj cov cim qhia ntau tshaj 2 hli qhov sib npaug hauv qab tiaj tus.
- 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 kev kho mob Q&T thiab qhov nyuaj ntawm qhov chaw tom qab kev kho kom tawv. Cov nqi kuaj xyuas zoo dua rau cov khoom siv hauv kev khawb av (txog li 100% rau cov yam ntxwv tseem ceeb) nrog cov ntaub ntawv tag nrho. Kev tshuaj xyuas zaum kawg suav nrog kev sim tiv thaiv kev sib hloov (torque) thiab kev txheeb xyuas qhov xau ntawm lub foob.
- Kev Tshuaj Xyuas Cov Khoom Sib Nqus (MPI): Tshuaj xyuas cov cheeb tsam tseem ceeb—tshwj xeeb yog cov hauv paus flange, kev hloov pauv ntawm tus ncej, thiab cov fillet radii—nrhiav pom cov kab nrib pleb lossis hlawv ntawm qhov chaw sib tsoo nrog kev rhiab heev. Kev kuaj ua raws li ASTM E709 lossis cov qauv sib npaug nrog cov qauv lees txais tsis muaj cov cim qhia kab ncaj.
- 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 uas tswj cov ntsuas peev xwm ua haujlwm (Cpk) tshaj 1.33 rau cov yam ntxwv tseem ceeb. Kev ua haujlwm tswj hwm los ntawm CNC ua kom ntseeg tau tias qhov kev kam rau siab tseem ceeb rau txoj kab uas hla ntawm lub qhov, qhov loj ntawm lub qhov, thiab qhov chaw kaw tau ua tiav tas li. Cov ntawv qhia txog qhov loj me tag nrho tau muab nrog txhua qhov kev xa khoom.
- Kev Ntsuas Tshuab: Cov khoom ntawm cov qauv yuav raug kuaj qhov tensile thiab qhov cuam tshuam (Charpy V-notch) ntawm qhov kub qis dua (-20°C txog -40°C) kom paub tseeb tias cov khoom no ruaj khov rau kev ua haujlwm khawb av hauv huab cua txias.
- Kev Tshuaj Xyuas Me Me: Kev tshuaj xyuas metallographic lees paub cov qauv noob zoo (ASTM noob loj 5-8), qhov tob ntawm lub plhaub (8-12 hli), cov qauv martensitic (yam tsawg kawg 90% martensite hauv lub plhaub), thiab tsis muaj cov theem tsis zoo xws li cov austenite uas khaws cia lossis cov carbides ciam teb noob.
- Kev Ntsuas Kev Khiav: Cov menyuam nqa khoom sib dhos ua ke dhau los ntawm kev sim khiav uas ua piv txwv rau cov xwm txheej ua haujlwm tiag tiag, nrog rau kev thauj khoom theem ntawm 20-30% txog 110-120% ntawm cov khoom thauj ntsuas, saib xyuas qhov kub nce, cov spectra vibration, thiab cov suab nrov kom paub tseeb tias kev ua tau zoo ua ntej xa khoom. Cov khoom siv dhau los ntawm kev sim khoom thiab kev hnav kom paub tseeb tias lub neej kev cia siab ntawm kev pabcuam nyob rau hauv cov xwm txheej hnyav.
3. Kev Tsim Kho Kom Zoo: Kev Tsim Khoom Thiab Kev Tsim Khoom
3.1 Kev Txhim Kho Geometry Roller rau Cov Excavators Chav Kawm Mining
Lub geometry ntawm lub log rau Liugong E-series cov tshuab yuav tsum phim cov lus qhia ntawm txoj kev sib tw thaum ua kom haum rau cov khoom hnyav ntawm kev ua haujlwm tsuas:
Txoj Kab Uas Ntev Sab Nraud: Lub txoj kab uas hla 380-450 hli yog xam los muab qhov ceev tig thiab lub neej L10 ntawm qhov ceev mus ncig ib txwm muaj (1.5-3 km / teev hauv kev siv mining). Lub txoj kab uas hla yuav tsum tau tswj kom tsis pub dhau qhov kev kam rau siab (± 0.10 hli) kom ntseeg tau tias qhov siab txhawb nqa saw hlau sib xws thiab kev koom tes zoo nrog cov saw hlau sib txuas.
Tsim Qauv Qauv: Qhov chaw sib cuag muaj cov qauv zoo tshaj plaws (feem ntau yog 1.0-2.0 hli radius) los pab txhawb kev sib tsoo me me thiab tiv thaiv kev thauj khoom ntawm ntug uas tuaj yeem ua rau hnav sai dua. Cov qauv no tau tsim los ntawm kev tshuaj xyuas cov ntsiab lus finite kom ntseeg tau tias muaj kev faib tawm ntawm lub zog sib npaug thoob plaws thaj chaw sib cuag hauv qab ntau yam kev thauj khoom. Cov qauv tsim tseem ceeb suav nrog:
| Cov Qauv Ntsuas | Cov Lus Qhia Tshwj Xeeb | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Lub vojvoog ntawm lub kaus mom | 1.0-2.0 hli | Haum rau qhov tsis sib xws, tiv thaiv kev thauj khoom ntawm ntug |
| Qhov Roughness ntawm qhov chaw (Ra) | ≤1.6 µm | Txhim kho cov yam ntxwv hnav nrog cov bushings khiav |
| Kev kam rau siab ntawm cov ntaub ntawv | ±0.10 hli | Ua kom muaj kev sib koom tes tas mus li |
| Kev Hloov Pauv Hardness | Kev tswj hwm qhov gradient | Tiv thaiv kev tawg thaum muaj kev cuam tshuam |
Kev Teeb tsa Flange: Cov menyuam nqa khoom rau cov khawb av hauv chav kawm mining muaj cov qauv tsim ob-flange uas muab kev tuav txoj kev zoo hauv ob qho kev taw qhia - qhov tseem ceeb rau kev ua haujlwm khawb av ntawm cov toj roob hauv pes txog li 30 °. Cov ntsiab lus tsim flange tseem ceeb suav nrog:
| Flange Feature | Cov Lus Qhia Tshwj Xeeb | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Qhov Siab ntawm Flange | 26-32 hli | Muab kev txwv sab nraud kom ruaj khov kom tiv thaiv kev tawm tsam |
| Qhov Dav ntawm Flange (radial thickness) | 28-38 hli | Xyuas kom muaj zog txaus rau kev ua haujlwm tiv thaiv kev poob qis |
| Lub kaum sab xis ntawm lub ntsej muag Flange | 8-12° | Ua kom yooj yim rau kev tso cov khib nyiab tawm, tiv thaiv cov khoom ntim khoom |
| Flange Cag Radius | 10-15 hli | Txo qhov kev ntxhov siab, tiv thaiv kev tawg |
| Flange Lub Ntsej Muag Hardness | HRC 58-62 | Hnav tsis kam tiv thaiv kev sib txuas ntawm cov kab txuas |
| Qhov Nrug Deb Ntawm Flange-rau-Flange | 170-220 hli | Haum rau qhov dav ntawm txoj kab txuas nrog qhov chaw kom haum |
Qhov Dav ntawm Cov Menyuam: Qhov dav tag nrho ntawm 140-180 hli muab qhov chaw sib cuag txaus nrog txoj hlua khi, faib cov khoom thauj kom txo qhov kev sib cuag thiab kev hnav. Qhov dav ntawm lub tread feem ntau yog 100-140 hli, nrog rau cov flanges txuas ntxiv mus rau sab nraud kom khaws cia zoo.
3.2 Kev Tsim Kho Lub Ncej thiab Bearing System rau Cov Khoom Siv Loj Hlob
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 cev dov uas tig. Rau Liugong E-series daim ntawv thov, lub ncej txoj kab uas hla feem ntau yog 100-120 hli, xam raws li:
- Qhov hnyav ntawm lub tshuab tsis hloov pauv tau muab faib rau txhua lub log nqa khoom (1,000-1,800 kg ib lub log, nyob ntawm seb teeb tsa li cas)
- Cov yam ntxwv dynamic load ntawm 3.0-4.0 rau cov ntawv thov mining (siab dua li kev tsim kho vim muaj kev cuam tshuam)
- Kev sib txuas ntawm cov khoom siv uas rub tau los ntawm cov saw hlau thaum lub sijhawm ua haujlwm
- Cov khoom thauj sab thaum lub sijhawm tig thiab kev ua haujlwm nqes hav (txog li 30-40% ntawm cov khoom thauj ntsug)
Lub kaw lus bearing rau cov mining-class excavator carrier rollers siv cov khoom sib phim ntawm cov heavy-duty tapered roller bearings, tshwj xeeb xaiv rau cov ntawv thov hnyav-ua haujlwm:
| Cov Qauv Ntsuas Kev Tawm Tsam | Cov Lus Qhia Tshwj Xeeb | Kev Tsim Kho Tseem Ceeb |
|---|---|---|
| Hom kabmob | Cov kabmob sib phim tapered roller (ob chav kab) | Txhawb nqa cov khoom siv radial thiab thrust siab tib lub sijhawm |
| Kev Ntsuas Dynamic Load (C) | 500-800 kN | Haum rau 70-80 tuj chav kawm tshuab |
| Kev Ntsuas Khoom Siv Li Qub (C0) | 800-1300 kN | Tiv taus cov khoom hnyav siab tshaj plaws yam tsis muaj kev hloov pauv mus tas li |
| Tsim Tawb | Tshuab tooj dag tawb | Lub zog zoo dua rau kev thauj khoom poob siab piv rau cov hlau stamped |
| Kev Tshem Tawm Sab Hauv | C4 chav kawm | Ua kom haum rau kev nthuav dav thermal thaum lub sijhawm ua haujlwm tas mus li |
| Kev Sib Tw Khiav | Ua tiav zoo heev (Ra ≤0.1 µm) | Txo kev sib txhuam, ua kom lub neej qaug zog ntev dua |
| Cov ntaub ntawv qhia txog cov menyuam | Kev kho kom zoo nkauj | Tiv thaiv kev thauj khoom ntawm ntug thaum tsis sib haum |
| Khoom siv | Cov hlau bearing uas tau ua kom tawv | Qhov siab tshaj plaws ntawm qhov chaw ruaj khov nrog lub hauv paus tawv |
Cov chaw tsim khoom zoo tshaj plaws yuav cov bearings los ntawm cov chaw muag khoom muaj npe nrov xws li Timken®, NTN, KOYO, SKF, lossis cov chaw tsim khoom zoo sib xws uas muaj kev ua tau zoo hauv kev siv mining.
Cov ntawv xov xwm ntawm tus ncej tau raug ua kom raug rau h6 kev kam rau siab (± 0.015-0.025 hli) thiab kho qhov chaw (piv txwv li, chrome plating, nitriding, lossis induction hardening) rau kev txhim kho kev hnav tsis kam thiab kev tiv thaiv xeb.
3.3 Kev Siv Tshuab Sealing Ntau Qib Siab Rau Kev Ua Mining Ib puag ncig
Lub kaw lus foob yog qhov tseem ceeb tshaj plaws ntawm kev siv lub log thauj khoom ntev hauv cov ntawv thov khawb av hauv chav kawm khawb av, qhov twg cov tshuab ua haujlwm hauv cov chaw muaj kev ua qias tuaj ntau heev. Cov ntaub ntawv kev lag luam qhia tau tias ntau dua 80% ntawm cov log ua tsis tiav ua ntej lub sijhawm hauv kev khawb av yog los ntawm kev sib tsoo ntawm lub foob.
Cov log tsheb thauj khoom zoo tshaj plaws hauv kev khawb av los ntawm CQC TRACK siv ntau theem, cov txheej txheem kaw pob zeb hauv kev khawb av tshwj xeeb uas tsim los rau qhov chaw muaj kuab paug hnyav:
Lub Rooj Sib Tw Uas Muaj Hnyav Tseem Ceeb: Cov nplhaib hlau lossis hlau uas tau sib tsoo nrog cov ntsej muag sib khi ua tiav qhov tiaj tiaj hauv 0.5-1.0 µm. Rau cov ntawv thov khawb av, cov ntaub ntawv ntsej muag sib khi thiab cov txheej txheem raug xaiv rau:
| Cov yam ntxwv ntawm kev foob | Cov Lus Qhia Tshwj Xeeb | Kev Pab |
|---|---|---|
| Cov Khoom Siv Ring Seal | Cov hlau uas tau ua los ntawm cov hlau tawv los yog cov hlau tshwj xeeb (HRC 58-64) | Kev tiv thaiv kev hnav siab tshaj plaws |
| Qhov Sib Nqus Ntawm Lub Ntsej Muag | ≤1.0 µm | Tswj kev sib cuag tas mus li, tiv thaiv kev xau |
| Qhov Roughness ntawm Lub Ntsej Muag Seal | Ra ≤0.1 µm | Txo qhov kev sib txhuam, ua kom lub neej ntev dua |
| Txheej Txheem Lub Ntsej Muag | Cov txheej txheem txhim kho ntxiv xaiv tau | Kev tiv thaiv kev hnav ntxiv rau cov xwm txheej hnyav |
| Kev Ruaj Ntseg ntawm Lub Nplhaib | HRC 58-64 | Tiv taus kev hnav abrasive los ntawm cov khoom tsis huv quartz / silicate |
Lub foob Radial thib ob: Tsim los ntawm cov khoom siv elastomer zoo tshaj plaws nrog:
- HNBR (Hydrogenated Nitrile Butadiene Roj Hmab): Tiv taus kub zoo heev (-40 ° C txog + 150 ° C), sib xws nrog tshuaj lom neeg nrog EP roj, tiv taus kev sib txhuam zoo dua
- FKM (Fluoroelastomer): Rau cov ntawv thov kub lossis tshuaj lom neeg (xaiv tau)
- Lub zog kaw zoo tswj los ntawm lub caij nplooj ntoos hlav garter (hlau tsis xeb rau kev tiv taus xeb)
- Kev tsim cov plua plav sib xyaw ua ke kom tsis txhob muaj cov kuab paug loj
Sab Nraud Labyrinth-Style Plua Plav Protector: Tsim ib txoj kev nkhaus nrog ntau lub chambers uas maj mam ntes cov khoom tsis huv ua ntej lawv mus txog cov foob tseem ceeb. Lub labyrinth yog:
- Ntim nrog cov roj nplaum siab, siab heev rau kev khawb av
- Tsim nrog cov channel tshem tawm rau kev ntxuav tus kheej thaum lub sijhawm tig
- Teeb tsa nrog ntau theem (feem ntau yog 3-5 chav) rau kev tiv thaiv siab tshaj plaws
- Muaj kev tiv thaiv los ntawm cov nplhaib hnav uas ua kom lub foob sib dhos txawm tias cov khoom siv hnav
Qhov Cav Roj: Ib qho qhov nruab nrab uas muaj cov roj EP qib mining uas ua haujlwm ua ib qho thaiv, tshem tawm cov kuab paug uas hla dhau cov foob sab nraud.
Kev Siv Lubrication Ua Ntej: Cov menyuam nqa khoom niaj hnub no yog Lube-for-Life tsim, txhais tau tias lawv tau kaw thiab ua ntej-greased ntawm lub Hoobkas nrog cov roj nplaum siab, siab heev (EP), tsis tas yuav tsum tau greasing txij nkawm thaum lub sijhawm ua haujlwm. Lub qhov ntawm cov kabmob tau ua ntej-filled nrog cov roj qib mining uas muaj:
- Molybdenum disulfide (MoS₂) lossis graphite rau kev siv roj nplua nyeem rau ciam teb thaum muaj kev kub ntxhov heev
- Cov tshuaj ntxiv tiv thaiv kev hnav zoo dua rau kev tiv thaiv kev co
- Cov tshuaj tiv thaiv kev xeb rau kev ua haujlwm hauv qhov chaw khawb av ntub
- Cov tshuaj oxidation stabilizers rau kev pabcuam ntev (2,000+ teev)
3.4 Mounting Bracket thiab Track Frame Interface
Lub log tsheb thauj khoom tau teeb tsa rau ntawm tus ncej ntawm txoj kev los ntawm cov khoom siv mounting uas yuav tsum tiv taus tag nrho cov kev thauj khoom dynamic ntawm kev ua haujlwm mining. Rau Liugong E-series chav kawm tshuab, cov khoom siv no yog cov khoom tseem ceeb tsim los rau kev ruaj khov heev.
Cov yam ntxwv tseem ceeb ntawm kev tsim qauv muaj xws li:
- Cov Nto Uas Tau Siv Tshuab Ua Kom Tiav: Xyuas kom meej tias qhov sib dhos thiab faib cov khoom thauj mus rau tus ncej ntawm txoj kev. Feem ntau qhov tiaj tiaj ntawm qhov chaw yuav tsum tsis pub dhau 0.1 hli dhau 100 hli.
- Cov Khoom Txuas Muaj Zog Siab: Cov ntsia hlau qib 12.9 nrog cov lus qhia nruj tswj tau thiab cov yam ntxwv xauv kom raug (xauv lub hau, xauv xov, phaj xauv) kom tiv thaiv kev xoob thaum muaj kev co hnyav.
- Kev Tsim Kho Bracket Forged: Xyuas kom meej tias cov nplej ntws zoo tshaj plaws thiab muaj zog tshaj plaws hauv cov chaw thauj khoom.
- Kev Tiv Thaiv Kev Xeb: Cov xim pleev xim hnyav (epoxy lossis polyurethane) lossis cov xim nplua nuj zinc rau kev ruaj khov ntawm qhov chaw ua haujlwm hauv av, siv tom qab tua phom kom lo rau qhov zoo tshaj plaws. Cov khoom sib xyaw raug tua-peened rau kev txo kev ntxhov siab thiab coated nrog cov primers thiab xim pleev xim uas muaj kev sib txuas siab, tiv taus kev xeb.
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 cuam tshuam ncaj qha rau lub neej ua haujlwm hauv cov ntawv thov khawb av hauv chav kawm mining. Cov yam ntxwv tseem ceeb rau Liugong E-series chav kawm carrier rollers suav nrog:
| Feature | Kev kam rau siab ib txwm muaj | Txoj Kev Ntsuas | Qhov tshwm sim ntawm kev hloov pauv |
|---|---|---|---|
| Txoj kab uas hla ntawm lub ncej | h6 txog h7 (±0.015-0.025 hli) | Micrometer (kev daws teeb meem 0.001 hli) | Qhov kev tshem tawm cuam tshuam rau zaj duab xis lubrication thiab kev faib khoom thauj |
| Txoj kab uas hla ntawm lub cev Bore | H7 txog H8 (±0.020-0.035 hli) | Lub qhov ntsuas / CMM | Haum nrog qhov sib tw sab nraud ntawm cov kabmob; qhov haum tsis raug ua rau cov kabmob tsis ua haujlwm ua ntej lub sijhawm |
| Lub Qhov Rooj Rau Lub Qhov Ruaj Ntseg | H8 txog H9 (±0.025-0.045 hli) | Lub qhov ntsuas / CMM | Kev nias ntawm lub foob cuam tshuam rau lub zog thiab lub neej ntawm lub foob |
| Txoj kab uas hla ntawm lub log | ±0.10 hli | Micrometer / CMM | Qhov siab txhawb nqa saw hlau sib xws |
| Qhov Nrug Deb Ntawm Flange-rau-Flange | ±0.15 hli | CMM | Kev koom tes thiab kev taw qhia txog kev sib txuas lus zoo |
| Kev sib luag ntawm flange | ≤0.05 hli thoob plaws txoj kab uas hla | CMM | Kev tsis sib haum ua rau hnav tsis sib xws thiab kev thauj khoom sab |
| Kev khiav ntawm lub tread | ≤0.15 hli tag nrho qhia | Qhov ntsuas lub xov tooj / CMM | Kev co thiab kev cuam tshuam ntawm txoj saw hlau |
| Kev sib koom ua ke | ≤0.10 hli | CMM | Kev sib hloov du thiab kev faib tawm hnav sib npaug |
| Qhov Chaw Tiav (tread) | Ra ≤1.6 µm | Tus ntsuas qhov profile | Kev siv thiab kev sib cuam tshuam ntawm cov saw hlau |
| Qhov Tiav Ntawm Qhov Chaw (cov ntawv xov xwm kabmob) | Ra ≤0.4 µm | Tus ntsuas qhov profile | Lub neej ntawm cov kabmob thiab lubrication |
| Qhov Chaw Tiav (qhov chaw kaw) | Ra ≤0.4 µm | Tus ntsuas qhov profile | Tus nqi hnav ntawm cov foob thiab kev tiv thaiv kom tsis txhob xau |
Cov txheej txheem tig thiab sib tsoo uas tswj los ntawm CNC lav qhov tseeb geometry thiab qhov tiav ntawm qhov chaw rau kev sib cuam tshuam ntawm cov saw hlau du. Kev Tswj Xyuas Txheej Txheem Txheeb Cais (SPC) thiab cov txheej txheem taug qab tau siv thoob plaws hauv kev forging, machining, kev kho cua sov, thiab kev sib dhos. Kev txheeb xyuas qhov ntev hauv cov txheej txheem nrog cov lus teb tiag tiag rau cov neeg ua haujlwm tshuab ua rau kev kho tam sim ntawd ntawm kev hloov pauv ntawm cov txheej txheem.
3.6 Cov Txheej Txheem Kev Sib Dhos thiab Kev Ntsuas Ua Ntej Xa Khoom
Kev sib dhos zaum kawg yog ua nyob rau hauv cov xwm txheej tswj hwm kom tiv thaiv kev ua qias tuaj - qhov yuav tsum tau ua tseem ceeb rau cov khoom uas txawm tias cov khoom me me tuaj yeem ua rau muaj kev puas tsuaj ua ntej lub sijhawm. Cov txheej txheem sib dhos suav nrog:
- Kev Ntxuav Cov Cheebtsam: Ua kom huv si ntawm txhua yam khoom ua ntej sib dhos kom tshem tawm tag nrho cov seem seem, roj, thiab cov khoom me me.
- Ib puag ncig tswj tau: Huv si cov chaw sib sau ua ke nrog kev tswj cov pa phem thiab kev tswj qhov kub thiab txias/av noo.
- Kev Teeb tsa Bearing: Kev nias kom raug nrog kev saib xyuas lub zog kom ntseeg tau tias muaj qhov chaw zaum zoo; bearings yuav raug cua sov rau kev nthuav dav kom yooj yim rau kev teeb tsa yam tsis muaj kev puas tsuaj.
- Kev Teeb Tsa Ua Ntej: Cov kabmob tapered roller raug kho rau qhov kev teeb tsa ua ntej uas tau teev tseg siv cov khoom siv tshwj xeeb thiab kev ntsuas torque.
- Kev Teeb Tsa Lub Rooj Sib Txuas: Cov cuab yeej tshwj xeeb tiv thaiv kev puas tsuaj rau daim di ncauj thiab ntsej muag ntawm lub rooj sib txuas; cov ntsej muag ntawm lub rooj sib txuas raug lubricated thaum lub sijhawm teeb tsa nrog cov roj sib dhos.
- Kev Siv Lubrication: Ntsuas cov roj nplua nyeem nrog cov roj nplua nyeem qib tshwj xeeb rau kev khawb av; cov qhov cua raug tshem tawm thaum lub sijhawm sau rau cov qauv Lube-for-Life.
- Kev Ntsuas Kev Tig: Kev txheeb xyuas qhov kev tig du thiab kev thauj khoom ua ntej kom raug.
Kev kuaj ua ntej xa khoom rau cov tshuab khawb av hauv chav kawm mining suav nrog:
- Kev ntsuas lub zog tig kom paub tseeb tias kev tig du thiab kev thauj khoom ua ntej kom raug
- Kev sim ua kom lub foob ruaj khov nrog cua uas muaj siab kom pom cov kev xau
- Kev tshuaj xyuas qhov ntev ntawm cov khoom sib dhos ua ke kom paub tseeb tias txhua qhov sib haum xeeb tseem ceeb (CMM kev txheeb xyuas)
- Kev tshuaj xyuas qhov muag ntawm kev teeb tsa lub foob, lub zog ntawm cov khoom siv txuas, thiab kev ua haujlwm tag nrho
- Khiav kev sim ntawm cov qauv piv txwv los xyuas qhov ua tau zoo hauv qab cov khoom thauj simulated, saib xyuas qhov kub nce, cov spectra vibration, thiab cov suab nrov
4. CQC TRACK: Cov Ntaub Ntawv Chaw Tsim Khoom Nyob Hauv Quanzhou, Suav Teb
4.1 Kev Txheeb Xyuas Lub Tuam Txhab thiab Kev Taw Qhia Tswv Yim
CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) yog ib lub tuam txhab tsim khoom lag luam tshwj xeeb thiab muab cov khoom siv hauv qab tsheb hnyav thiab cov khoom siv chassis, ua haujlwm ntawm ob qho tib si ODM thiab OEM. Lub tuam txhab tau tsim tsa thaum xyoo 1990s, thiab tau loj hlob mus ua ke nrog Tuam Tshoj txoj kev lag luam tshuab, thiab tau hloov pauv los ntawm lub chaw ua haujlwm tshwj xeeb mus ua ib qho ntawm peb lub tuam txhab tsim khoom hauv qab tsheb loj tshaj plaws hauv cheeb tsam Quanzhou, uas yog ib lub chaw muab khoom tseem ceeb rau cov khoom siv thauj av thoob ntiaj teb.
Lub tuam txhab nyob hauv Quanzhou, Fujian Province—ib lub koom haum ua lag luam tseem ceeb rau kev tsim cov tshuab siv hauv Suav teb—lub tuam txhab tau tsim nws tus kheej ua ib tus neeg tseem ceeb hauv kev lag luam thoob ntiaj teb, nrog rau lub zog tshwj xeeb hauv cov khoom siv khawb av hauv chav kawm mining. Qhov chaw tseem ceeb ntawm Quanzhou muaj cov txiaj ntsig zoo rau kev xa tawm thoob ntiaj teb:
- Nyob ze rau Chaw Nres Nkoj Loj: Kev nkag mus rau Chaw Nres Nkoj Xiamen thiab Chaw Nres Nkoj Quanzhou, ob lub chaw xa khoom thoob ntiaj teb uas muaj neeg coob tshaj plaws hauv Suav teb, ua rau kev thauj khoom thoob ntiaj teb txhim khu kev qha
- Kev Lag Luam Hauv Cheeb Tsam: Kev sib sau ua ke ntawm kev txawj ntse hauv kev tsim khoom siv tshuab, cov neeg koom tes hauv kev xa khoom, thiab cov neeg ua haujlwm txawj
- Kev Tsim Kho Vaj Tse Logistics: Cov tes hauj lwm thauj mus los zoo uas pab txhawb kev faib khoom thoob ntiaj teb kom zoo
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 khawb av loj heev txog li 300 tons. Lub tuam txhab ua haujlwm ua lub hauv paus tsim khoom rau OEM-zoo hnyav-ua haujlwm khiav hauv qab, muab cov neeg faib khoom thoob ntiaj teb, kev ua haujlwm khawb av, cov neeg muag khoom siv, thiab cov tes hauj lwm tom qab kev lag luam thoob ntiaj teb.
4.2 Kev Muaj Peev Xwm Txuj Ci thiab Kev Paub Txog Engineering
Tshaj 20 Xyoo ntawm Kev Paub Txog Kev Tsim Khoom: Nrog ntau tshaj ob xyoo caum ntawm kev tsom mus rau cov khoom hauv qab, CQC TRACK tau cog qoob loo kev txawj ntse tob hauv metallurgy thiab tribology tshwj xeeb rau cov kab ke khiav. Qhov kev paub dhau los no ua rau lub tuam txhab xa cov khoom uas tsis yog tsuas yog ua tau raws li tab sis feem ntau tshaj OEM cov qauv kev ua tau zoo.
Kev Tsim Khoom Hnyav Ua Ke: CQC TRACK tswj 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. Rau Liugong E-series chav kawm Cheebtsam, 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 - qhov tseem ceeb rau cov Cheebtsam uas yuav tsum ua haujlwm tau zoo nyob rau hauv cov xwm txheej mining hnyav.
Kev Paub Txog Metallurgical Siab Tshaj Plaws: Pab 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 rau cov voj voog ua haujlwm ntawm cov tshuab khawb av. Rau Liugong E-series chav kawm carrier rollers, qhov no suav nrog:
- Kev Xaiv Khoom Siv: Cov hlau sib xyaw ua ke SAE 4140/42CrMo, 50Mn, thiab 40CrNiMo nrog cov tshuaj lom neeg tau ntawv pov thawj, siv cov hlau sib xyaw ua ke zoo, tiv taus kev cuam tshuam rau lub cev tseem ceeb thiab lub ntxaiv.
- Kev Kho Mob Kub: Quenched thiab tempered rau lub hauv paus hardness 280-350 HB, ua raws li induction hardening rau saum npoo HRC 58-62 nrog lub qhov tob ntawm 8-12 hli, ua tiav qhov tob, sib xws ntawm lub rooj sib zog nrog lub hauv paus tawv, ductile.
- Kev Tshawb Fawb Txog Finite Element (FEA): Kev tshawb fawb txog kev faib tawm ntawm kev ntxhov siab hauv qab cov khoom siv mining kom ua kom zoo dua geometry thiab txo qhov kev ntxhov siab concentration
- Kev Kwv Yees Lub Neej Qaug Zog: Raws li cov ntaub ntawv lub voj voog ua haujlwm mining nrog lub hom phiaj L10 lub neej ntawm 10,000+ teev
- Kev Siv Tshuab Sealing: Multi-stage labyrinth seal lossis float seal configuration nrog premium HNBR elastomers rau kev tiv thaiv kev ua qias tuaj ntau heev
Cov Txheej Txheem Kev Pov Hwm Zoo: Kev tsim khoom yog tswj hwm los ntawm Lub Txheej Txheem Kev Tswj Xyuas Zoo (QMS) uas ua raws li cov qauv thoob ntiaj teb, suav nrog:
- ISO 9001: 2015 Certified Quality Management System: Xyuas kom meej tias cov txheej txheem kev qhuab qhia, kev txhim kho tas mus li, thiab cov txheej txheem sau tseg thoob plaws txhua qhov kev ua haujlwm tsim khoom
- Kev taug qab tag nrho cov khoom siv thiab cov txheej txheem: Kev taug qab tag nrho los ntawm kev sib tsoo mus rau qhov sib dhos zaum kawg yog khaws cia rau txhua qhov ntau lawm
- Kev Ntsuas Kom Paub Txhua Yam: Xws li kev tshuaj xyuas spectrometer, UT, MPI, kev txheeb xyuas CMM, thiab kev khiav kev kuaj xyuas
- Kev Ua Raws Li Cov Qauv: Cov khoom lag luam tau tsim los ua kom tau raws li lossis tshaj cov qauv thoob ntiaj teb xws li ISO 7452 (Cov txheej txheem sim rau cov menyuam khiav) thiab lwm yam OEM-sib npaug cov lus qhia.
Kev Tsim Qauv Engineering: CQC TRACK txoj kev loj hlob ODM ua raws li txoj hauv kev "Failure-Mode-Driven" uas yog los ntawm kev tshuaj xyuas cov ntaub ntawv hauv daim teb:
- Kev Txheeb Xyuas Teeb Meem: Kev tshuaj xyuas cov khoom xa rov qab los ntawm thaj teb los txheeb xyuas cov hauv paus tseem ceeb (qhov ncauj foob puas, tawg, flange puas tsis zoo, thiab lwm yam)
- Kev Sib Koom Ua Ke ntawm Cov Kev Daws Teeb Meem: Tsim dua tshiab ntawm cov yam ntxwv tshwj xeeb—qhov geometry ntawm qhov zawj ntawm lub foob, qhov ntim ntawm cov roj hauv qhov, qhov profile ntawm flange—kom txo tau qhov ua tsis tiav uas tau txheeb xyuas
- Kev lees paub: Kev sim prototype kom ntseeg tau tias kev txhim kho tsim qauv muab lub neej ntev dua ua ntej tsim ntau lawm
4.3 Cov Khoom Muag thiab Kev Muaj Peev Xwm Tsim Khoom
CQC TRACK tsim ntau yam khoom siv hauv qab rau cov excavators hnyav, nrog rau kev txhim kho engineering uas tsim los rau cov kev siv hnyav:
| Cov Khoom Kab | Cov Lus Qhia Tshwj Xeeb | Cov ntawv thov |
|---|---|---|
| Cov Menyuam Khiav (Hauv Qab & Sab Saum Toj) | Cov lub cev forged nrog cov rims thiab flanges uas tau sib zog tob; cov qauv tsim uas muaj lubricated (LGP) thiab cov qauv tsis muaj lubricated (NGP) | Cov tshuab khawb av, kev tsim kho hnyav |
| Cov Menyuam Nqa Khoom & Cov Idlers | Cov kabmob lossis cov bushings kaw ruaj khov; tsim rau cov khoom thauj radial thiab axial siab; ntau lub labyrinth foob systems | Txhua chav kawm excavator txog li 300 tons |
| Cov Sprockets Khiav (Cov Log Tsav) | Cov qauv txiav ua ntu lossis cov qauv khov kho; txiav kom raug, cov hniav khov kho; kev koom tes zoo tshaj plaws rau kev txo qis kev hnav | Cov tshuab khawb av, cov dozer loj |
| Cov Chains thiab Bushings | Cov hlau txuas siab; induction-hardened; carburized bushings rau qhov siab tshaj plaws hnav tsis kam | Cov txheej txheem hauv qab tsheb tiav |
| Khau khiav | Cov qauv tsim ib zaug, ob npaug, thiab peb npaug rau ntau yam hauv av | Kev khawb av, chaw txua zeb, kev siv hauv kev tsim kho |
| Cov Hniav Thoob | Yim txoj kab ntau lawm forged; 10,000+ m² lub Hoobkas tshwj xeeb | Ua tiav cov txheej txheem GET (Ground Engaging Tool) |
Lub tuam txhab tswj cov cuab yeej thiab kev tsim khoom rau ntau hom Liugong excavator, suav nrog E-series (CLG970E, CLG975E, CLG978E) thiab cov qauv qub, kom ntseeg tau tias muaj kev muab khoom tas mus li rau ob qho tib si kev tsim khoom tam sim no thiab kev txhawb nqa hauv thaj teb.
4.4 Kev Muaj Peev Xwm Muab Khoom Thoob Ntiaj Teb los ntawm Quanzhou
CQC TRACK pab cov lag luam thoob ntiaj teb nrog kev saib xyuas tshwj xeeb rau cov cheeb tsam tseem ceeb hauv ntiaj teb. Nrog cov chaw tsim khoom hauv Quanzhou thiab kev koom tes zoo thoob plaws hauv Suav teb lub ecosystem tsim khoom hauv qab, lub tuam txhab muab:
| Kev Muaj Peev Xwm ntawm Cov Khoom Siv | Kev ua tau zoo | Cov txiaj ntsig rau Cov Neeg Siv Khoom |
|---|---|---|
| Lub Sijhawm Ua Ntej (Kev Tsim Khoom Tshwj Xeeb) | 35-55 hnub | Kev npaj khoom siv uas kwv yees tau rau kev ua haujlwm mining |
| Kev Pab Thaum Muaj Xwm Ceev | 15-25 hnub ua ntej xa khoom | Txo lub sijhawm tsis ua haujlwm hauv cov xwm txheej tseem ceeb |
| Yam Tsawg Kawg Nkaus Yuav Tsum Tau | Yooj yim (1-100+ units) | Haum rau ob tus neeg muag khoom me me thiab cov chaw khawb av loj |
| Cov Kev Pab Cuam Txog Kev Muag Khoom | Muaj kev npaj khoom siv rau kev khaws cia khoom | Muaj tam sim ntawd rau cov khoom siv uas xav tau ntau |
| Cov Khoom Muag Khoom | Muaj rau kev ua haujlwm loj | Txo cov nqi thauj khoom ntawm cov neeg siv khoom |
| Kev Txhawb Nqa Hauv Tebchaws | Kev sab laj txog kev tsim kho | Kev pab txhawb kev txhim kho daim ntawv thov |
| Kev Ntim Khoom Tawm Mus | Cov ntoo pallets xa tawm txawv teb chaws, ntim khoom tiv taus huab cua | Kev ncaj ncees ntawm cov khoom thaum lub sijhawm thauj mus los hauv dej hiav txwv |
| Cov ntaub ntawv pov thawj | Cov ntaub ntawv xa khoom suav nrog MTRs, cov ntawv tshuaj xyuas | Kev tshem tawm kev lis kev cai thoob ntiaj teb zoo |
5. Liugong CLG970E/975E/978E Series Txheej Txheem Cej Luam
5.1 Kev Faib Tawm Tshuab thiab Daim Ntawv Thov
Cov Liugong CLG970E, CLG975E, thiab CLG978E sawv cev rau Liugong tiam tom ntej E-series loj excavator kab, tsim thiab ua rau cov kev siv mining thiab kev tsim kho hnyav tshaj plaws thoob ntiaj teb. Lub npe "E" txhais tau tias kev tsim kho kom zoo dua nrog kev siv roj zoo dua, cov tshuab hydraulic siab heev, thiab cov qauv tsim kho kom muaj zog rau lub neej ntev hauv kev mining.
| Qauv | Qhov Hnyav Ua Haujlwm | Lub zog cav | Cov Rollers Nqa Khoom Ib Sab | Cov Rollers Taug Kev Ib Sab | Cov Ntawv Thov Ib Txwm Muaj |
|---|---|---|---|---|---|
| CLG970E | 68-72 tons | 350-380 kW | 2-3 | 7-9 | Kev khawb av loj, kev khawb av loj, kev tsim kho vaj tse hnyav |
| CLG975E | 73-77 tons | 380-410 kW | 2-3 | 7-9 | Kev khawb av qhib, kev tshem tawm cov pob zeb loj |
| CLG978E | 78-82 tons | 410-440 kW | 3 | 8-9 | Kev khawb av loj heev, cov haujlwm khawb av loj heev |
Cov tshuab no muaj cov yam ntxwv:
- Cov txheej txheem hnyav hauv qab uas tsim los rau 20,000+ teev kev pabcuam hauv cov xwm txheej mining
- Cov khoom siv hauv kev khawb av thoob plaws, suav nrog cov menyuam nqa khoom uas tau tsim los rau kev ua haujlwm hnyav nrog cov txheej txheem foob zoo dua thiab cov ntaub ntawv tawv tob dua
- Cov tshuab hydraulic siab heev rau kev tsim khoom siab tshaj plaws thiab kev ua haujlwm zoo
- Cov cabins uas tsom mus rau cov neeg tsav tsheb nrog cov txheej txheem saib xyuas thiab tswj hwm tag nrho
- Kev txhawb nqa kev pabcuam thoob ntiaj teb los ntawm Liugong lub network muag khoom thoob ntiaj teb
5.2 Cov Lus Qhia Txog Lub Tshuab Hauv Qab
Lub kaw lus hauv qab rau Liugong E-series cov tshuab chav kawm sawv cev rau lub xeev ntawm cov kos duab hauv kev tsim txoj kev hnyav, muaj cov khoom siv ruaj khov uas tau tsim los rau kev siv hauv kev khawb av:
| Cheebtsam | Cov Lus Qhia Tshwj Xeeb | Cov yam ntxwv ntawm kev khawb av |
|---|---|---|
| Kev Sib Tw Khiav Chain | 260-300 hli | Kev tsim khoom siv ruaj khov thiab lubricated (SALT lossis sib npaug) |
| Dav ntawm Khau Khiav | 700-1000 hli | Ntau qhov dav rau kev ua kom zoo dua ntawm lub zog hauv av |
| Tus naj npawb ntawm cov menyuam khiav | 7-9 ib sab | Cov menyuam kaw ruaj khov nrog ob lub flange configuration |
| Tus naj npawb ntawm cov menyuam nqa khoom | 2-3 ib sab | Cov menyuam sab saud hauv chav kawm mining nrog cov ntsaws ruaj khov zoo dua |
| Kev Ntsuas Kev Taug Kev | 3,000-3,600 hli | Sawv ntsug dav rau kev ruaj khov ntawm cov toj roob hauv pes txog li 30 ° |
| Kev Nyuaj Siab Hauv Av | 80-120 kPa | Optimized rau cov xwm txheej hauv pem teb mine |
Cov menyuam nqa khoom hauv lub kaw lus no yuav tsum txhawb nqa txoj kev sib txuas ntawm cov saw hlau thiab tswj kom sib dhos zoo thaum lub sijhawm txhua theem ntawm kev ua haujlwm tsuas.
5.3 Cov Kev Xav Txog Lub Voj Voog Ua Haujlwm Hauv Kev Ua Liaj Ua Teb rau Liugong E-Series Excavators
Cov menyuam nqa khoom hauv cov ntawv thov kev khawb av muaj kev ua haujlwm hnyav dua li cov ntawv thov kev tsim kho:
- Kev Ua Haujlwm Txuas Ntxiv Mus: Feem ntau 20+ teev hauv ib hnub, 6-7 hnub hauv ib lub lim tiam, nrog rau lub sijhawm tsis ua haujlwm tsawg kawg nkaus
- Kev mus ncig deb heev: Hloov chaw ntau zaus thoob plaws cov chaw khawb av (txog li 5-10 km ib zaug ua haujlwm)
- Av tsis tiaj: Kev ua haujlwm ntawm txoj kev khawb av tsis zoo, pob zeb tawg, thiab cov rooj zaum tsis sib luag
- Kub heev: Txij li thaj chaw txias arctic (-40°C) mus txog rau thaj chaw kub hauv hav zoov (+50°C)
- Kev Ua Phem: Kev raug rau cov hmoov av abrasive (quartz, silicates, hardness 7 Mohs), av nkos, dej, thiab tshuaj lom neeg
- Kev thauj khoom cuam tshuam: Mus ncig hla cov khib nyiab hauv av, hla cov siv conveyor, thiab hla cov av ntxhib
- Kev ua haujlwm ntawm sab nqes hav: Kev khawb av ntawm cov rooj zaum uas muaj nqes hav txog li 30°
Cov xwm txheej no xav tau cov menyuam nqa khoom uas muaj cov lus qhia zoo dua, kev sib khi ruaj khov, thiab kev lees paub zoo dua li cov khoom siv hnyav. Lub rooj sib dhos 14C0539 tau tsim tshwj xeeb los ua kom tau raws li cov kev xav tau no, muaj cov kab sib tw induction-hardened, forged alloy steel, thiab ntau-labyrinth kaw bearing systems tsim rau lub neej ntev hauv cov chaw abrasive.
6. Kev Txheeb Xyuas Kev Ua Haujlwm thiab Kev Cia Siab Lub Neej Ua Haujlwm rau Cov Ntawv Thov Mining
6.1 Cov Qauv Ntsuas rau 70-80 Ton Class Excavator Carrier Rollers
Cov ntaub ntawv los ntawm ntau yam kev ua haujlwm hauv kev khawb av thiab kev tsim kho hnyav muab kev ua tau zoo tiag tiag rau Liugong E-series chav kawm carrier rollers:
| Qhov Hnyav ntawm Daim Ntawv Thov | Ib puag ncig ua haujlwm | Lub Neej Kev Pabcuam Xav Tau |
|---|---|---|
| Kev Tsim Kho Hnyav | Kev tshem av loj, ntau yam av | 6,000-8,000 teev |
| Kev Ua Haujlwm ntawm Chaw Khawb Pob Zeb | Kev ua haujlwm tas mus li, kev txhuam nruab nrab | 5,000-7,000 teev |
| Kev khawb av - Nruab nrab | Cov hlau/cov khib nyiab sib xyaw, cov kev thauj khoom uas tau saib xyuas zoo | 4,500-6,000 teev |
| Kev Khawb Av - Hnyav | Cov hlau uas muaj zog heev (quartz, granite), av ntxhib | 3,500-5,000 teev |
| Kev khawb av - Qhov hnyav heev | Cov xwm txheej uas ua rau muaj kev sib txhuam ntau heev, kev cuam tshuam tas mus li | 2,500-4,000 teev |
Cov khoom siv thauj khoom 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 OEM cov khoom siv hauv chav kawm mining, ua tiav 85-95% ntawm OEM lub neej kev pabcuam ntawm tus nqi qis dua (feem ntau 30-50% qis dua OEM tus nqi).
6.2 Cov Hom Kev Ua Tsis Tau Zoo Feem Ntau Hauv Cov Ntawv Thov Mining-Class Excavator
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 siv rau kev ua haujlwm khawb av:
Kev Ua Tsis Tau Zoo ntawm Lub Seal thiab Kev Ua Phem Nkag Mus: Hom kev ua tsis tau zoo tshaj plaws hauv kev siv hauv kev khawb av (70-80% ntawm kev ua tsis tau zoo), kev ua tsis tau zoo ntawm lub seal ua rau cov khoom sib txhuam nkag mus rau hauv qhov chaw ntawm lub bearing. Cov chaw khawb av uas muaj cov quartz ntau (hardness 7 Mohs) thiab silicates ua rau lub seal hnav thiab kev ua qias tuaj sai dua. Cov tsos mob pib suav nrog:
- Cov roj xau nyob ib puag ncig cov foob (pom tau tias yog ntub dej lossis cov khib nyiab sib sau ua ke)
- Kev ua haujlwm kub nce ntxiv (pom tau los ntawm infrared thermography; 10-20 ° C saum toj no)
- Kev tig tsis zoo thaum muaj kuab paug pib hnav cov kabmob
- Kev nce qib ntawm kev khiav torque
- Cov suab nrov nrov los yog rumbling thaum lub sijhawm ua haujlwm
- Thaum kawg, kev puas tsuaj loj heev los yog kev puas tsuaj loj heev ntawm lub cev
Kev Hnav Khaub Ncaws Ntawm Flange: Kev hnav khaub ncaws ntawm cov ntsej muag flange qhia tau tias qhov tawv ntawm qhov chaw tsis txaus lossis kev sib dhos tsis raug. Hauv cov ntawv thov khawb av, qhov no tuaj yeem ua kom nrawm dua los ntawm:
- Kev ua haujlwm ntau zaus ntawm cov toj roob hauv pes (cov rooj zaum khawb av txog li 30 °)
- Tig nruj rau ntawm cov nplaim abrasive
- Kev sib tsoo tsis sib haum vim yog cov khoom siv puas lawm lossis kev puas tsuaj ntawm lub thav duab
- Kev puas tsuaj los ntawm cov khib nyiab uas raug daig ntawm flange thiab txoj kev sib txuas
Cov cim qhia txog kev hnav tseem ceeb suav nrog kev nyias nyias ntawm qhov dav ntawm flange (txo qhov kev txwv sab) thiab kev loj hlob ntawm cov npoo ntse (kev nce siab ntawm kev ntxhov siab thiab kev pheej hmoo ntawm kev tawm tsam). Kev hloov pauv yog qhia thaum flange tuab raug txo ntau dua 25-30%.
Kev Hnav Thiab Txo Qhov Loj: Lub log tsheb maj mam hnav los ntawm kev sib cuag tas mus li nrog cov bushings ntawm txoj kev. Thaum qhov loj ntawm lub log tsheb txo qis tshaj qhov teev tseg (feem ntau yog 12-16 hli rau qhov loj me no), muaj ntau yam tshwm sim:
| Qhov tshwm sim | Cov nyhuv | Kev puas tsuaj uas tshwm sim |
|---|---|---|
| Txo qhov siab ntawm kev txhawb nqa saw hlau | Kev hloov pauv geometry ntawm kev koom tes | Kev hnav cov saw hlau thiab cov menyuam sai dua |
| Kev sib cuag siab ntxiv | Thaj chaw sib cuag tsawg dua | Kev hnav khaub ncaws sai dua |
| Txo lub kaum sab xis qhwv | Kev taw qhia txo qis | Muaj peev xwm dhia saw hlau |
| Kev thauj khoom dynamic ntau ntxiv | Kev ntaus saw hlau | Kev hnav ntawm lub foob thiab lub pob kabmob sai dua |
Kev Qaug Zog ntawm Cov Kabmob: Tom qab kev pabcuam ntev, cov kabmob yuav ua rau muaj kev tawg vim yog kev qaug zog hauv av, qhia tias cov khoom tau mus txog nws lub neej txwv. Hauv cov ntawv thov kev khawb av, qhov no feem ntau raug ua kom nrawm dua los ntawm:
- Kev thauj khoom ntau dua li qhov xav tau los ntawm thaj chaw hnyav
- Kev puas tsuaj ntawm qhov chaw los ntawm kev sib tsoo ntawm cov foob
- Kev puas tsuaj ntawm cov roj nplua nyeem los ntawm kev ua haujlwm kub siab
- Kev tsis sib haum xeeb los ntawm kev khoov ntawm lub thav duab lossis cov khoom hnav
- Kev cuam tshuam los ntawm cov xwm txheej poob siab
Lub log tsheb sib txuas: Ib sab tiaj tiaj ntawm lub log tsheb qhia tias lub log tsheb sib txuas, feem ntau yog los ntawm xuab zeb thiab/lossis av nkos ntawm lub log tsheb thiab lub thav duab hauv qab. Kev ntxuav tas li pab tiv thaiv qhov xwm txheej no.
6.3 Cov Cim Qhia Txog Kev Hnav Thiab Cov Txheej Txheem Tshuaj Xyuas Rau Kev Ua Haujlwm Hauv Qhov Av
Kev tshuaj xyuas tsis tu ncua ntawm 250 teev (lossis txhua lub lim tiam rau kev ua haujlwm khawb av tas mus li) yuav tsum xyuas seb puas muaj:
- Qhov xwm txheej ntawm lub foob: Cov roj xau, cov khib nyiab sib sau ua ke nyob ib puag ncig lub foob, kev puas tsuaj ntawm lub foob, pov thawj ntawm kev ntxuav tsis ntev los no
- Kev tig ntawm lub menyuam: Kev du, suab nrov, kev khi, kev tiv thaiv kev tig (kos los ntawm tes nrog txoj kab uas tsa). Cov menyuam yuav tsum tig tau ywj pheej - lub menyuam uas raug ntes yuav raug hnav sai sai.
- Kub ua haujlwm: Piv nrog cov menyuam dov uas siv lub ntsuas kub infrared lossis lub koob yees duab thermal
- Qhov xwm txheej ntawm lub flange: Kev ntsuas qhov hnav (tuab), cov npoo ntse, kev puas tsuaj, tawg (pom thiab nrog cov calipers). Kev hnav lossis tawg loj heev yuav tsum tau hloov.
- Cov xwm txheej ntawm cov log tsheb: Kev tshuaj xyuas cov qauv hnav, kev ntsuas txoj kab uas hla (siv daim kab xev pi lossis cov ntsuas loj), kev puas tsuaj ntawm qhov chaw, kev tawg
- Kev ruaj khov ntawm kev teeb tsa: lub zog ntawm lub fastener, qhov xwm txheej ntawm lub bracket, kev sib dhos
- Kev puas tsuaj rau qhov muag: Nrhiav cov kab nrib pleb, cov qhov tob tob, lossis cov qhab nia tseem ceeb ntawm lub plhaub roller
- Kev Xaim: Txhua yam cim qhia tias cov roj tawm ntawm thaj chaw foob qhia tias lub foob tsis ua haujlwm thiab yuav muaj kev puas tsuaj ntawm cov kabmob.
- Cov suab nrov txawv txawv: Sib tsoo, squeaking, khob, rumbling thaum lub sijhawm ua haujlwm
Cov txheej txheem tshuaj xyuas siab heev rau kev ua haujlwm khawb av yuav suav nrog:
- Kev ntsuas tuab ntawm cov ntu ntawm tread thiab flange los ntsuas qhov seem uas tseem tshuav
- Kev tshuaj xyuas cov khoom sib nqus (MPI) ntawm cov ncej thaum lub sijhawm kho dua tshiab kom pom cov kab nrib pleb qaug zog
- Kev thaij duab thermographic los txheeb xyuas qhov kev puas tsuaj ntawm cov kabmob ua ntej ua tsis tiav
- Kev tshuaj xyuas kev co rau cov kev pab cuam txij nkawm ua ntej
7. Kev Teeb Tsa, Kev Txij Nkawm, thiab Kev Txhim Kho Lub Neej Kev Pabcuam rau Cov Ntawv Thov Mining
7.1 Kev Xyaum Txhim Kho Kev Tshaj Lij rau Liugong Mining Excavators
Kev teeb tsa kom raug cuam tshuam rau lub neej ua haujlwm ntawm cov menyuam nqa khoom hauv Liugong E-series tshuab:
Kev Npaj Lub Rooj Tsav Tsheb: Cov chaw teeb tsa ntawm lub rooj tsav tsheb yuav tsum huv, tiaj tus, thiab tsis muaj burrs, xeb, lossis puas tsuaj. Cov kauj ruam tseem ceeb suav nrog:
- Kev ntxuav kom huv si ntawm cov mounting pads thiab bolt qhov
- Kev tshuaj xyuas seb puas muaj kab nrib pleb lossis puas tsuaj nyob ib puag ncig thaj chaw teeb tsa
- Kev ntsuas qhov tiaj tiaj ntawm qhov chaw teeb tsa (yuav tsum nyob hauv 0.2 hli dhau 100 hli)
- Kev tshuaj xyuas thiab hloov cov phaj lossis cov ntaub thaiv uas hnav lawm
- Kev txheeb xyuas qhov sib phim ntawm txoj kab tsheb ciav hlau
Kev Tshuaj Xyuas thiab Kev Npaj Cov Bracket: Cov brackets mounting lawv tus kheej yuav tsum tau kuaj xyuas rau:
- Kev hnav lossis kev hloov pauv ntawm cov chaw teeb tsa
- Kev tawg pib ntawm cov ntsiab lus ntxhov siab
- Kev puas tsuaj los ntawm kev xeb
- Cov xwm txheej ntawm cov xov hauv cov qhov mounting
- Haum rau lub thav duab khiav
Cov Lus Qhia Txog Kev Txuas: Txhua lub bolts mounting yuav tsum yog:
- Qib 12.9 raws li tau teev tseg
- Ntxuav thiab roj me ntsis ua ntej kev teeb tsa
- Siv cov wrenches torque calibrated kom nruj raws li qhov torque uas tau teev tseg
- Nruab nrog cov yam ntxwv xauv tsim nyog (xauv washers, thread locker, locking plates)
- Cim tom qab torquing rau kev kuaj xyuas pom
- Rov ua dua tom qab kev ua haujlwm thawj zaug (feem ntau 50-100 teev)
Kev Txheeb Xyuas Kev Sib Tov: Tom qab kev teeb tsa, xyuas kom tseeb tias:
- Lub log tsheb tau sib dhos kom raug nrog txoj kev sib tw khiav
- Lub log sib cuag nrog txoj saw hlau sib npaug thoob plaws nws qhov dav (kos nrog cov ntsuas feeler)
- Qhov sib txawv ntawm cov flange rau cov txuas txuas yog nyob rau hauv cov lus qhia tshwj xeeb (feem ntau 4-8 hli tag nrho)
- Lub roller tig tau yooj yim yam tsis muaj kev khi lossis cuam tshuam
Kev Kho Qhov Nruj Ntawm Txoj Kev: Tom qab kev teeb tsa tiav lawm, xyuas kom meej tias txoj kev nruj ntawm txoj kev raws li cov lus qhia ntawm lub tshuab. Kev ua haujlwm nrog qhov nruj ntawm txoj kev tsis raug yuav ua rau muaj kev ntxhov siab tsis zoo rau cov menyuam thiab cov kabmob, ua rau ua tsis tiav ua ntej lub sijhawm. Rau cov tshuab khawb av 70-80 tuj hauv kev siv hauv kev khawb av, qhov sag kom raug feem ntau yog 40-60 hli ntsuas ntawm qhov chaw nruab nrab ntawm txoj kev khiav qis dua ntawm lub idler pem hauv ntej thiab thawj txoj kev dov.
7.2 Cov Txheej Txheem Kev Txij Nkawm Tiv Thaiv rau Kev Ua Haujlwm Khawb Av
Kev Tshuaj Xyuas Tsis Tu Ncua: Kev tshuaj xyuas pom ntawm 250 teev ib zaug (txhua lub lim tiam rau kev ua haujlwm khawb av tas mus li) yuav tsum kuaj xyuas txhua qhov qhia txog kev hnav uas tau piav qhia ua ntej. Kev tshuaj xyuas ntau zaus (kev taug kev txhua hnub) yuav tsum suav nrog kev kuaj xyuas pom rau qhov xau ntawm lub foob, kev puas tsuaj, lossis tej yam tsis zoo.
Kev Tswj Xyuas Qhov Ntswg Ntawm Txoj Kev: Qhov nro ntawm txoj kev kom raug cuam tshuam ncaj qha rau lub neej ntawm cov menyuam nqa khoom. Qhov nro ntau dhau ua rau cov khoom thauj hnyav dua; qhov nro tsis txaus ua rau cov saw hlau sib tsoo uas ua rau lub foob puas sai dua thiab ua rau cov khoom cuam tshuam ntau dua. Xyuas qhov nro:
- Txhua lub sijhawm pabcuam 250 teev
- Tom qab 10 teev thawj zaug ntawm cov khoom tshiab
- Thaum cov xwm txheej ua haujlwm hloov pauv ntau heev (piv txwv li, tsiv ntawm thaj chaw mos mus rau thaj chaw pob zeb)
- Thaum pom tus cwj pwm tsis zoo ntawm txoj kev (suab ntaus, suab quaj, hnav tsis sib xws)
Cov Txheej Txheem Ntxuav: Txawm hais tias tsim los rau cov xwm txheej hnyav, kev ua haujlwm hauv cov khoom siv nplaum, zoo li av nplaum uas ntim ntawm lub log thiab lub thav duab ntawm txoj kev tuaj yeem ua rau muaj kev ntxhov siab thiab ua rau hnav sai dua. Pom zoo kom ntxuav tsis tu ncua. Txawm li cas los xij, yuav tsum tau ua kom huv si:
- Tsis txhob ntxuav nrog lub tshuab ntxuav siab uas ncaj qha rau thaj chaw kaw, uas tuaj yeem ua rau cov khoom ua qias tuaj yeem dhau cov kaw.
- Siv dej uas muaj zog tsawg (qis dua 1,500 psi) rau kev ntxuav dav dav
- Tshem tawm cov khib nyiab uas tau sib sau ua ke ntawm cov rollers thaum lub sijhawm tshuaj xyuas txhua hnub siv cov scrapers lossis cua compressed
- Cia cov khoom kom qhuav ua ntej lub sijhawm tsis ua haujlwm ntev hauv huab cua txias
Kev Siv Lubrication: Rau cov menyuam nqa khoom uas muaj cov bearings kaw (Lube-for-Life designs), tsis tas yuav siv lubrication ntxiv thaum lub sijhawm ua haujlwm. Cov bearings tau muab lubricated ua ntej ntawm lub hoobkas nrog cov roj EP zoo.
Cov Kev Xav Txog Kev Ua Haujlwm: Cov kev coj ua ntawm tus neeg teb xov tooj cuam tshuam rau lub neej ntawm cov menyuam nqa khoom:
- Txo qhov kev mus los ceev ceev ntawm thaj chaw tsis zoo (txo qhov ceev kom txog 2-3 km/h ntawm thaj chaw tsis zoo)
- Tsis txhob hloov pauv kev taw qhia sai sai uas ua rau muaj kev thauj khoom ntau ntawm sab
- Khaws qhov nro ntawm txoj kab kom raug kho rau cov xwm txheej
- Qhia txog cov suab nrov lossis kev siv tsis zoo tam sim ntawd
- Tsis txhob siv cov khoom siv khiav uas puas lawm uas yuav ua rau cov menyuam tshiab hnav sai dua
7.3 Cov Qauv Kev Hloov Pauv rau Cov Ntawv Thov Mining
Cov menyuam nqa khoom rau Liugong E-series chav kawm tshuab yuav tsum tau hloov thaum:
- Qhov xau ntawm lub foob pom tseeb thiab tsis tuaj yeem nres (pom cov roj poob, cov khib nyiab sib sau ua ke qhia tias muaj kev xau).
- Kev ua si radial tshaj qhov chaw tsim khoom cov lus qhia (feem ntau 4-6 hli ntsuas ntawm tread nrog txoj kev tsa)
- Kev ua si axial tshaj qhov chaw tsim khoom cov lus qhia (feem ntau 3-5 hli)
- Kev hnav ntawm lub flange ua rau txo qhov ua tau zoo ntawm kev taw qhia (qhov tuab ntawm lub flange txo qis ntau dua 25-30%)
- Kev puas tsuaj ntawm flange suav nrog kev tawg, kev tawg, lossis kev hloov pauv loj heev
- Kev hnav ntawm cov log tsheb ntau dua qhov tob ntawm cov ntaub ntawv tawv (feem ntau thaum txo qhov loj tshaj 12-16 hli)
- Kev txo qhov dav ntawm lub log tsheb ua rau kev txhawb nqa txoj saw tsis zoo (pom kev hloov pauv ntawm tus qauv saw sag)
- Kev tawg ntawm qhov chaw cuam tshuam ntau dua 10-15% ntawm thaj chaw sib cuag
- Kev tig ntawm cov kabmob ua rau ntxhib, nrov nrov, lossis tsis xwm yeem (lub zog khiav ceev ntxiv)
- Lub log tsheb daig (sab tiaj tiaj pom tau) vim muaj kuab paug
- Kev puas tsuaj uas pom tseeb suav nrog kev tawg, kev puas tsuaj los ntawm kev cuam tshuam, lossis kev hloov pauv
- Kev ruaj khov ntawm kev teeb tsa raug cuam tshuam los ntawm cov brackets hnav lossis puas lawm
7.4 Txoj Kev Hloov Pauv Raws Li Lub Txheej Txheem Rau Kev Ua Haujlwm Mining
Rau qhov kev ua tau zoo tshaj plaws hauv qab thiab kev siv nyiaj tsim nyog hauv kev siv cov khoom siv mining, qhov xwm txheej ntawm lub carrier roller yuav tsum tau soj ntsuam nrog rau:
- Txoj Kev Sib Tw: Kev hnav ntawm tus pin thiab bushing (ntsuas ua % ntawm txoj kab uas hla thawj, feem ntau yog 5-8% qhov hloov pauv), qhov xwm txheej ntawm txoj kev tsheb ciav hlau (qhov siab txo qis, qhov profile hnav), qhov ua tau zoo ntawm lub foob, qhov ntev tag nrho (feem ntau yog 2-3% qhov hloov pauv rau kev khawb av)
- Cov menyuam dov khiav (hauv qab): Qhov xwm txheej ntawm lub foob, kev hnav ntawm lub log, thiab qhov xwm txheej ntawm cov menyuam dov khiav thoob plaws txhua lub menyuam dov
- Pem Hauv Ntej Idler: Tread thiab flange mob, bearing mob, yoke hnav
- Sprocket: Cov hniav hnav profile (hlua hnav, hniav nyias), qhov xwm txheej ntawm ntu, kev sib dhos ua ke
- Lub thav duab ntawm txoj kev: Kev sib dhos, qhov xwm txheej ntawm daim phaj hnav, kev ua kom ruaj khov ntawm cov qauv
Kev hloov cov khoom uas puas lawm hnyav heev rau hauv cov khoom sib phim yog qhov kev coj ua zoo tshaj plaws los tiv thaiv kev puas tsuaj sai ntawm cov khoom tshiab. Kev coj ua zoo tshaj plaws hauv kev lag luam pom zoo:
| Txoj Kev Hloov Pauv | Cov Lus Pom Zoo | Kev piav qhia |
|---|---|---|
| Hloov ua khub | Cov menyuam nqa khoom ntawm ob sab ua ke | Tswj kev ua tau zoo ntawm txoj kev sib tw |
| Hloov ua pawg | Tag nrho cov rollers ntawm ib sab thaum ntau yam qhia hnav | Tiv thaiv kom tsis txhob muaj kev puas tsuaj sai ntawm cov khoom tshiab |
| Kev hloov pauv ntawm lub kaw lus | Tag nrho cov hauv qab thaum saw, rollers, idler, sprocket hnav tag nrho | Tus nqi pheej yig tshaj plaws ntawm 8,000-12,000 teev |
| Teem sijhawm thaum lub sijhawm pabcuam loj | Txoj kev npaj thaum lub sijhawm kaw kev saib xyuas tiv thaiv | Txo qhov cuam tshuam ntawm kev tsim khoom |
Rau cov haujlwm khawb av uas muaj ntau lub tshuab, kev tsim cov ntaub ntawv txog lub neej ntawm cov khoom siv ua rau muaj kev npaj hloov pauv tau zoo, ua kom cov khoom seem zoo dua qub thiab txo qhov tsis ua haujlwm uas tsis tau npaj tseg. Cov ntsuas tseem ceeb uas yuav tsum taug qab suav nrog:
- Teev rau thawj zaug ntsuas tau hnav
- Tus nqi hnav (mm ib 1,000 teev) nyob rau hauv cov xwm txheej tshwj xeeb
- Cov hom kev ua tsis tiav thiab kev tshuaj xyuas cov hauv paus ua rau
- Kev sib piv kev ua tau zoo ntawm cov neeg muab khoom
- Kev cuam tshuam ntawm cov xwm txheej ua haujlwm (hom hlau, av, kev coj ua ntawm tus neeg teb xov tooj) rau lub neej
8. Kev Xav Txog Kev Nrhiav Khoom Siv Rau Kev Ua Haujlwm Mining
8.1 Kev Txiav Txim Siab OEM vs. Aftermarket rau Mining-Class Excavators
Cov thawj coj saib xyuas cov khoom siv khawb av yuav tsum soj ntsuam OEM piv rau kev txiav txim siab zoo tom qab kev lag luam 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 mining nrog ntau lub tshuab Liugong E-series ua haujlwm 5,000+ teev txhua xyoo, qhov sib txawv no tuaj yeem sawv cev rau kev txuag nyiaj txhua xyoo. Tag nrho cov nqi ntawm kev muaj tswv cuab yuav tsum suav nrog:
| Tus Nqi Tseem Ceeb | Kev Xav Txog OEM | Kev Xav Txog Tom Qab Kev Lag Luam |
|---|---|---|
| Tus Nqi Yuav Khoom Pib | Lub hauv paus | 30-50% qis dua |
| Lub Neej Kev Pabcuam Xav Tau | Lub hauv paus | 85-95% ntawm OEM |
| Tus nqi ua haujlwm txij nkawm | Zoo sib xws | Zoo sib xws |
| Tus nqi them rau lub sijhawm tsis ua haujlwm | Zoo sib xws | Zoo sib xws |
| Kev Pov Hwm Kev Pov Hwm | 1-2 xyoos | 1-2 xyoos |
| Muaj Cov Khoom seem | Hloov tau (tej zaum yuav ncua sijhawm) | Feem ntau sai dua (4-8 lub lis piam) |
| Tus nqi nqa khoom muag | Siab dua | Qis dua |
Kev Sib Npaug Zoo: Cov chaw tsim khoom lag luam zoo tshaj plaws ua tiav kev ua tau zoo sib npaug nrog OEM cov khoom siv hauv chav kawm mining los ntawm:
- Cov lus qhia txog cov khoom sib npaug (SAE 4140/42CrMo/50Mn nrog cov tshuaj lom neeg tau ntawv pov thawj)
- Cov txheej txheem kho cua sov sib piv (core 280-350 HB, nto HRC 58-62, qhov tob ntawm lub thawv 8-12 hli)
- Cov txheej txheem kaw lus rau kev khawb av nrog kev tiv thaiv kev ua qias tuaj ntau theem
- Cov khoom sib phim los ntawm cov chaw tsim khoom muaj npe nrov (Timken®, NTN, KOYO, SKF)
- Kev tswj xyuas zoo nrog 100% NDT ntawm cov khoom tseem ceeb
- ISO 9001: 2015 daim ntawv pov thawj zoo tswj system
Cov txheej txheem zoo ntawm CQC TRACK ua kom muaj qhov zoo sib xws rau cov kev siv mining uas xav tau tshaj plaws.
Kev Xav Txog Kev Lav: Cov kev lav OEM feem ntau npog 1-2 xyoos nrog cov nqe lus tshwj xeeb. Cov chaw tsim khoom lag luam tom qab muag uas muaj koob npe nrov muab cov kev lav zoo sib xws uas npog cov teeb meem tsim khoom, nrog rau lub sijhawm them nqi tsim nyog rau cov ntawv thov mining thiab kev ywj pheej txog cov chaw muab kev teeb tsa. Cov kev xav txog kev lav tseem ceeb:
- Scope ntawm kev siv (cov ntaub ntawv, kev ua haujlwm, kev ua tau zoo raws li cov lus qhia)
- Cov nqe lus faib ua feem (kev hloov pauv tag nrho piv rau kev faib ua feem raws sijhawm)
- Lub sijhawm ua daim ntawv thov thiab cov kev cai (cov ntaub ntawv, kev tso cai xa rov qab)
- Kev pabcuam hauv thaj teb rau kev txheeb xyuas qhov kev thov
- Cov kev xaiv hloov ua ntej rau cov khoom tseem ceeb
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 - kev txiav txim siab tseem ceeb rau kev ua haujlwm tsuas yog qhov twg cov nqi tsis ua haujlwm tuaj yeem loj heev. Cov chaw tsim khoom tom qab muag nrog kev tsim khoom hauv zos feem ntau xa khoom hauv 4-8 lub lis piam, nrog rau kev ceev nrooj thaum muaj xwm txheej ceev rau cov xwm txheej tseem ceeb (sai li 2-3 lub lis piam). CQC TRACK txoj kev tsim khoom sib xyaw ua ke ua rau:
- Kev ua tiav kev txiav txim raws li qhov xav tau ntawm tus qauv thiab kev cai
- Cov kev pab cuam muag khoom rau cov khoom siv uas xav tau ntau
- Cov chaw tsim khoom thaum muaj xwm txheej ceev rau cov kev xav tau tseem ceeb
- Cov kev xaiv khoom xa tuaj rau cov nkoj loj
Kev Txhawb Nqa: Cov neeg muag khoom tom qab muag uas muaj kev txawj ntse hauv kev tsim kho av tuaj yeem muab:
- Kev txhawb nqa kev siv tshuab rau cov xwm txheej ua haujlwm tshwj xeeb (hom hlau, av, huab cua)
- Kev hloov kho tshwj xeeb rau cov kev xav tau tshwj xeeb (cov foob txhim kho, cov ntaub ntawv hloov kho)
- Kev pabcuam hauv thaj teb rau kev teeb tsa thiab kev daws teeb meem
- Cov ntaub ntawv txog lub neej ntawm cov khoom siv rau kev npaj txij nkawm ua ntej
- Kev cob qhia rau cov neeg ua haujlwm txij nkawm
- Cov kev pab cuam tshuaj xyuas qhov ua tsis tiav (kev txiav txim siab qhov ua rau muaj teeb meem)
8.2 Cov Qauv Ntsuas Kev Muab Khoom Rau Cov Ntawv Thov Mining
Cov kws tshaj lij kev yuav khoom rau kev ua haujlwm tsuas yuav tsum siv cov qauv kev ntsuam xyuas nruj thaum ntsuam xyuas cov neeg muab khoom siv thauj khoom:
Kev Ntsuam Xyuas Peev Xwm Tsim Khoom: Kev ntsuam xyuas qhov chaw yuav tsum xyuas kom meej tias muaj:
- Cov khoom siv forging loj rau cov khoom siv hauv chav kawm mining (8,000+ tuj presses)
- CNC machining chaw nrog precision peev xwm (± 0.01 hli) thiab muaj peev xwm loj-envelope
- Cov chaw kho cua sov nrog kev tswj huab cua, cov tshuab quenching, thiab cov cub tawg tempering
- Cov chaw ua kom tawv tawv nrog kev saib xyuas thiab kev txheeb xyuas cov txheej txheem
- Ntxuav cov chaw sib dhos nrog kev tswj kev ua qias tuaj rau kev teeb tsa lub foob
- Cov chaw kuaj mob (UT, MPI, CMM, chaw kuaj mob metallurgical, cov cuab yeej kuaj mob hardness, lub rooj sib tw khiav kuaj mob)
Cov Txheej Txheem Tswj Xyuas Zoo: Daim ntawv pov thawj ISO 9001: 2015 sawv cev rau tus qauv tsawg kawg nkaus rau cov khoom siv hauv kev khawb av. Kev ua raws li cov txheej txheem sau tseg thiab cov txheej txheem taug qab yog qhov tseem ceeb.
Kev Pom Tseeb Txog Cov Khoom Siv thiab Cov Txheej Txheem: Cov chaw tsim khoom muaj koob npe zoo npaj txhij muab:
- Cov ntawv pov thawj khoom siv (MTRs) nrog cov tshuaj lom neeg thiab cov khoom siv kho tshuab tag nrho
- Cov ntaub ntawv pov thawj thiab cov ntaub ntawv pov thawj ntawm kev kho cua sov
- Cov ntawv ceeb toom tshuaj xyuas rau kev txheeb xyuas qhov ntev thiab NDT
- Muaj peev xwm kuaj qauv rau kev txheeb xyuas cov neeg siv khoom
- Kev tshuaj xyuas hlau raws li qhov kev thov
- Cov duab qhia txog cov txheej txheem thiab cov phiaj xwm tswj hwm
- Khiav cov ntawv qhia kev xeem
Kev Paub thiab Lub Koob Npe: Cov neeg muab khoom uas muaj ntau tshaj 20 xyoo ntawm kev paub hauv kev siv cov khoom siv mining qhia tau tias muaj peev xwm ua tau zoo. CQC TRACK muaj 20+ xyoo ntawm kev tsim khoom tsim khoom muab kev ntseeg siab rau qhov zoo thiab kev ntseeg siab.
Kev Ruaj Ntseg Nyiaj Txiag: Kev sib raug zoo mus sij hawm ntev xav tau cov neeg koom tes ruaj khov nyiaj txiag nrog cov chaw muaj thiab kev nqis peev tas mus li hauv kev tsim khoom. CQC TRACK cov chaw muaj hauv Quanzhou qhia txog kev cog lus thiab kev ruaj khov mus sij hawm ntev.
8.3 Qhov Zoo ntawm CQC TRACK rau Liugong Mining Applications
CQC TRACK muaj ntau qhov zoo sib txawv rau Liugong mining excavator undercarriage kev yuav khoom:
- 20+ Xyoo Kev Paub Txog Kev Tsim Khoom: Kev txawj ntse tob hauv metallurgy thiab tribology tshwj xeeb rau cov kab ke khiav
- Peb Lub Tuam Txhab Tsim Khoom Zoo Tshaj Plaws hauv Quanzhou: Txoj haujlwm paub zoo hauv Suav teb cov chaw tsim khoom hauv qab tsheb loj tshaj plaws
- Kev Muaj Peev Xwm Tsim Khoom Hauv Chav Kawm Mining: Cov khoom tsim tshwj xeeb rau kev siv mining hnyav
- Kev Tswj Xyuas Kev Tsim Khoom Ua Ke: Kev sib koom ua ke tag nrho ntawm kev nrhiav khoom siv mus txog rau kev sib dhos zaum kawg ua kom muaj qhov zoo sib xws thiab kev taug qab tiav
- Cov Khoom Siv Zoo Tshaj Plaws: Cov hlau sib xyaw ua ke zoo tshaj plaws SAE 4140/42CrMo nrog qhov nyuaj ntawm qhov chaw HRC 58-62, qhov tob ntawm lub thawv 8-12 hli, siv cov hlau sib xyaw ua ke zoo, tiv taus kev cuam tshuam
- Kev Sib Nqus Qib Hauv Kev Khawb Av: Cov txheej txheem sib nqus ntau theem siab heev nrog cov qauv labyrinth, ntau daim di ncauj sib nqus tsim los kom tshem tawm cov khoom tsis huv thaum tseem khaws cov roj EP kub siab.
- Kev Ntsuam Xyuas Zoo Tag Nrho: Cov txheej txheem kuaj xyuas zoo dua suav nrog 100% kev tshuaj xyuas UT, MPI, CMM kev txheeb xyuas, kev sim tiv thaiv kev sib hloov, thiab kev txheeb xyuas qhov xau ntawm lub foob
- ISO 9001: 2015 Daim Ntawv Pov Thawj: Kev tswj hwm zoo thoob ntiaj teb
- Kev Muaj Peev Xwm Muab Khoom Thoob Ntiaj Teb: Lub sijhawm ua khoom txhim khu kev qha los ntawm Quanzhou nrog kev nkag mus rau chaw nres nkoj zoo (Xiamen, Quanzhou)
- Kev Lag Luam Sib Tw: 30-50% txuag tau nqi thaum tseem tswj tau qhov zoo ntawm kev khawb av
- Kev Txhawb Nqa Engineering: Kev hloov kho tau raws li qhov xwm txheej tshwj xeeb, nrog ODM engineering ua raws li "Failure-Mode-Driven" txoj hauv kev
- Cov Khoom Siv Tag Nrho: Cov kab ke hauv qab tsheb suav nrog cov menyuam, idlers, sprockets, cov saw hlau, thiab cov khau khiav
9. Xaus Lus thiab Cov Lus Qhia Tseem Ceeb rau Kev Ua Haujlwm Mining
Lub Liugong 14C0539 khiav lub log sib dhos rau CLG970E, CLG975E, thiab CLG978E excavators sawv cev rau ib qho khoom siv hauv chav kawm mining uas muaj kev ua tau zoo uas cuam tshuam ncaj qha rau kev muaj tshuab, tus nqi ua haujlwm, thiab kev tsim khoom hauv qhov av. Kev nkag siab txog cov txheej txheem kev txawj ntse - los ntawm kev xaiv cov hlau (SAE 4140 / 42CrMo / 50Mn) thiab kev forging methodology los ntawm kev ua haujlwm precision, cov kab ke bearing, thiab ntau theem mining-qib seal tsim - ua rau cov thawj coj khoom siv mining txiav txim siab txog kev yuav khoom uas sib npaug tus nqi pib tawm tsam tag nrho tus nqi ntawm kev muaj nyob rau hauv cov ntawv thov uas xav tau tshaj plaws.
Rau kev ua haujlwm tsuas siv Liugong's 70-80 tuj chav kawm E-series excavators, cov lus qhia tseem ceeb hauv qab no tshwm sim los ntawm qhov kev tshuaj xyuas no:
- Muab qhov tseem ceeb rau cov lus qhia tshwj xeeb rau qib kev khawb av dua li cov khoom siv hnyav, txheeb xyuas cov qib khoom siv (SAE 4140/42CrMo nyiam dua), cov kev kho cua sov (core 280-350 HB, nto HRC 58-62, qhov tob ntawm lub thawv 8-12 hli), thiab tsim lub kaw lus foob rau cov chaw muaj kuab paug hnyav.
- Xyuas kom meej tias lub kaw lus kaw ruaj khov, lees paub tias cov ntsaws ruaj khov ntau theem nrog cov ntsaws ruaj khov ntab, cov ntsaws ruaj ruaj HNBR, thiab cov tiv thaiv plua plav labyrinth muab kev tiv thaiv tseem ceeb hauv qhov chaw khawb av nrog cov hmoov av quartz thiab silicate.
- Tshuaj xyuas cov neeg muab khoom los ntawm lub lens muaj peev xwm khawb av, nrhiav pov thawj ntawm cov khoom loj loj (8,000+ tuj nias), cov khoom siv CNC niaj hnub, muaj peev xwm kho cua sov rau cov ntu loj, thiab cov chaw NDT tiav (UT, MPI, CMM, kev khiav kev sim).
- Xav tau cov khoom siv thiab cov txheej txheem kom pom tseeb, thov cov ntawv pov thawj khoom siv (MTRs), cov ntaub ntawv kho cua sov (cov ntaub ntawv kub thiab txias), cov ntawv qhia kev tshuaj xyuas, thiab cov ntaub ntawv xeem khiav - qhov tseem ceeb rau cov khoom uas yuav tsum ua haujlwm tau zoo hauv qab cov khoom hnyav heev.
- Paub meej tias qhov tseeb ntawm kev siv cov ntaub ntawv sib txuas thaum hloov cov khoom lag luam tom qab rau OEM qhov lej 14C0539, kom ntseeg tau tias sib xws nrog Liugong qauv tshwj xeeb (CLG970E, CLG975E, lossis CLG978E) thiab xyoo tsim khoom.
- Siv cov txheej txheem kev saib xyuas uas tsim nyog rau kev khawb av, suav nrog kev tshuaj xyuas tsis tu ncua rau qhov xwm txheej ntawm lub foob, kev hnav ntawm lub log, thiab kev ruaj khov ntawm lub flange, nrog rau kev saib xyuas kom tiv thaiv cov menyuam yaus kom tsis txhob lo rau ntawm cov khoom thiab siv cov txheej txheem kwv yees xws li thermography thiab kev tshuaj xyuas kev co rau kev kuaj pom qhov ua tsis tiav thaum ntxov.
- Txais yuav cov tswv yim hloov pauv raws li lub kaw lus, soj ntsuam qhov xwm txheej ntawm cov menyuam nqa khoom nrog rau cov saw hlau, cov menyuam hauv qab, idler, thiab sprocket kom ua tau zoo tshaj plaws hauv qab tsheb thauj khoom thiab tiv thaiv kev hnav sai ntawm cov khoom tshiab.
- Tsim kom muaj kev koom tes zoo nrog cov chaw tsim khoom xws li CQC TRACK uas qhia txog kev txawj ntse hauv kev khawb av, 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.
- Xav txog tag nrho cov nqi ntawm kev muaj, soj ntsuam cov kev xaiv tom qab kev lag luam uas muab 30-50% kev txuag nqi thaum tswj hwm qhov zoo hauv chav kawm mining thiab kev ua tau zoo sib npaug nrog OEM cov khoom.
- Tsim kom muaj kev taug qab lub neej ntawm cov khoom siv los tsim cov ntaub ntawv kev ua tau zoo ntawm qhov chaw rau kev npaj hloov pauv, ua kom muaj kev txhim kho tas mus li hauv kev xaiv cov khoom siv raws li qhov tseeb ntawm cov hlau thiab cov xwm txheej ua haujlwm.
Los ntawm kev siv cov ntsiab cai no, kev ua haujlwm khawb av tuaj yeem tau txais cov kev daws teeb meem hauv qab uas txhim khu kev qha thiab pheej yig uas tswj tau qhov ua tau zoo ntawm cov khawb av thaum ua kom zoo dua qub rau kev ua haujlwm mus sij hawm ntev - lub hom phiaj kawg ntawm kev tswj cov khoom siv tshaj lij hauv qhov chaw khawb av sib tw niaj hnub no.
CQC TRACK, ua ib lub chaw tsim khoom tshwj xeeb uas muaj ntau tshaj 20 xyoo ntawm kev paub dhau los, muaj peev xwm tsim khoom sib xyaw, thiab kev lees paub zoo rau cov ntawv thov mining nyob hauv Quanzhou, Suav teb, sawv cev rau qhov chaw muaj txiaj ntsig rau Liugong 14C0539 carrier roller assemblies, muab OEM-zoo nrog cov nqi zoo ntawm kev tsim khoom tshwj xeeb hauv Suav teb.
Cov Lus Nug Feem Ntau (FAQ) rau Cov Ntawv Thov Mining
Q: Lub neej ua haujlwm ib txwm ntawm Liugong 14C0539 carrier roller ntawm CLG970E / 975E / 978E excavators hauv cov ntawv thov mining yog dab tsi?
A: Lub neej ua haujlwm txawv nrog rau cov xwm txheej ua haujlwm: kev tsim kho hnyav 6,000-8,000 teev, kev ua haujlwm hauv chaw txua zeb 5,000-7,000 teev, kev khawb av nruab nrab 4,500-6,000 teev, kev khawb av hnyav 3,500-5,000 teev, kev khawb av hnyav heev 2,500-4,000 teev.
Q: Kuv yuav ua li cas thiaj paub tseeb tias lub tshuab nqa khoom tom qab muag ua tau raws li Liugong OEM cov lus qhia?
A: Thov cov ntawv qhia txog kev sim khoom siv (MTRs) uas lees paub txog cov tshuaj lom neeg ntawm cov hlau (SAE 4140/42CrMo/50Mn nyiam dua), cov ntaub ntawv pov thawj qhov nyuaj (core 280-350 HB, nto HRC 58-62, qhov tob ntawm lub thawv 8-12 hli), 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: Dab tsi sib txawv ntawm cov menyuam nqa khoom zoo hauv kev khawb av los ntawm cov khoom siv hnyav?
A: Cov khoom siv zoo hauv kev khawb av muaj cov yam ntxwv ntawm cov khoom siv txhim kho (SAE 4140), qhov tob ntawm cov ntaub ntawv tawv dua (8-12 hli), kev xaiv cov kabmob ruaj khov dua nrog cov ntsuas kev thauj khoom siab dua, cov txheej txheem sib khi ntau theem rau kev ua qias tuaj ntau heev, 100% kev sim tsis puas tsuaj, thiab lub neej ua haujlwm ntev.
Q: Kuv yuav ua li cas thiaj paub qhov ua tsis tiav ntawm lub foob ua ntej muaj kev puas tsuaj loj heev hauv cov ntawv thov mining?
A: Kev tshuaj xyuas tas li yuav tsum xyuas seb puas muaj roj xau nyob ib puag ncig cov foob (pom tau tias yog ntub lossis cov khib nyiab sib sau ua ke). Kev thaij duab thermographic tuaj yeem txheeb xyuas qhov kev puas tsuaj ntawm cov kabmob los ntawm qhov kub nce (10-20 ° C saum toj no qhov pib). Kev tig tsis zoo thaum lub sijhawm kuaj xyuas txij nkawm (los ntawm tes nrog txoj kab uas tsa) kuj qhia txog kev puas tsuaj ntawm cov foob.
Q: Dab tsi ua rau cov menyuam yaus ua ntej lub sijhawm hnav hauv cov ntawv thov mining?
A: Cov laj thawj feem ntau suav nrog kev ua tsis tiav ntawm lub foob uas tso cai rau cov khoom tsis huv nkag mus (feem ntau, 70-80% ntawm kev ua tsis tiav), kev nruj ntawm txoj kev tsis raug (qhov nruj dhau lossis xoob dhau), kev ua haujlwm hauv cov ntaub ntawv uas muaj zog heev (quartz, granite, hlau ore), kev sib xyaw cov menyuam tshiab nrog cov khoom siv khiav uas hnav lawm, thiab kev ua qias tuaj ua rau cov menyuam lo.
Q: Kuv yuav ua li cas thiaj paub tias lub log tsheb twg daig?
A: Ib sab tiaj tiaj ntawm lub log qhia tias lub log nqa khoom daig, feem ntau yog los ntawm xuab zeb thiab/lossis av nkos ntawm lub log thiab lub thav duab hauv qab. Kev ntxuav tas li pab tiv thaiv qhov xwm txheej no.
Q: Kuv puas yuav tsum hloov cov menyuam nqa khoom ib tus zuj zus lossis ua khub ntawm 70-80 tuj chav kawm excavators?
A: Kev coj ua zoo tshaj plaws hauv kev lag luam pom zoo kom hloov cov menyuam nqa khoom 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 muab khoom zoo tom qab kev lag luam rau cov menyuam nqa khoom hauv chav kawm mining?
A: Cov chaw tsim khoom lag luam tom qab muaj koob npe zoo li CQC TRACK feem ntau muab 1-2 xyoo lav rau kev tsim khoom tsis zoo, nrog rau lub sijhawm them nqi tsim nyog rau cov ntawv thov mining.
Q: Cov menyuam nqa khoom tom qab kev lag luam puas tuaj yeem hloov kho rau cov xwm txheej tshwj xeeb ntawm kev khawb av?
A: Yog lawm, cov chaw tsim khoom uas muaj kev paub dhau los xws li CQC TRACK muab cov kev xaiv kho kom haum rau cov neeg siv khoom, suav nrog cov txheej txheem foob kom zoo dua rau kev ua qias tuaj ntau heev, cov qib khoom siv hloov kho rau cov hom ore tshwj xeeb, thiab kev hloov kho geometry rau cov ntawv thov tshwj xeeb, ua raws li "Failure-Mode-Driven" ODM engineering approach.
Q: Cov cim qhia txog kev hnav khaub ncaws tseem ceeb rau kev khawb av excavator carrier rollers yog dab tsi?
A: Cov cim qhia txog kev hnav tseem ceeb suav nrog kev xau ntawm lub foob, txo qis ntawm sab nraud (tshaj 12-16 hli), flange hnav (qhov tuab txo qis tshaj 25-30%), kev ua si radial tsis zoo (tshaj 4-6 hli), kev tig tsis zoo, cov menyuam lo (sab tiaj tus), thiab kev puas tsuaj pom.
Q: Yuav tsum kuaj xyuas qhov nruj ntawm txoj kab ntawm Liugong E-series excavators ntau npaum li cas hauv kev ua haujlwm tsuas?
A: Yuav tsum kuaj xyuas qhov nro ntawm txoj kev khiav txhua 250 teev (txhua lub lim tiam rau kev ua haujlwm khawb av tas mus li), tom qab kev teeb tsa cov khoom tshiab, thaum cov xwm txheej kev ua haujlwm hloov pauv, thiab thaum twg pom tus cwj pwm tsis zoo ntawm txoj kev khiav (swb, quaj, hnav tsis sib xws).
Q: Cov txiaj ntsig ntawm kev nrhiav los ntawm CQC TRACK rau Liugong mining excavator Cheebtsam yog dab tsi?
A: CQC TRACK muab cov nqi sib tw (30-50% qis dua OEM), ntau tshaj 20 xyoo ntawm kev tsim khoom, peb qhov chaw tsim khoom zoo tshaj plaws hauv Quanzhou, muaj peev xwm tsim khoom hauv chav kawm mining nrog cov khoom siv zoo tshaj plaws thiab HRC 58-62 qhov nyuaj ntawm qhov chaw, cov txheej txheem sealing ntau theem siab heev, kev lees paub zoo (ISO 9001: 2015 tau ntawv pov thawj, 100% UT kev tshuaj xyuas), thiab kev txawj ntse hauv kev siv mining.
Q: Cov kev coj ua txij nkawm twg ua rau lub neej ntawm cov menyuam nqa khoom ntev dua hauv kev ua haujlwm tsuas?
A: Cov kev coj ua tseem ceeb suav nrog kev saib xyuas qhov nruj ntawm txoj kab, kev tshuaj xyuas tsis tu ncua rau qhov xwm txheej ntawm lub foob thiab kev kuaj pom thaum ntxov, kev ntxuav tsis tu ncua kom tiv thaiv cov menyuam tsis txhob lo, zam kev ntxuav siab ntawm cov foob, hloov pauv sai sai thaum muaj kev hnav ntau dhau, thiab cov tswv yim hloov pauv raws li lub kaw lus.
Q: CQC TRACK nyob qhov twg?
A: CQC TRACK nyob hauv Quanzhou, Fujian Province, Suav teb—ib lub koom haum kev lag luam tseem ceeb rau kev tsim cov tshuab siv hauv kev tsim kho nrog kev nkag mus rau cov chaw nres nkoj loj thoob ntiaj teb (Xiamen, Quanzhou) rau kev faib khoom thoob ntiaj teb zoo.
Q: CQC TRACK puas muaj kev paub txog Liugong cov khoom hauv qab?
A: Yog, CQC TRACK tsim ntau yam khoom siv hauv qab rau ntau tus qauv Liugong excavator, suav nrog E-series (CLG970E, CLG975E, CLG978E) thiab cov qauv qub, nrog kev txawj ntse hauv kev tsim cov khoom OEM zoo.
Tsab ntawv tshaj tawm txog kev siv tshuab no yog rau cov thawj coj khoom siv tshaj lij, cov kws tshaj lij kev yuav khoom, thiab cov neeg ua haujlwm txij nkawm hauv kev ua haujlwm khawb av thiab kev tsim kho hnyav. Cov lus qhia tshwj xeeb thiab cov lus pom zoo yog raws li cov qauv kev lag luam thiab cov ntaub ntawv tsim khoom muaj thaum lub sijhawm tshaj tawm. Yog xav paub txog cov kev cai thov tshwj xeeb thiab cov lus qhia tam sim no ntawm cov khoom, thov nrog CQC TRACK pab pawg engineering tham ncaj qha.









