SUMITOMO CASE KBA1141 VC4143A0 SH300 SH330 SH350 CX300 CX350 Track Carrier Roller Assembly / Cov Khoom Siv Hnyav Tracked Chassis Qhov Chaw Muab Khoom Thiab Chaw Tsim Khoom / CQC TRACK

SUMITOMO CASE KBA1141 VC4143A0 SH300 SH330 SH350 CX300 CX350 Taug qab Carrier Roller Sib Dhos- Cov Cheebtsam Chassis Uas Muaj Hnyav Los Ntawm CQC TRACK

Cov Lus Qhia Tseem Ceeb

Tsab ntawv tshaj tawm txog kev siv tshuab no muab kev tshuaj xyuas tag nrho ntawm SUMITOMO thiab CASE lub rooj sib dhos ntawm cov menyuam khiav - ib qho khoom siv tseem ceeb hauv qab uas tau tsim los rau 30-35 tuj chav kawm hydraulic excavators, suav nrog SUMITOMO SH300, SH330, SH350 series thiab CASE CX300, CX350 series. Cov lej khoom KBA1141 (SUMITOMO) thiab VC4143A0 (CASE) sawv cev rau OEM cov lus qhia rau cov qauv excavator loj nruab nrab mus rau loj no, uas tau siv dav hauv kev tsim kho hnyav, kev tsim kho vaj tse, kev ua haujlwm hauv chaw txua zeb, thiab kev txhawb nqa kev siv tshuab thoob ntiaj teb.

Lub rooj sib dhos ntawm cov menyuam nqa khoom (lossis hu ua cov menyuam sab saud lossis cov 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 kab thiab tswj kev sib koom tes nrog lub kaw lus tsav tsheb. Rau cov neeg ua haujlwm ntawm SUMITOMO SH300/330/350 thiab CASE CX300/350 chav kawm tshuab, 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 uas xav tau.

Daim kev tshuaj xyuas no tshuaj xyuas SUMITOMO/CASE carrier roller los ntawm ntau lub lens kev siv tshuab: kev ua haujlwm ntawm lub cev, cov khoom siv hlau rau cov ntawv thov hnyav, kev tsim khoom siv, cov txheej txheem kev lees paub zoo, thiab kev txiav txim siab txog kev nrhiav khoom zoo - nrog rau kev tsom mus rau CQC TRACK (ua haujlwm hauv HELI Group koom tes) ua tus tsim khoom tshwj xeeb thiab tus neeg muab khoom ntawm cov khoom siv hnyav uas khiav lag luam los ntawm Quanzhou, Suav teb.

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

1.1 Cov Npe Cheebtsam thiab Daim Ntawv Thov

Lub SUMITOMO thiab CASE txoj kev sib dhos ua ke muaj ntau tus lej OEM sib xws rau cov qauv excavator tshwj xeeb hauv chav kawm 30-35 tuj. Cov lej tseem ceeb uas tau hais hauv qhov kev tshuaj xyuas no suav nrog:

Cov lej ntawm cov khoom no sawv cev rau cov lej cim tshwj xeeb ntawm cov chaw tsim khoom, uas sib raug rau cov duab kos engineering meej, kev kam rau siab ntawm qhov ntev, thiab cov lus qhia tshwj xeeb ntawm cov khoom siv uas tau tsim los ntawm cov txheej txheem pov thawj nruj ntawm cov chaw tsim khoom siv thawj.

Cov koob SH300/SH330/SH350 sawv cev rau SUMITOMO cov kab excavator nruab nrab mus rau loj, nrog rau qhov hnyav ua haujlwm txij li 30 txog 35 tons, dav siv rau hauv:

• Kev tsim kho hnyav: Kev tshem av loj, kev tsim kho qhov chaw, cov haujlwm tsim kho vaj tse
• Kev Ua Haujlwm Txog Chaw Khawb Pob Zeb: Kev Tswj Xyuas Khoom Siv, Kev Tawg Khoom Thib Ob, Kev Tswj Xyuas Khoom Khaws Cia
• Kev txhawb nqa kev khawb av: Kev tshem tawm cov khoom siv ntau dhau, kev ua haujlwm siv hluav taws xob hauv cov chaw khawb av
• Kev tsim kho pipeline: Trenching, backfilling, txoj cai ntawm txoj kev

Cov CASE CX300/CX350 series sawv cev rau CASE cov qauv excavator sib xws hauv tib chav kawm hnyav, ua haujlwm zoo sib xws thoob ntiaj teb. Cov tshuab no muaj cov yam ntxwv hauv qab sib xws, ua rau muaj kev sib pauv khoom hauv ntau qhov kev teeb tsa.

1.2 Lub Luag Haujlwm Tseem Ceeb

Lub rooj sib dhos ntawm cov menyuam nqa khoom hauv 30-35 tuj chav kawm excavator daim ntawv thov ua peb txoj haujlwm sib txuas ua ke 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 cov menyuam nqa khoom kov qhov khiav sab saud ntawm cov hlau khiav, txhawb nws qhov hnyav ntawm lub idler pem hauv ntej thiab lub sprocket nram qab. Rau cov tshuab chav kawm 30-35 tuj nrog cov hlau khiav hnyav 100-150 kg ib 'meter', cov menyuam nqa khoom yuav tsum txhawb nqa cov khoom thauj khoom zoo li qub (feem ntau 500-800 kg ib lub menyuam) thaum txhawb nqa cov khoom thauj khoom thaum lub sijhawm ua haujlwm ntawm lub tshuab.

Kev Taw Qhia Txog Saw: Lub log tsheb tswj hwm txoj saw hlau kom zoo, tiv thaiv kev hloov pauv sab uas yuav ua rau lub 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. Cov log tsheb nqa khoom tuaj yeem muaj cov qauv teeb tsa ib-flange lossis ob-flange nyob ntawm qhov yuav tsum tau ua ntawm txoj kev taw qhia.

Kev Tswj Xyuas Kev Thauj Khoom Uas Muaj Kev Co: Thaum lub sijhawm taug kev hla thaj chaw tsis sib luag, lub log tsheb yuav nqus cov khoom thauj uas kis tau los ntawm txoj hlua khi, tiv thaiv lub thav ntawm txoj hlua thiab lub tshuab tsav kawg ntawm kev puas tsuaj uas tshwm sim los ntawm kev co. Lub luag haujlwm no xav tau ob qho tib si lub zog ntawm cov qauv thiab cov yam ntxwv tswj kev hloov pauv.

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

Txawm hais tias SUMITOMO thiab CASE cov duab kos duab tseem yog cov khoom ntiag tug, cov qauv kev lag luam rau 30-35 tuj chav kawm excavator carrier rollers feem ntau suav nrog cov kev cai hauv qab no raws li cov qauv tsim khoom tsim tau tsim:

Cov neeg muag khoom zoo tshaj plaws xws li CQC TRACK ua tiav qhov kev kam rau siab ntawm ± 0.02 hli ntawm cov ntawv sau tseem ceeb thiab cov qhov rooj kaw, ua kom ntseeg tau tias haum thiab kev ntseeg siab mus sij hawm ntev hauv cov ntawv thov uas xav tau ntau.

2. Lub Hauv Paus Metallurgical: Kev Tshawb Fawb Txog Khoom Siv Rau Cov Kev Siv Hnyav

2.1 Cov Qauv Xaiv Cov Hlau Alloy

Qhov chaw ua haujlwm ntawm lub tshuab khawb av loj 30-35 tuj muaj cov khoom siv uas xav tau ntau. Cov khoom yuav tsum ua raws li cov hauv qab no:

• Tiv thaiv kev hnav tsis zoo los ntawm kev sib cuag tas mus li nrog txoj hlua thiab kev raug rau av, xuab zeb, pob zeb, thiab cov khib nyiab tsim kho
• Tiv taus cov khoom thauj los ntawm kev siv tshuab hla cov av ntxhib thiab kev thauj khoom dynamic thaum lub sijhawm ua haujlwm
• Tswj kev ruaj khov ntawm cov qauv hauv qab kev thauj khoom cyclic thoob plaws lub neej ntawm lub tshuab
• Khaws cia qhov ruaj khov txawm tias raug rau qhov kub thiab txias heev, dej noo, thiab cov tshuaj lom neeg

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

50Mn Manganese Steel: Qhov no yog cov khoom siv tseem ceeb rau cov tshuab khawb av. Nrog cov ntsiab lus carbon ntawm 0.45-0.55% thiab manganese ntawm 1.4-1.8%, 50Mn muab:

• Kev ua kom tawv zoo heev rau kev ua kom tawv ntawm cov khoom nruab nrab
• Kev tiv thaiv zoo los ntawm kev tsim carbide thaum lub sijhawm kho cua sov
• Muaj zog txaus rau kev nqus tau thaum kho cua sov kom zoo
• Kev siv nyiaj tsim khoom ntau

40Cr Chromium Alloy: Rau cov ntawv thov uas xav tau kev ua kom tawv thiab qaug zog, 40Cr (zoo ib yam li AISI 5140) nrog cov pa roj carbon 0.37-0.44% thiab chromium 0.80-1.10% muab:

• Txhim kho qhov tawv kom zoo rau cov khoom sib xws
• Lub zog qaug zog ntxiv los ntawm chromium carbides
• Zoo toughness ntawm qib hardness nruab nrab
• Cov lus teb zoo heev rau kev ua kom tawv tawv induction

SAE 4140 / 42CrMo Premium Alloy: Rau cov ntawv thov uas xav tau tshaj plaws, cov chaw tsim khoom zoo li CQC TRACK siv SAE 4140 (zoo ib yam li 42CrMo) nrog lub zog tensile kawg ntawm 950 MPa, muab kev ruaj khov tshwj xeeb rau cov voj voog hnyav.

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

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

Txoj kev tsim thawj zaug txiav txim siab qhov khoom siv kho tshuab ntawm cov menyuam nqa khoom thiab lub neej ua haujlwm. Cov chaw tsim khoom siv thauj khoom zoo tshaj plaws tsuas yog siv cov khoom siv kub kaw rau lub cev menyuam.

Cov txheej txheem forging pib nrog kev txiav cov hlau billets kom muaj qhov hnyav meej, cua sov rau kwv yees li 1150-1250 ° C kom txog thaum austenitized tag nrho, tom qab ntawd muab lawv tso rau hauv qhov siab siab deformation ntawm cov pwm precision-machined. Kev kho thermo-mechanical no tsim cov nplej ntws tas mus li uas ua raws li cov duab ntawm cov khoom, sib dhos cov ciam teb nplej perpendicular rau cov lus qhia tseem ceeb.

Kev tsim qauv monoblock forged muab 40% lub zog qaug zog dua piv rau lwm txoj hauv kev cam khwb cia lossis welded. Tom qab forging, cov khoom raug tswj kom txias kom tiv thaiv kev tsim cov qauv me me uas ua rau puas tsuaj.

2.3 Kev Tsim Kho Kub Ob Chav Khoom

Qhov kev txawj ntse ntawm cov hlau nplaum zoo ntawm cov menyuam nqa khoom zoo qhia tau meej hauv nws qhov profile tawv uas tau tsim tshwj xeeb - qhov chaw tawv, tiv taus hnav ua ke nrog lub hauv paus tawv, nqus tau kev 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 sai sai quenched hauv dej agitated, roj, lossis polymer kua. Qhov kev hloov pauv no tsim martensite - muab qhov nyuaj tshaj plaws tab sis nrog rau kev sib txhuam brittleness. Tam sim ntawd tempering ntawm 500-650 ° C tso cai rau carbon kom precipitate ua cov carbides zoo, txo cov kev ntxhov siab sab hauv thiab rov qab kho qhov tawv. Qhov tawv ntawm lub hauv paus feem ntau yog los ntawm HRC 48-52, muab qhov tawv zoo tshaj plaws rau kev nqus kev cuam tshuam.

Kev Kho Kom Ruaj Khoov Qhov Nto Induction: Tom qab ua tiav kev ua tiav, qhov chaw hnav tseem ceeb - qhov txoj kab uas hla ntawm lub tread - dhau los ntawm kev kho kom ruaj khov hauv zos. Lub kauj inductor tooj liab uas tsim los ntawm kev ua haujlwm raug nyob ib puag ncig cov khoom, ua rau cov hluav taws xob eddy uas ua rau cov txheej saum npoo kub sai sai rau qhov kub austenitizing hauv ob peb feeb. Kev quenching tam sim ntawd tsim cov ntaub ntawv martensitic ntawm 8-12 hli tob nrog qhov nyuaj ntawm HRC 52-56, muab kev tiv thaiv zoo rau kev hnav abrasive los ntawm kev sib cuag ntawm txoj hlua.

Cov chaw tsim khoom zoo tshaj plaws ua tiav qhov nyuaj ntawm HRC 58-62 rau cov ntawv thov ua haujlwm hnyav.

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.

2.4 Cov Txheej Txheem Kev Ntsuam Xyuas Zoo

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

• Kev Tshuaj Xyuas Khoom Siv Spectroscopic: Paub meej tias cov tshuaj lom neeg ntawm cov hlau sib piv rau cov lus qhia tau ntawv pov thawj thaum tau txais cov khoom siv raw
• Kev Ntsuas Ultrasonic (UT): Kev tshuaj xyuas cov khoom forgings tseem ceeb lees paub qhov ruaj khov sab hauv, nrhiav pom txhua qhov porosity hauv nruab nrab, cov khoom suav nrog, lossis laminations
• Kev Txheeb Xyuas Qhov Nyuaj: Kev kuaj xyuas qhov nyuaj ntawm Rockwell lossis Brinell lees paub ob qho tib si qhov nyuaj ntawm lub hauv paus tom qab Q&T thiab qhov nyuaj ntawm qhov chaw tom qab kev ua kom tawv tawv
• Kev Tshuaj Xyuas Cov Khoom Sib Nqus (MPI): Tshuaj xyuas cov chaw tseem ceeb—tshwj xeeb yog cov hauv paus flange thiab cov kev hloov pauv ntawm tus ncej—nrhiav pom cov kab nrib pleb lossis cov hlawv sib tsoo.
• Kev Txheeb Xyuas Qhov Loj: Cov Tshuab Ntsuas Sib Koom Tes (CMM) txheeb xyuas qhov loj me tseem ceeb nrog kev tswj hwm cov txheej txheem suav lej
• Kev Ntsuas Kho Tshuab: Cov khoom piv txwv raug kuaj xyuas kom paub tseeb tias cov khoom ua tau raws li cov lus qhia

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

3.1 Cov Qauv Geometry rau Cov Ntawv Siv Hnyav

Cov qauv ntawm cov menyuam nqa khoom rau SH300/CX300 cov tshuab chav kawm yuav tsum phim cov lus qhia ntawm txoj hlua thaum ua haujlwm tau raws li cov khoom siv:

Txoj Kab Uas Ntev Sab Nraud: Txoj kab uas hla 280-350 hli yog xam los muab qhov ceev tig thiab lub neej ntev ntawm qhov ceev mus ncig ib txwm muaj. Txoj kab uas hla yuav tsum tau tswj kom tsis pub dhau qhov kev kam rau siab kom ntseeg tau tias qhov siab txhawb nqa saw hlau sib xws.

Cov Qauv Tawv: Qhov chaw sib cuag yuav muaj lub kaus mom me me los pab txhawb qhov me me ntawm txoj kev tsis sib xws thiab tiv thaiv kev thauj khoom ntawm ntug uas yuav ua rau kev hnav sai dua. Cov qauv no tau ua kom zoo dua los xyuas kom meej tias muaj kev faib siab sib npaug thoob plaws thaj chaw sib cuag.

Flange Configuration: Cov menyuam nqa khoom yuav muaj nyob rau hauv:

• Cov qauv tsim ib leeg-flange: Muab kev txwv rau sab ntawm ib sab, tso cai rau qee qhov kev pabcuam tsis sib haum xeeb
• Cov qauv tsim ob chav flange: Muab kev tuav zoo hauv ob qho kev taw qhia, nyiam rau kev ua haujlwm hnyav ntawm sab nqes hav

Flange Geometry: Cov ces kaum ntawm flange feem ntau muaj 5-10° relief los pab txhawb kev tshem tawm cov khib nyiab. Cov hauv paus hniav tau ua kom zoo tshaj plaws los txo qhov kev ntxhov siab thaum muab lub zog txaus.

3.2 Kev Tsim Kho Lub Ncej thiab Lub Pob Bearing

Lub ncej ruaj khov yuav tsum tiv taus lub sijhawm khoov tas mus li thiab kev ntxhov siab thaum tswj hwm qhov sib phim nrog lub cev dov uas tig. Rau SH300/CX300 daim ntawv thov, txoj kab uas hla ntawm lub ncej feem ntau yog 70-85 hli, xam raws li kev faib qhov hnyav zoo li qub thiab cov yam ntxwv thauj khoom dynamic.

Lub kaw lus bearing rau cov carrier rollers siv cov matched tapered roller bearings, uas yog qhov zoo dua vim tias lawv:

Haum Rau Cov Khoom Siv Ua Ke: Cov bearings tapered roller tib lub sijhawm txhawb nqa cov khoom siv radial siab thiab cov khoom siv thrust los ntawm cov zog lateral.

Muab Kev Kho Kom Haum Ua Ntej: Cov bearings tapered roller tso cai rau kev teeb tsa preload kom raug thaum lub sijhawm sib dhos, txo qhov chaw sab hauv thiab txuas lub neej ntawm cov kabmob hauv qab kev thauj khoom cyclic.

Muaj Peev Xwm Thauj Khoom Siab: Cov chaw tsim khoom zoo tshaj plaws nrhiav cov bearings los ntawm cov neeg muag khoom muaj npe nrov xws li Timken®, nrog rau cov ntsuas thauj khoom dynamic tsim nyog rau cov voj voog hnyav.

Cov yam ntxwv ntawm cov bearings: Cov yam ntxwv zoo tshaj plaws:

• Cov qauv tawb tsim kho kom zoo rau kev thauj khoom poob siab
• Kev tshem tawm sab hauv xaiv rau qhov kub thiab txias ua haujlwm
• Kev ua tiav zoo dua ntawm txoj kev sib tw rau kev txhim kho lub neej qaug zog

3.3 Kev Siv Tshuab Sealing Zoo Tshaj Plaws Rau Cov Chaw Muaj Kab Mob

Lub kaw lus foob yog qhov tseem ceeb tshaj plaws ntawm kev siv lub log thauj khoom ntev hauv cov ntawv thov hnyav, qhov twg cov tshuab ua haujlwm hauv cov chaw muaj cov pa phem ntau. Cov ntaub ntawv kev lag luam qhia tau tias feem ntau ntawm kev ua tsis tiav ntawm lub log ua ntej lub sijhawm yog los ntawm kev puas tsuaj ntawm lub foob.

Cov menyuam nqa khoom zoo tshaj plaws siv cov txheej txheem sib khi ntau theem uas tsim tshwj xeeb rau cov chaw muaj kuab paug:

Lub Rooj Sib Tw Uas Muaj Hnyav Tseem Ceeb: Cov nplhaib hlau lossis hlau uas tau sib tsoo ua kom ruaj khov nrog cov ntsej muag sib khi ua tiav qhov tiaj tiaj zoo kawg nkaus. Rau cov ntawv thov uas ua haujlwm hnyav, cov ntaub ntawv ntsej muag sib khi raug xaiv rau:

• Kev tiv thaiv kev hnav zoo dua hauv cov chaw muaj kuab paug ntau
• Kev tiv thaiv xeb zoo dua rau cov xwm txheej ua haujlwm ntub dej
• Qhov dav ntawm lub ntsej muag zoo tshaj plaws rau lub neej ua haujlwm ntev

Lub foob Radial thib ob: Tsim los ntawm HNBR (Hydrogenated Nitrile Butadiene Rubber) lossis Trelleborg® cov ntaub ntawv nrog:

• Kev tiv taus kub zoo heev (-45 ° C txog + 130 ° C)
• Kev sib raug zoo ntawm cov tshuaj nrog cov roj greases siab heev (EP)
• Kev tiv thaiv kev puas tsuaj zoo dua rau cov chaw muaj kuab paug
• Lub zog kaw zoo tswj los ntawm lub caij nplooj ntoos hlav garter

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

Triple-Labyrinth PosiTrack™ Seals: Cov txheej txheem siab heev suav nrog ntau qhov kev thaiv kev sib khi rau kev tiv thaiv siab tshaj plaws.

Kev Ua Ntej Lubrication: Lub qhov ntawm lub bearing yog ua ntej puv nrog cov roj hnyav, siab heev (EP) uas muaj:

• Molybdenum disulfide (MoS₂) los yog graphite rau kev ua kom lubrication ntawm ciam teb
• 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 ib puag ncig ntub
• Cov tshuaj oxidation stabilizers rau lub sijhawm ua haujlwm ntev

3.4 Kev Teeb tsa Mounting thiab Track Frame Interface

Lub carrier roller mounts rau ntawm txoj kab los ntawm cov brackets mounting uas yuav tsum tau tiv taus tag nrho cov dynamic loads ntawm kev ua haujlwm. Cov yam ntxwv tseem ceeb ntawm kev tsim qauv suav nrog:

• Cov Nto Mounting Uas Siv Tshuab Ua Kom Tiav: Xyuas kom meej tias muaj kev sib dhos thiab faib khoom kom raug
• Cov Khoom Siv Ruaj Khov Muaj Zog: Qib 10.9 lossis 12.9 bolts nrog cov lus qhia tswj kev nruj
• Cov yam ntxwv xauv zoo: Tiv thaiv kom tsis txhob xoob thaum muaj kev co
• Kev Tiv Thaiv Kev Xeb: Cov xim pleev xim hnyav lossis zinc-nickel electroplating + hmoov txheej rau kev ruaj khov ib puag ncig hnyav

3.5 Kev Ua Tshuab Zoo thiab Kev Tswj Xyuas Zoo

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

Cov txheej txheem tig thiab sib tsoo uas tswj los ntawm CNC lav qhov geometry thiab qhov chaw tiav. Kev txheeb xyuas qhov ntev hauv cov txheej txheem ua rau kho tau qhov kev hloov pauv ntawm cov txheej txheem tam sim ntawd.

3.6 Kev Sib Dhos thiab Kev Ntsuas Ua Ntej Xa Khoom

Kev sib dhos zaum kawg yog ua nyob rau hauv cov xwm txheej tswj tau kom tiv thaiv kev ua qias tuaj. Cov txheej txheem sib dhos suav nrog:

• Kev Ntxuav Cov Cheebtsam: Ntxuav tag nrho cov khoom ua ntej sib dhos
• Ib puag ncig tswj tau: Cov chaw sib sau ua ke huv si nrog kev tswj kev ua qias tuaj
• Kev Teeb tsa Bearing: Kev nias kom raug nrog kev saib xyuas lub zog
• Kev Teeb tsa Ua Ntej: Cov bearings tapered roller tau kho rau qhov kev teeb tsa ua ntej uas tau teev tseg
• Kev Txhim Kho Lub Rooj Sib Txuas: Cov cuab yeej tshwj xeeb tiv thaiv kev puas tsuaj rau cov nplaim sealing
• Kev Siv Lubrication: Ntsuas cov roj nplua nyeem nrog cov roj nplua nyeem tshwj xeeb
• 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 muaj xws li:

• Kev sim torque tig kom paub tseeb tias kev tig du
• Kev kuaj xyuas kev ruaj khov ntawm lub foob kom pom cov kev xau
• Kev tshuaj xyuas qhov ntev ntawm cov khoom sib dhos ua ke
• Kev tshuaj xyuas pom ntawm tag nrho cov haujlwm ua haujlwm

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

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

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

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

Kev Tsim Khoom Hnyav Ua Ke: CQC TRACK tswj hwm tag nrho cov voj voog tsim khoom los ntawm kev nrhiav khoom siv thiab kev sib tsoo mus rau kev ua haujlwm kom raug, kev kho cua sov, kev sib dhos, thiab kev kuaj xyuas zoo. Qhov kev sib koom ua ke ntsug no ua kom muaj qhov zoo sib xws thiab kev taug qab tag nrho thoob plaws hauv cov txheej txheem tsim khoom.

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 siv rau cov ntawv thov hnyav. Rau SH300 / CX300 chav kawm carrier rollers, qhov no suav nrog:

• Tsim los ntawm kev tsim monoblock uas muab 40% lub zog qaug zog dua piv rau cov menyuam cam khwb cia / welded
• Kev xaiv cov khoom siv: Forged SAE 4140 alloy steel nrog UTS ntawm 950 MPa
• Kev kho cua sov: Quenched & tempered (HRC 48-52 core / HRC 58-62 nto)
• Kev Sib Txuas: Cov ntsaws ruaj ruaj Triple-labyrinth PosiTrack™ + Cov ntsaws ruaj ruaj Trelleborg® daim di ncauj

Kev Ruaj Ntseg Zoo: CQC TRACK siv cov txheej txheem zoo nruj xws li:

• 100% kev tshuaj xyuas ntawm cov khoom tseem ceeb
• Cov pob ntawv sau ua tiav rau kev taug qab zoo
• ISO 6015: 2019 tau lees paub lub neej ua haujlwm ntawm 10,000+ teev

Kev Tsim Kho Tshiab: Cov yam ntxwv muaj xws li:

• Kev tuav axial nrog ob lub tapered roller bearings (Timken® 4T-6377)
• Cov kav dej roj-purge nrog Zerk fittings (NLGI # 2 EP)
• Zinc-nickel electroplating + hmoov txheej rau kev tiv thaiv xeb
• Kub thiab txias: -45°C txog 130°C (Arctic mus rau suab puam)

4.3 Cov Khoom Siv Rau SUMITOMO thiab CASE Excavators

CQC TRACK cov chaw tsim khoomcov khoom siv hauv qab rau SUMITOMO thiab CASE excavators, nrog rau kev muaj peev xwm ua tau rau SH460/CX460 chav kawm tshuab (45-tuj chav kawm) uas tsim kom muaj kev txawj ntse tsim khoom siv rau SH300/CX300 chav kawm Cheebtsam.

Lub tuam txhab tswj cov cuab yeej thiab kev tsim khoom rau ntau tus qauv, xyuas kom muaj kev muab khoom sib xws 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

CQC TRACK pab cov lag luam thoob ntiaj teb nrog kev saib xyuas tshwj xeeb rau:

• Tebchaws Asmeskas Qaum Teb:SUMITOMO cov khoom siv hauv qab, CASE CX series Cheebtsam
• Teb chaws Europe: CE daim ntawv pov thawj carrier rollers
• APAC: Cov tes hauj lwm faib khoom hauv cheeb tsam
• Middle East: Cov log tsheb khiav hauv hav zoov

Nrog cov chaw tsim khoom hauv Quanzhou, CQC TRACK muab:

• Lub sijhawm ua khoom sib tw rau kev tsim khoom hnyav
• Qhov tsawg kawg nkaus uas yuav tsum tau ua kom yooj ywm
• Kev muaj peev xwm teb rau xwm txheej ceev rau cov xwm txheej tseem ceeb
• Kev txhawb nqa kev txawj ntse rau kev ua kom daim ntawv thov zoo dua
• Cov kev pab cuam muag khoom rau cov khoom siv uas xav tau ntau

5. SUMITOMO SH300/330/350 thiab CASE CX300/350 Series Txheej Txheem Cej Luam

5.1 SUMITOMO SH Series Kev Hloov Pauv

Cov SUMITOMO SH300, SH330, thiab SH350 series sawv cev rau qhov nruab nrab mus rau cov excavators loj hauv SUMITOMO cov kab:

Cov tshuab no muaj cov txheej txheem hnyav hauv qab uas tsim los rau kev siv ntev dua hauv cov ntawv thov uas nyuaj. Tus lej ntawm cov menyuam nqa khoom KBA1141 tau teev tseg thoob plaws ntau hom SH series, qhia txog cov qauv hauv qab uas zoo sib xws.

5.2 CASE CX Series Kev Hloov Pauv

Cov CASE CX300 thiab CX350 series sawv cev rau CASE cov qauv excavator sib xws:

Cov qauv no muaj tus lej VC4143A0, thiab nws siv tau nrog SUMITOMO SH series hauv ntau hom kev teeb tsa.

5.3 Kev Sib Txuas Ntawm Ntau Hom Lag Luam

Cov SUMITOMO SH300/330/350 thiab CASE CX300/350 series muaj cov yam ntxwv zoo sib xws hauv ntau qhov kev teeb tsa, ua rau:

• Kev sib pauv tau ntawm cov khoom rau cov khoom sib dhos ntawm cov menyuam
• Kev piav qhia txog cov khoom muag rau cov tsheb sib xyaw
• Kev nrhiav kev ywj pheej los ntawm cov chaw tsim khoom uas ua haujlwm rau ob lub npe

Qhov kev sib raug zoo no qhia txog cov qauv kev lag luam sib xws thiab kev sib koom ua ke ntawm cov khoom siv ntawm cov OEMs thoob ntiaj teb.

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

6.1 Cov Qauv rau Chav Kawm 30-35 TonCov Menyuam Nqa Khooms

Cov ntaub ntawv teb los ntawm ntau qhov chaw ua haujlwm sib txawv muab cov kev cia siab ua tau zoo rau SH300 / CX300 chav kawm carrier rollers:

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 hnyav, ua tiav 85-95% ntawm OEM lub neej kev pabcuam ntawm tus nqi qis dua (feem ntau 30-50% qis dua OEM tus nqi). ISO 6015: 2019 tau txheeb xyuas lub neej kev pabcuam ntawm 10,000+ teev tuaj yeem ua tiav hauv cov xwm txheej zoo tshaj plaws.

6.2 Cov Hom Kev Ua Tsis Tau Zoo Feem Ntau Hauv Cov Ntawv Thov Hnyav

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

Kev Ua Tsis Tau Zoo ntawm Lub Seal thiab Kev Ua Phem Nkag Mus: Hom kev ua tsis tau zoo tshaj plaws, kev ua tsis tau zoo ntawm lub seal ua rau cov khoom me me nkag mus rau hauv qhov chaw ntawm lub bearing. Cov tsos mob 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)
• Ua kom kub dua thaum ua haujlwm
• Kev tig tsis zoo thaum muaj kuab paug pib hnav cov kabmob
• 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 chaw tsis tawv lossis kev sib dhos tsis raug. Ua kom nrawm los ntawm:

• Kev ua haujlwm ntau zaus ntawm ntug toj
• Tig nruj rau ntawm cov nplaim abrasive
• Taug qab qhov tsis sib xws los ntawm cov khoom siv hnav

Kev Hnav Thiab Txo Qhov Loj: Maj mam hnav los ntawm kev sib cuag tas li nrog txoj saw hlau. Thaum qhov loj ntawm txoj saw hlau txo qis tshaj qhov teev tseg (feem ntau 8-12 hli), qhov siab ntawm txoj saw hlau txo qis, hloov pauv qhov geometry ntawm kev sib koom tes.

Kev Qaug Zog ntawm Cov Bearing: Tom qab kev pabcuam ntev, cov bearings yuav pom tias tawg vim yog kev qaug zog hauv av, qhia tias cov khoom tau mus txog nws lub neej txwv. Feem ntau ua kom nrawm dua los ntawm:

• Kev thauj khoom dynamic siab dua li qhov xav tau
• Kev puas tsuaj ntawm qhov chaw uas ua rau muaj kuab paug
• Kev puas tsuaj ntawm cov roj nplua nyeem los ntawm qhov kub siab

Cov menyuam dov uas lo: Ib sab tiaj tiaj ntawm cov menyuam dov qhia tias cov menyuam dov uas nqa khoom tau lo, feem ntau yog los ntawm xuab zeb thiab/lossis av nkos ntawm cov menyuam dov thiab lub thav duab hauv qab.

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

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

• Cov xwm txheej ntawm lub foob: Cov roj xau, cov khib nyiab sib sau ua ke
• Kev sib hloov ntawm cov menyuam: Kev du, suab nrov, khi, cov chaw tiaj tus
• Flange mob: Hnav, puas tsuaj, ntug ntse
• Cov xwm txheej ntawm cov log tsheb: Cov qauv hnav, kev ntsuas txoj kab uas hla
• Kev ruaj khov ntawm kev teeb tsa: Lub zog ntawm lub fastener, qhov xwm txheej ntawm lub bracket
• Ncej interface: Clearance, khib nyiab accumulation
• Kub ua haujlwm: Sib piv nrog qhov pib
• Kev txhawb nqa: Kev txhawb nqa tawg lossis khoov, qag qis, kev sib dhos tsis raug

Cov txheej txheem tshuaj xyuas siab heev yuav suav nrog:

• Kev ntsuas tuab ntawm ultrasonic
• Thermographic imaging rau kev tuav lub zog
• Kev tshuaj xyuas kev co rau kev txij nkawm ua ntej

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

7.1 Kev Xyaum Txhim Kho Kev Tshaj Lij

Kev teeb tsa kom raug cuam tshuam rau lub neej ua haujlwm ntawm cov menyuam nqa khoom:

Kev Npaj Tus Ncej Tsheb Ciav Hlau: Cov chaw teeb tsa yuav tsum huv, tiaj tus, thiab tsis muaj kev puas tsuaj. Txhua yam kev hnav lossis kev hloov pauv yuav tsum tau kho ua ntej kev teeb tsa.

Kev Tshuaj Xyuas Cov Bracket Mounting: Yuav tsum tau tshuaj xyuas cov brackets rau:

• Kev hnav lossis kev hloov pauv
• Kev tawg pib ntawm cov ntsiab lus ntxhov siab
• Kev puas tsuaj los ntawm kev xeb
• Xov xwm

Cov Lus Qhia Txog Kev Txuas: Txhua lub bolts mounting yuav tsum yog:

• Qib 10.9 lossis 12.9 raws li tau teev tseg
• Siv cov cuab yeej calibrated los zawm kom nruj rau qhov torque uas tau teev tseg
• Nruab nrog cov yam ntxwv xauv tsim nyog

Kev Txheeb Xyuas Kev Sib Tov: Tom qab kev teeb tsa, xyuas kom tseeb tias:

• Lub log tsheb tau sib dhos zoo nrog cov saw hlau
• Kev tshem tawm ua tau raws li cov lus qhia
• Lub roller tig tau ywj pheej yam tsis muaj kev khi

7.2 Cov Txheej Txheem Kev Txij Nkawm Tiv Thaiv

Kev Tshuaj Xyuas Tsis Tu Ncua: Kev tshuaj xyuas pom ntawm 250 teev ib zaug (txhua lub lim tiam rau kev ua haujlwm hnyav tas mus li) yuav tsum kuaj xyuas txhua qhov cim qhia txog kev hnav.

Kev Tswj Xyuas Kev Nruj Ntawm Txoj Kev: Kev nruj ntawm txoj kev ncaj qha cuam tshuam rau lub neej ntawm cov menyuam nqa khoom. Xyuas kom tseeb tias kev nruj:

• Txhua lub sijhawm pabcuam
• Tom qab kev teeb tsa khoom tshiab
• Thaum cov xwm txheej ua haujlwm hloov pauv
• Thaum pom tus cwj pwm tsis zoo ntawm txoj kev taug kev

Cov Txheej Txheem Ntxuav: Kev ntxuav lub hauv qab ntawm lub tsheb tsis tu ncua yog ib feem ntawm kev saib xyuas txhua hnub thiab pab tiv thaiv kom cov menyuam tsis lo vim yog xuab zeb thiab/lossis av nkos sib sau ua ke. Txawm li cas los xij:

• Tsis txhob ntxuav nrog lub tshuab ntxuav siab uas tsom mus rau thaj chaw kaw dej
• Siv dej tsawg tsawg rau kev ntxuav dav dav
• Tshem tawm cov khib nyiab uas tau sib sau ua ke thaum lub sijhawm tshuaj xyuas txhua hnub
• Cia cov khoom kom qhuav tag

Cov Kev Xav Txog Kev Ua Haujlwm:

• Txo kev mus ncig ceev ceev hla thaj chaw ntxhib
• 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
• Qhia txog cov suab nrov lossis kev siv tsis zoo tam sim ntawd

7.3 Cov Qauv Txiav Txim Siab Hloov Chaw

Cov menyuam nqa khoom yuav tsum tau hloov thaum:

• Kev xau ntawm lub foob pom tseeb thiab tsis tuaj yeem nres tau
• Kev ua si radial lossis axial tshaj qhov chaw tsim khoom cov lus qhia (feem ntau 3-4 hli)
• Kev hnav ntawm flange ua rau txo qhov ua tau zoo ntawm kev taw qhia lossis ua rau cov npoo ntse
• Kev hnav ntawm cov log tsheb ntau dua li qhov tob ntawm cov ntaub ntawv tawv (feem ntau yog 8-12 hli txoj kab uas hla txo)
• Kev tig ntawm cov kabmob ua rau ntxhib, nrov, lossis tsis xwm yeem
• Lub log tsheb daig (sab tiaj tiaj pom tau) vim muaj kuab paug
• Kev txhawb nqa tawg los yog khoov
• Axle tau sagged
• Cov menyuam tsis raug teeb tsa
• Kev puas tsuaj pom tseeb suav nrog kev tawg lossis kev hloov pauv

7.4 Txoj Kev Hloov Pauv Raws Li Lub Txheej Txheem

Rau kev ua tau zoo tshaj plaws hauv qab lub tsheb thauj khoom, qhov xwm txheej ntawm lub log thauj khoom yuav tsum tau soj ntsuam ua ke nrog:

• Txoj saw hlau: Kev hnav ntawm tus pin thiab bushing, qhov xwm txheej ntawm txoj kev tsheb ciav hlau
• Cov log tsheb (hauv qab): Qhov xwm txheej ntawm lub foob, kev hnav ntawm lub log
• Pem Hauv Ntej Idler: Tread thiab flange mob
• Sprocket: Kev hnav hniav, qhov xwm txheej ntawm ntu
• Txoj kab ke khiav: Kev sib dhos, kev ua kom ruaj khov

Kev coj ua zoo tshaj plaws hauv kev lag luam pom zoo kom ua raws li cov hauv qab no:

• Hloov ua khub rau txhua sab kom tswj tau qhov kev ua tau zoo sib npaug
• Xav txog kev hloov lub kaw lus thaum muaj ntau yam khoom siv uas puas lawm ntau heev
• Teem sijhawm thaum lub sijhawm pabcuam loj kom txo qhov tsis ua haujlwm

8. Kev Xav Txog Kev Yuav Khoom Zoo

8.1 Kev Txiav Txim Siab OEM vs. Aftermarket

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

Kev Tshuaj Xyuas Tus Nqi: Cov khoom siv tom qab muag los ntawm cov chaw tsim khoom xws li CQC TRACK feem ntau muab 30-50% kev txuag nqi thaum pib piv rau OEM qhov chaw. Tag nrho cov kev xam tus nqi ntawm kev muaj yuav tsum suav nrog:

• Lub neej kev pab cuam xav tau hauv cov xwm txheej ua haujlwm tshwj xeeb
• Cov nqi them rau kev kho thiab hloov pauv
• Kev cuam tshuam rau lub sijhawm tsis ua haujlwm ntawm cov khoom
• Kev them nqi lav
• Muaj cov khoom seem thiab lub sijhawm ua khoom

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 hnyav los ntawm:

• Cov lus qhia txog cov khoom sib npaug (SAE 4140/50Mn nrog cov tshuaj lom neeg tau ntawv pov thawj)
• Cov txheej txheem kho cua sov sib piv (core HRC 48-52, nto HRC 52-58, qhov tob ntawm lub thawv 8-12 hli)
• Cov txheej txheem sealing hnyav (ntau theem nrog cov foob ntab thiab kev tiv thaiv labyrinth)
• Cov khoom sib phim los ntawm cov chaw tsim khoom muaj npe nrov
• Kev tswj xyuas zoo nrog kev sim ua tiav
• ISO 6015: 2019 tau txheeb xyuas kev ua tau zoo

Kev Xav Txog Kev Pov Hwm: Cov kev pov hwm OEM feem ntau npog 1-2 xyoos lossis 2,000-3,000 teev. Cov chaw tsim khoom lag luam tom qab muag uas muaj npe nrov muab cov kev pov hwm zoo sib xws uas npog cov teeb meem tsim khoom, nrog rau lub sijhawm pov hwm ntawm 1-2 xyoos.

Muaj Khoom Thiab Lub Sijhawm Ua Ntej: Cov khoom OEM yuav ntsib lub sijhawm ua ntej ntev dua vim yog kev faib khoom hauv nruab nrab. Cov chaw tsim khoom tom qab muag feem ntau xa khoom tsis pub dhau 4-8 lub lis piam, nrog rau kev xa khoom sai sai.

Kev Txhawb Nqa: Cov neeg muag khoom tom qab muag uas muaj kev txawj ntse hauv kev tsim kho tuaj yeem muab:

• Kev txhawb nqa kev tsim kho daim ntawv thov
• Kev pabcuam hauv thaj teb rau kev teeb tsa
• Cov ntaub ntawv txog lub neej ntawm cov khoom siv rau kev npaj txij nkawm
• Cov kev pab cuam txheeb xyuas qhov ua tsis tiav

8.2 Cov Qauv Ntsuas Kev Ntsuas ntawm Cov Neeg Muab Khoom rau Cov Ntawv Thov Hnyav

Cov kws tshaj lij kev yuav khoom yuav tsum siv cov qauv kev ntsuam xyuas nruj:

Kev Ntsuam Xyuas Kev Muaj Peev Xwm Tsim Khoom: Xyuas kom tseeb tias muaj:

• Cov khoom siv forging rau cov khoom siv hnyav
• CNC machining chaw nrog precision peev xwm
• Cov chaw kho cua sov nrog kev tswj huab cua
• Chaw ua kom tawv tawv nrog kev saib xyuas cov txheej txheem
• Ntxuav cov chaw sib dhos rau kev teeb tsa foob
• Cov chaw kuaj mob (UT, MPI, CMM, chaw kuaj hlau)

Cov Txheej Txheem Tswj Xyuas Zoo: Daim ntawv pov thawj ISO 9001: 2015 yog tus qauv qis tshaj plaws. Cov ntawv pov thawj ntxiv qhia txog kev cog lus zoo dua.

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 tag nrho
• 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

Kev Paub thiab Lub Koob Npe: Cov neeg muab khoom uas muaj kev paub dhau los ua pov thawj tias muaj peev xwm ua tau zoo. Thaj av Quanzhou muaj cov chaw tsim khoom tshwj xeeb uas muaj ntau xyoo ntawm kev paub hauv cov khoom siv hauv qab.

Kev Ruaj Ntseg Nyiaj Txiag: Kev sib raug zoo mus sij hawm ntev yuav tsum muaj cov neeg koom tes ruaj khov nyiaj txiag.

8.3 Qhov Zoo ntawm CQC TRACK

CQC TRACK muaj ntau qhov zoo sib txawv rau SUMITOMO thiab CASE excavator undercarriage kev yuav khoom:

• Kev Muaj Peev Xwm Tsim Khoom Hnyav: Cov khoom tsim tshwj xeeb rau cov ntawv thov ua haujlwm hnyav
• Kev Tswj Xyuas Kev Tsim Khoom Ua Ke: Kev koom ua ke ntsug tag nrho ua kom muaj kev zoo sib xws thiab kev taug qab
• Khoom Siv Zoo Tshaj Plaws: Cov hlau SAE 4140 zoo tshaj plaws nrog UTS 950 MPa, qhov nyuaj ntawm qhov chaw HRC 58-62
• Kev Sib Nqus Siab: Cov ntsaws ruaj ruaj Triple-labyrinth PosiTrack™ + Cov ntsaws ruaj ruaj Trelleborg® daim di ncauj
• Kev Ntsuam Xyuas Zoo: 100% kev tshuaj xyuas, ISO 6015: 2019 tau txheeb xyuas
• Kev Paub Txog Daim Ntawv Thov: Kev nkag siab tob txog SUMITOMO thiab CASE cov kab ke hauv qab
• Kev Muaj Peev Xwm Muab Khoom Thoob Ntiaj Teb: Pab rau North America, Europe, APAC, thiab Middle East kev lag luam
• Kev Lag Luam Sib Tw: 30-50% txuag tau nqi thaum tseem tswj tau qhov zoo ntawm cov khoom siv hnyav
• Kev Txhawb Nqa Engineering: Kev hloov kho tau rau cov xwm txheej ua haujlwm tshwj xeeb

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

9.1 Cov Qauv Kev Xav Tau Thoob Ntiaj Teb

Kev ua lag luam thoob ntiaj teb rau 30-35 tuj chav kawm excavator undercarriage Cheebtsam txuas ntxiv nthuav dav, tsav los ntawm:

Kev Txhim Kho Vaj Tse: Cov kev pib ua haujlwm tseem ceeb hauv kev tsim kho vaj tse thoob plaws Sab Hnub Tuaj Asia, Africa, Middle East, thiab South America txhawb nqa qhov kev thov rau cov khoom siv hnyav thiab cov khoom hloov pauv.

Kev Tsim Kho Hauv nroog: Chav kawm 30-35 tuj tseem nrov rau cov haujlwm tsim kho loj thoob ntiaj teb.

Kev Laus ntawm Cov Khoom Siv: Lub sijhawm khaws cov khoom siv ntev dua ua rau kev siv cov khoom seem tom qab kev lag luam ntau ntxiv.

Kev Txhawb Nqa Chaw Ua Pob Zeb thiab Kev Khawb Av: Kev thov tas mus li los ntawm kev tsim khoom sib sau ua ke thiab kev ua haujlwm khawb av.

9.2 Kev Txhim Kho Txog Kev Siv Tshuab

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

Kev Txhim Kho Cov Khoom Siv Siab Tshaj Plaws: Kev tshawb fawb txog cov hlau sib xyaw ua ke cog lus tias yuav txhim kho kev tiv thaiv kev hnav.

Kev Kho Kom Zoo Dua Thaum Siv Induction Hardening: Cov txheej txheem siab heev ua tiav qhov sib xws tsis tau muaj dua hauv qhov tob thiab qhov nyuaj.

Kev Sib Dhos thiab Kev Tshuaj Xyuas Tsis Siv Neeg: Cov tshuab robotic ua kom muaj kev teeb tsa foob thiab kev txheeb xyuas qhov loj me.

Cov Txuj Ci Txij Nkawm Uas Tau Kwv Yees Ua Ntej: Cov sensors uas tau muab tso rau hauv lub cev ua rau muaj kev saib xyuas tiag tiag thiab kev txij nkawm uas tau kwv yees ua ntej.

Kev Txhim Kho Tshuab Sealing: Cov txheej txheem labyrinth ntau theem nrog cov elastomers siab heev muab kev tiv thaiv kev ua qias tuaj zoo dua.

9.3 Kev Ruaj Ntseg thiab Kev Tsim Khoom Dua Tshiab

Kev nce qib ntawm kev ruaj khov ua rau muaj kev txaus siab rau cov khoom siv rov ua dua tshiab:

• Kev Tsim Kho Dua Ib Feem: Cov Txheej Txheem rau kev rov qab siv dua thiab rov tsim kho cov menyuam nqa khoom uas puas lawm
• Kev Rov Qab Siv Khoom Siv: Kev Siv Dua Cov Khoom Uas Laus Lawm
• Cov Txuj Ci Txuas Ntxiv Lub Neej: Kev vuam thiab kev ua kom tawv dua tshiab
• Cov Kev Pib Ua Lag Luam Circular Economy: Cov Kev Pabcuam rau kev rov qab los ua lag luam thiab kev tsim khoom dua tshiab

10. Xaus Lus thiab Cov Lus Qhia Txog Kev Npaj

Lub SUMITOMO KBA1141 thiab CASE VC4143A0 khiav tsheb sib dhos rau SH300/SH330/SH350 thiab CX300/CX350 excavators sawv cev rau ib qho khoom siv hnyav-ua haujlwm precision-engineered uas nws qhov kev ua tau zoo ncaj qha cuam tshuam rau kev muaj tshuab, kev ua haujlwm tus nqi, thiab kev ua lag luam profitability. Kev nkag siab txog cov txheej txheem intricacies - los ntawm kev xaiv alloy (SAE 4140/50Mn) thiab forging methodology los ntawm kev ua precision machining, bearing systems, thiab multi-stage seal design - ua rau cov thawj coj khoom siv los txiav txim siab txog kev yuav khoom uas sib npaug tus nqi pib tawm tsam tag nrho tus nqi ntawm kev muaj.

Rau cov neeg ua haujlwm siv cov khoom siv hnyav uas siv SUMITOMO thiab CASE 30-35 tuj excavators, cov lus qhia tseem ceeb hauv qab no tshwm sim:

1. Tsom ntsoov rau cov lus qhia tshwj xeeb rau cov khoom siv hnyav, txheeb xyuas cov qib khoom siv (SAE 4140/50Mn), cov kev kho cua sov (core HRC 48-52, nto HRC 52-58, qhov tob ntawm lub thawv 8-12 hli), thiab tsim lub kaw lus foob rau cov chaw muaj kuab paug.
2. Xyuas kom meej tias lub kaw lus sealing ruaj khov, lees paub tias cov foob hnyav ntau theem nrog kev tiv thaiv labyrinth muab kev tiv thaiv tseem ceeb hauv kev tsim kho thiab cov xwm txheej ntawm chaw txua zeb.
3. Tshuaj xyuas cov neeg muab khoom los ntawm lub lens muaj peev xwm ua haujlwm hnyav, nrhiav pov thawj ntawm kev muaj peev xwm forging, cov khoom siv CNC niaj hnub, kev kho cua sov, thiab cov chaw NDT tiav.
4. Xav tau cov ntaub ntawv thiab cov txheej txheem kom pom tseeb, thov cov ntawv pov thawj khoom siv, cov ntaub ntawv kho cua sov, thiab cov ntawv qhia kev tshuaj xyuas.
5. Siv cov txheej txheem saib xyuas uas tsim nyog, 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 kom tsis txhob lo rau hauv.
6. 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.
7. Tsim kom muaj kev koom tes zoo nrog cov chaw tsim khoom xws li CQC TRACK uas qhia txog kev txawj ntse hauv kev ua haujlwm hnyav, kev cog lus zoo, thiab kev ntseeg siab ntawm cov khoom xa tuaj.
8. Xav txog tag nrho tus 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 thiab kev ua tau zoo sib npaug nrog OEM cov khoom.

Los ntawm kev siv cov ntsiab cai no, cov neeg ua haujlwm khoom siv tuaj yeem tau txais cov kev daws teeb meem hauv qab uas txhim khu kev qha thiab pheej yig uas tswj tau qhov kev ua haujlwm ntawm lub tshuab khawb av thaum ua kom zoo dua qub rau kev lag luam mus sij hawm ntev.

CQC TRACK, ua ib lub chaw tsim khoom tshwj xeeb nrog kev muaj peev xwm tsim khoom sib xyaw thiab kev lees paub zoo rau cov ntawv thov hnyav, sawv cev rau qhov chaw zoo rau SUMITOMO thiab CASE carrier roller assemblies, muab cov khoom zoo rau kev ua haujlwm hnyav nrog cov nqi zoo ntawm kev tsim khoom tshwj xeeb hauv Suav teb.

Cov Lus Nug Feem Ntau (FAQ) rau Cov Ntawv Thov Hnyav

Q: Lub neej ua haujlwm ib txwm ntawm SUMITOMO SH300 / CASE CX300 chav kawm carrier rollers yog dab tsi?
A: Lub neej ua haujlwm txawv nrog rau cov xwm txheej ua haujlwm: kev tsim kho dav dav 6,000-8,000 teev, kev tsim kho hnyav 5,000-7,000 teev, kev ua haujlwm hauv chaw txua zeb 4,500-6,000 teev, kev txhawb nqa kev khawb av 4,000-5,500 teev.

Q: Kuv yuav ua li cas thiaj paub tseeb tias lub log tsheb thauj khoom tom qab ua lag luam ua tau raws li OEM cov lus qhia?
A: Thov cov ntawv qhia txog kev sim khoom siv (MTRs) uas lees paub txog kev sib xyaw ua ke (SAE 4140/50Mn), cov ntaub ntawv pov thawj qhov nyuaj (core HRC 48-52, surface HRC 52-58, case depth 8-12 mm), thiab cov ntawv qhia txog kev tshuaj xyuas qhov ntev.

Q: Dab tsi txawv cov menyuam nqa khoom hnyav thiab cov khoom siv qib txheem?
A: Cov khoom siv hnyav muaj cov yam ntxwv ntawm cov khoom siv txhim kho (SAE 4140), qhov tob ntawm cov ntaub ntawv tawv (8-12 hli), kev xaiv cov kabmob ruaj khov, cov txheej txheem sib khi ntau theem siab heev, 100% kev sim tsis puas tsuaj, thiab kev them nqi lav ntev.

Q: Kuv yuav ua li cas thiaj paub qhov ua tsis tiav ntawm lub foob ua ntej muaj kev puas tsuaj loj heev?
A: Kev tshuaj xyuas tas li yuav tsum xyuas seb puas muaj roj xau nyob ib puag ncig cov foob (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 kev nce kub. Kev tig tsis zoo thaum lub sijhawm kuaj xyuas kev saib xyuas kuj qhia txog kev puas tsuaj ntawm cov foob.

Q: Dab tsi ua rau cov menyuam nqa khoom hnav ua ntej lub sijhawm hauv cov ntawv thov hnyav?
A: Cov laj thawj feem ntau suav nrog kev ua tsis tiav ntawm lub foob uas ua rau muaj cov pa phem nkag mus, kev nruj tsis zoo ntawm txoj kev, kev ua haujlwm hauv cov ntaub ntawv uas muaj kev sib txhuam ntau, kev sib xyaw cov menyuam tshiab nrog cov khoom siv ntawm txoj kev uas hnav lawm, thiab kev sib sau ua ke ntawm cov pa phem 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?
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 qub.

Q: Kuv yuav tsum tau txais kev lees paub dab tsi los ntawm cov neeg muag khoom zoo tom qab muag?
A: Cov chaw tsim khoom lag luam tom qab muag uas muaj koob npe feem ntau muab 1-2 xyoo lav rau kev tsim khoom tsis zoo, nrog rau lub sijhawm them nqi ntawm 3,000-5,000 teev ua haujlwm rau cov ntawv thov hnyav.

Q: Cov menyuam nqa khoom tom qab kev lag luam puas tuaj yeem hloov kho rau cov xwm txheej tshwj xeeb?
A: Yog lawm, cov chaw tsim khoom muaj kev paub zoo 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 xwm txheej tshwj xeeb, thiab kev hloov kho flange geometry.

Q: Cov cim qhia txog kev hnav khaub ncaws tseem ceeb rau cov menyuam yaus excavator yog dab tsi?
A: Cov cim qhia txog kev hnav tseem ceeb suav nrog kev xau ntawm lub foob, txo qhov loj ntawm sab nraud (ntau tshaj 8-12 hli), flange hnav, kev ua si tsis zoo (ntau tshaj 3-4 hli), kev tig tsis zoo, cov menyuam lo rau (sab tiaj tus), kev txhawb nqa tawg lossis khoov, qag qis, thiab kev sib dhos tsis raug.

Q: Yuav tsum tau kuaj xyuas qhov nro ntawm txoj kab ntau npaum li cas?
A: Yuav tsum kuaj xyuas qhov nro ntawm txoj kev khiav txhua 250 teev (txhua lub lim tiam rau kev ua haujlwm 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.

Q: Cov txiaj ntsig ntawm kev yuav khoom los ntawm CQC TRACK yog dab tsi?
A: CQC TRACK muab cov nqi sib tw (30-50% qis dua OEM), muaj peev xwm tsim khoom hnyav nrog SAE 4140 alloy thiab HRC 58-62 qhov nyuaj ntawm qhov chaw, cov txheej txheem sib khi ntau theem siab heev, kev lees paub zoo (ISO 6015: 2019 tau txheeb xyuas), thiab kev txawj ntse hauv kev siv SUMITOMO thiab CASE.

Q: Cov kev coj ua txij nkawm twg ua rau lub neej ntawm cov menyuam nqa khoom ntev dua?
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: Cov txheej txheem khaws cia kom zoo rau cov menyuam nqa khoom seem yog dab tsi?
A: Khaws cia rau hauv ib qho chaw huv si, qhuav uas tiv thaiv tau huab cua. Khaws cia rau hauv lub thawv qub yog tias muaj. Tig ib ntus (txhua 3-6 lub hlis) kom tiv thaiv kev puas tsuaj ntawm cov kabmob. Tiv thaiv kom tsis txhob muaj kuab paug thiab kev puas tsuaj los ntawm kev cuam tshuam.

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