LIEBHERR 10007992-5209249-5601511-5601611-9109493-2105021 R974-HS870 Txoj Kev Khiav Hauv Qab Cov Menyuam Assy / Lub luag haujlwm hnyav crawler / txoj kev / chassis Cheebtsam qhov chaw Hoobkas & chaw tsim khoom-cqctrack (HELI)

Cov Ntaub Ntawv Txog Kev Siv Tshuab: Lub Rooj Sib Dhos Hnyav Rau Liebherr R974 / HS870 Hydraulic Excavators

Tus Txheeb Xyuas Daim Ntawv: LIEBHERR-R974-HS870-Hauv Qab-Roller-Assy-CQCTrack
Kev Faib Tawm: Cheebtsam Hauv Qab | Crawler System | Hloov Khoom

1. Cov Lus Qhia Tseem Ceeb & Txheej Txheem Cej Luam

Daim ntawv no muab cov lus piav qhia txog kev ua haujlwm ntawm Track Bottom Roller Assembly (tseem hu ua Carrier Roller lossis Lower Roller), uas yog ib qho tseem ceeb rau Liebherr R974 thiab HS870 series hydraulic excavators. Lub rooj sib txoos no tau tsim los ua haujlwm hauv qab cov khoom siv hnyav thiab cov khoom siv dynamic hauv cov chaw hnyav xws li kev khawb av, kev khawb av, thiab kev tsim kho hnyav. Cov lej ntawm cov khoom siv (suav nrog10007992, 5209249, 5601511, 9109493) cuam tshuam rau qhov kev sib dhos tshwj xeeb no thiab nws cov khoom me me lossis cov qauv ua ntej. Raws li lwm txoj hauv kev zoo tom qab kev lag luam, cov chaw tsim khoom zoo li CQCTrack (ib qho kev faib tshwj xeeb ntawm HELI Group) tsim cov khoom no kom ua tau raws li lossis tshaj qhov kev ua tau zoo ntawm cov khoom siv qub, muab kev daws teeb meem zoo thiab pheej yig rau kev saib xyuas hauv qab.

2. Lub Luag Haujlwm Tseem Ceeb & Lub Luag Haujlwm Ua Haujlwm hauv Crawler System

Lub Rooj Sib Dhos Hauv Qab yog ib qho tseem ceeb ntawm lub kaw lus crawler, ua peb txoj haujlwm tseem ceeb:

• Kev Thauj Khoom & Kev Faib Qhov Hnyav: Nws txhawb nqa ib feem tseem ceeb ntawm lub tshuab qhov hnyav ua haujlwm loj heev (R974 / HS870 tuaj yeem tshaj 80-100 tons), hloov cov khoom thauj los ntawm lub mainframe los ntawm lub thav duab dov thiab mus rau ntawm txoj saw hlau.
• Kev Taw Qhia thiab Kev Sib Tho Txoj Kev: Lub log muaj cov flanges uas tau ua kom raug ntawm ob sab uas coj ntug sab hauv ntawm cov saw hlau ntawm txoj kev (cov "khau" ntawm txoj kev). Qhov no tiv thaiv kev tawm ntawm sab thiab ua kom txoj kev khiav mus raws li tag nrho lub hauv qab.
• Kev Tswj Xyuas Kev Tawm Tsam: Nws tswj qhov ntau ntawm kev npaj ua ntej thiab kev tawm tsam hauv seem sab saud ntawm txoj saw hlau, uas yog qhov tseem ceeb rau kev koom tes sprocket zoo, txo kev co, thiab kev sib kis fais fab zoo tshaj plaws.

3. Cov Lus Qhia Txog Kev Siv Tshuab & Kev Tsim Qauv Engineering

3.1. Kev Siv Tau & OEM Siv Tau:

• Cov Qauv Tshuab Tseem Ceeb: Liebherr R974 Litronic, HS870, thiab lawv cov variants.
• OEM Qhov Tooj:10007992, 5209249, 5601511, 5601611, 9109493, 2105021(Cov lej no yuav sib xws rau cov khoom sib dhos tiav, cov menyuam ib leeg, lossis cov khoom siv teeb tsa. Lub chaw tsim khoom tau ntawv pov thawj zoo li CQCTrack tswj hwm cov ntaub ntawv sib txuas lus kom raug).

3.2. Tsim thiab Siv Tshuab Kho Tshuab:

• Hom: Kaw thiab Lubricated (S&L) Hnyav-Duty Carrier Roller.
• Vaj Tse/Kev Forging: Ua los ntawm cov hlau alloy uas muaj cov pa roj carbon ntau, muaj zog heev (piv txwv li, 40Mn2, 50Mn) los ntawm kev siv lub tshuab forging kaw. Cov txheej txheem no ua kom cov khoom ntws mus tas li, tiv taus kev cuam tshuam zoo dua, thiab muaj zog qaug zog zoo dua piv rau cov khoom cam khwb cia.
• Ncej: Ua los ntawm cov hlau chromium alloy uas tau tawv (piv txwv li, 42CrMo), muab lub zog tensile siab thiab tiv taus kev hnav ntawm cov kabmob phau ntawv xov xwm.
• Tsim Flange: Kev teeb tsa ob-flanged los muab kev taw qhia zoo thiab kev tswj hwm rau txoj saw hlau.

3.3. Kev Tshawb Fawb Txog Khoom Siv Thiab Kev Ua Hlau:

• Cov Khoom Siv Qib: Cov Hlau Carbon Siab, Boron, lossis Chromium-Manganese Alloy Steels.
• Kev Kho Mob Kub: Cov chaw hnav tseem ceeb raug tswj hwm Induction Hardening kom ua tiav qhov nyuaj ntawm 55-60 HRC (Rockwell C Scale), ua rau lub thawv tob, ruaj khov nrog lub hauv paus ruaj khov, nqus tau kev co.
• Xaus: Tua blasting rau kev txo kev ntxhov siab thiab kev npaj nto, ua raws li cov xim pleev xim uas lo rau siab, tiv taus xeb (feem ntau yog epoxy primer thiab polyurethane topcoat).

3.4. Lub Tshuab Bearing & Sealing (Lub Hauv Paus ntawm Kev Ruaj Khov):

• Hom kabmob: Ob kab, cov kabmob tapered roller hnyav. Cov no raug xaiv rau lawv lub peev xwm thauj khoom radial siab thiab muaj peev xwm tswj tau cov khoom thauj axial nruab nrab.
• Lub Tshuab Kaw: Ntau yam kev thaiv, labyrinth-style foob sib dhos. Qhov no feem ntau muaj xws li: Lubrication: Ua ntej ntim nrog lub roj lithium complex uas kub thiab siab heev (EP) uas tsim los kom tswj tau viscosity thiab lubricity hauv txhua qhov xwm txheej ua haujlwm.
  • Lub foob tseem ceeb: Lub foob nitrile (NBR) lossis polyurethane (PU) radial di ncauj.
  • Lub foob thib ob: Lub foob ntsej muag ntab lossis daim di ncauj plua plav ntxiv.
  • Txoj Kev Labyrinth: Ib txoj kev nyuaj, siv tshuab uas tshem tawm cov khoom qias neeg (silica, av nkos, hmoov av) ntawm chav bearing.

4. Cov Txheej Txheem Tsim Khoom & Kev Ntsuam Xyuas Zoo ntawm CQCTrack (HELI)

Ua ib lub chaw tsim khoom tshwj xeeb, CQCTrack siv cov txheej txheem tsim khoom nruj heev:

1. Kev Forging & Forming: Cov billets nyoos raug cua sov thiab forged nyob rau hauv siab siab los tsim cov roller blank, kom ntseeg tau tias cov hlau zoo tshaj plaws.
2. Kev Siv Tshuab: CNC (Computer Numerical Control) tig thiab tho qhov chaw siv los tshuab lub roller lub sab nraud, flanges, thiab sab hauv kom nruj tolerances (feem ntau IT7-IT8).
3. Kev Kho Mob Kub: Cov khoom siv raug tswj hwm los ntawm kev quenching thiab tempering, ua raws li kev ua kom tawv induction ntawm qhov chaw khiav sab nraud thiab flanges.
4. Kev Sib Dhos & Kev Kaw: Cov kabmob thiab cov ntsaws ruaj ruaj raug nias rau hauv qhov chaw hauv chav huv. Tom qab ntawd lub tshuab raug ntim nrog cov roj kom raug.
5. Kev Tswj Xyuas Zoo (QC):
   • Kev Tshuaj Xyuas Qhov Loj: CMM (Coordinate Measuring Machine) kev txheeb xyuas txhua qhov loj me tseem ceeb.
   • Kev Ntsuas Qhov Nyuaj: Kev ntsuam xyuas Rockwell thiab Brinell ntawm cov chaw tshwj xeeb.
   • Kev Ntsuas Kev Ua Haujlwm: Kev ntsuas lub zog tig thiab kev khiav tawm kom ntseeg tau tias kev ua haujlwm du thiab kev ua haujlwm ntawm lub foob kom raug.
   • Daim Ntawv Pov Thawj Khoom Siv: Daim ntawv pov thawj zeb rau cov khoom siv raw thiab kev tshuaj xyuas cov tshuaj lom neeg.

5. Kev Tshawb Fawb Txog Kev Yuav Khoom Thiab Kev Muab Khoom

• Kev Txheeb Xyuas Chaw Tsim Khoom: CQCTrack ua haujlwm ua lub Hoobkas tsim khoom siv hauv qab tsheb hauv HELI Group ecosystem. HELI yog ib lub koom haum lag luam thoob ntiaj teb, muab cov khoom siv tsim nyog, kev muaj peev xwm R&D, thiab cov txheej txheem tswj xyuas zoo (piv txwv li, ISO 9001, ISO 14001) rau kev tsim cov khoom siv tshuab zoo tshaj plaws hauv ntiaj teb.
• Kev Tsim Nyog: Kev yuav cov khoom no los ntawm lub Hoobkas zoo li CQCTrack muab lwm txoj hauv kev uas muaj nqis rau cov khoom OEM tiag tiag. Nws muab cov nqi ncaj qha los ntawm lub Hoobkas nrog kev tsim kho uas tau tsim los kom tiv taus cov xwm txheej nyuaj uas Liebherr R974 / HS870 tau tsim.

6. Cov Lus Qhia Txog Cov Txiaj Ntsig Tseem Ceeb ntawm Kev Siv Tshuab

• Muaj Peev Xwm Thauj Khoom Zoo Tshaj Plaws: Tsim los rau qhov hnyav heev thiab kev thauj khoom hnyav ntawm cov khawb av.
• Kev Tiv Thaiv Kev Sib Txhuam Zoo Dua: Kev sib zog ua kom tawv tawv tob tob ua rau lub neej ua haujlwm ntev dua hauv cov chaw uas muaj kev hnav ntau.
• Kev Tshem Tawm Kev Ua Phem Siab Tshaj Plaws: Lub kaw lus kaw ntau theem tiv thaiv cov kabmob, uas yog lub hauv paus tseem ceeb tshaj plaws ntawm cov khoom.
• Kev Tsim Kho Kom Zoo: CNC machining ua kom muaj kev sib raug zoo thiab haum nrog cov ncej dov thiab cov saw hlau uas twb muaj lawm.
• Kev Tsim Kho Ruaj Khov: Lub cev forged muab kev ruaj khov ntawm cov qauv tsis sib xws thiab kev cuam tshuam tsis kam.

Xaus lus, Lub Rooj Sib Dhos Hauv Qab ntawm Cov Menyuam Uas Tau teev tseg rau Liebherr R974 / HS870 sawv cev rau qhov siab tshaj plaws ntawm kev tsim kho hauv qab hnyav. Cov chaw tsim khoom zoo li CQCTrack, siv lub zog ntawm HELI Group hauv kev lag luam, rov ua dua thiab xa cov khoom no nrog kev cog lus ruaj khov rau qhov zoo ntawm cov khoom siv, qhov tseeb ntawm qhov ntev, thiab kev ua haujlwm ruaj khov uas xav tau rau kev ua haujlwm hauv kev lag luam 24/7.