TD025L (49180-01431) – Phase-Optimized Wastegate Turbo Rau VW 1.4T|Transient Overboost Tshem Tawm Ntawm Lub Caij Nplooj Hlav-Mass Decoupling
1. Khoom: TD025L
2. Cov khoom siv sib xws: Diesel Fuel Injection Systems
3. Chaw tsim tshuaj paus: Aftermarket OEM Hloov
4. Cov xwm txheej: Brand tshiab, kuaj tag nrho
5. Keeb kwm: ABOSEDE Diesel
6. Lub sij hawm xa khoom: 3-5 hnub ua haujlwm
7. Cov nqe lus them nqi: T / T, Western Union, PayPal
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- Kev Muaj Peev Xwm Zoo
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Khoom Taw qhia
Lub TD025L turbocharger, tsim los ntawm ib feem naj npawb 49180-01431 (nrog OEM cross-reference 04L253010H), yog engineered los daws qhov teeb meem tsis ntev los no uas tsis tshua tau tham hauv cov ntaub ntawv turbocharger:lub wastegate teb latency mismatchnruab nrab ntawm lub sij hawm ECU hais kom txo qis thiab lub sij hawm cov khib nyiab lub cev qhib. Rau VW Lamando's 1.4T EA211 lub cav, qhov kev tsis sib haum xeeb no tshwm sim raws li qhov kev sib tw loj heev (0.15-0.25 bar saum lub hom phiaj) thaum lub sij hawm kaw nruj nreem kaw, thaum lub phaj throttle kaw tab sis lub qhov rooj khib nyiab tseem raug kaw, ua rau lub zog nthwv dej rau reverberate nyob rau hauv cov khoom noj. TD025L hais qhov no los ntawm adecoupled caij nplooj ntoos hlav- pawg systemnyob rau hauv lub wastegate actuator: tus actuator lub caij nplooj ntoos hlav tus nqi (6.2 PSI) thiab lub txav mass (48g) yog nws tus kheej optimized kom lub ntuj zaus ntawm lub actuator los ua ke (185 Hz) yog ob zaug lub zaus ntawm lub throttle kaw -induced siab pulse (92 Hz). Qhov no decoupling xyuas kom meej tias lub khib nyiab pib qhib 15ms ua ntej lub siab nce mus txog qhov siab tshaj plaws -"ntes" lub overboost nthwv dej ua ntej nws tuaj yeem ntxhov siab rau lub log compressor.
Daim ntawv qhia Compressor: Broad Stability rau EA211 yam ntxwv
Lub tsev compressor nta a32 hli inducernrog 44mm exducer, xa cov huab hwm coj ntau ntawm 0.06-0.16 kg / s ntawm qhov sib piv siab ntawm 1.4: 1 thiab 2.2: 1. Daim ntawv qhia compressor ua tiav nws qhov ua tau zoo tshaj plaws ntawm 74% ntawm 1.8: 1 PR thiab 158,000 RPM, nrog kev nce siab ntxiv mus rau 36% los ntawm ib qhoported daim ntaubuas recirculates 10% ntawm lub qhov hluav taws xob compressor ntws rov qab mus rau inducer thaum lub sij hawm qis - ntws. Qhov kev txhawb nqa qhov pib yog ntsuas rau 1,520 RPM, ua raws li EA211 lub cav qhov kev hloov kho camshaft ua kom taw tes rau seamless qis - kawg torque xa.
Turbine Housing: Flow-Qhov zoo tshaj plaws Volute
Lub turbine vaj tse yog nrum los ntawmNi-Tsis kam D5Snrog 32% nickel cov ntsiab lus, muab lub zog nkag ntawm 65 MPa ntawm 760 degree. Lub volute nta atas li- nrawm nthuav dav profile-tus ntoo khaub lig- ntu ntu nce ntxiv nrog rau lub kaum sab xis, tuav lub nrawm nrawm ntawm 140 m / s thoob plaws lub suab. Qhov no tsis tu ncua -kev tsim tawm no txo qis kev poob siab vim kev nrawm thiab qeeb hauv lub tsev, txhim kho cov turbine tag nrho- rau- zoo li qub efficiency los ntawm 3% piv rau cov tsis yog -linear profiles. Qhov vaj tse A/R piv yog 0.46, xaiv los ua qhov tseem ceeb tsawg-qhov kawg teb rau Lamando tus cwj pwm tsav tsheb hauv nroog.
Turbine Log: Tsawg-Inertia Design for Quick Lift
Lub log turbine yog tsim los ntawmInconel 713 C uanrog rau lub caij nyoog ntawm lub zog ntawm inertia ntawm 0.0022 kg·m², featuring a10-hniav tsimnrog 2℃backsweep lub kaum sab xis. Qhov txo cov hniav suav (los ntawm 12 nyob rau hauv yav dhau los variants) ua rau cov mem tes - tsheb ciav hlau amplitude los ntawm 6%, uas txhim kho qis -RPM teb yam tsis muaj kev cuam tshuam siab -RPM txaus peev xwm. Lub log yog sib npaug rau G1.0 qib nrog qhov seem tsis sib npaug ntawm 0.28 g·mm, kom ntseeg tau tias kev ua haujlwm du mus txog 170,000 RPM.
Compressor Log: Aerodynamic Efficiency
Lub log compressor yog CNC - ua los ntawm forgedAlSi 10Mgbillet nrog nyuaj -anodized txheej (25µm thickness), featuring a6+6 splittered hniavkev teeb tsa. Cov hniav geometry suav nrog 1.2℃rau pem hauv ntej cheb ntawm ntug kev, uas txo cov txheeb ze Mach tus lej rau 0.84 ntawm qhov tsim ntws taw tes, txo qis kev poob siab. Lub log lub aerodynamic tsim yog validated rau EA211 lub cav qhov sib txawv ntawm - lub sij hawm kom tsawg cam, uas hloov qhov zoo compression piv thiab hloov qhov boost thov nkhaus los ntawm ± 8%.
Kev lag luam-Tsom FAQ
Q1: Dab tsi yog "decoupled spring-mass system" txhais li cas hauv cov ntsiab lus?
Nws txhais tau hais tias tus actuator caij nplooj ntoos hlav tus nqi (nruab nrab) thiab qhov hnyav txav (nplooj) yog tsim los ntawm nws tus kheej los tsim ib lub ntuj zaus (185 Hz). Qhov zaus no raug xaiv kom phim lub overboost mem tes zaus los ntawm lub kaw lus kaw (92 Hz) raws li 2: 1 harmonic, ua rau cov khib nyiab qhib sai dua thaum lub sijhawm tsis muaj kev cuam tshuam tsis tu ncua - xeev boost tswj.
Q2: Lamando's EA211 lub cav muaj qhov paub "boost spike" qhov teeb meem ntawm downshifts. Puas yog qhov turbo no tshem tawm tag nrho?
TD025L txo qhov nce siab los ntawm kwv yees li 80%, los ntawm 0.25 bar dhau lub hom phiaj mus rau 0.05 bar dhau lub hom phiaj. Qhov seem 0.05 bar yog vim muaj kev txwv lub cev ntawm pneumatic actuator lub sij hawm teb (tsawg kawg 25ms), uas tsis tuaj yeem txo qis yam tsis muaj hluav taws xob actuator. Rau qhov seem ntxiv, ECU lub tswv yim tiv thaiv overboost yog txaus los tiv thaiv kev puas tsuaj.
Q3: Kuv muaj theem-1 remap uas nce boost rau 1.6 bar. Lub decoupled actuator puas tseem ua haujlwm raug?
Tus actuator tus yam ntxwv decoupling yog linear txog 1.8 bar. Tshaj qhov siab no, lub caij nplooj ntoos hlav deflection nkag mus rau qhov tsis yog -linear ntau yam, thiab lub ntuj zaus hloov pauv los ntawm ± 10%, txo qhov kev siv nyiaj ntau dhau. Rau theem-1 (1.6 bar), cov nyiaj them poob haujlwm yog tag nrho; rau theem-2 (1.9 bar), yuav tsum tau hloov dua tshiab actuator nrog lub caij nplooj ntoos hlav stiffer.
Q4: Lub turbo tuaj nrog lub graphite composite gasket, tab sis kuv lub manifold muaj ib tug me ntsis warp. Qhov no puas yuav foob?
Graphite composite gaskets muaj qhov ua tau zoo ntawm 0.15mm, txhais tau tias lawv tuaj yeem kaw qhov flange flatness sib txawv ntawm txog 0.15mm. Yog tias koj lub manifold warp tshaj qhov no, peb pom zoo kom siv ntau- txheej steel (MLS) gasket nrog 0.3mm conformability ntau. Xyuas kom lub manifold nto yog ntxuav ntawm cov pa roj carbon deposits ua ntej installation - lub gasket yuav tsis muab khi rau tsa cov pa roj carbon flakes.
Q5: Lub semi-floating bearing muaj 0.042mm inner clearance. Qhov no puas siv tau nrog 5W-40 roj?
Yog -0.042mm yog tus qauv tshem tawm rau TD025L nrog 5W-40. Yog tias koj siv 0W-20 (qis viscosity), cov roj zaj duab xis thickness txo mus rau 3.2µm (piv rau 4.2µm nrog 5W-40), uas tau txais tab sis txo cov kabmob lub neej kwv yees li 15%. Peb pom zoo kom tswj hwm lub Hoobkas tshwj xeeb 5W-40 viscosity kom siab tshaj plaws.
Q6: Qhov turbo no yog rau lub cav roj av, tab sis cov lus nug hais txog ntau yam -rail diesel systems. Puas muaj kev sib koom siv tshuab?
Tau- txoj kev tsom xam zaus siv los txiav txim siab qhov overboost pulse zaus (92 Hz) tau hloov kho los ntawm ntau yam -rail diesel injector siab yoj tsom xam. Hauv kev sib koom- txoj kab tsheb ciav hlau, kev hloov pauv siab raug tshuaj xyuas los txiav txim siab lub sijhawm lub sijhawm; tib txoj kev hloov pauv Fourier tau siv rau lub kaw lus kaw lub zog yoj txhawm rau txheeb xyuas qhov zaus tseem ceeb rau kev ua kom zoo ntawm cov khib nyiab.




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Cim npe nrov: td025l (49180-01431) – theem-optimized wastegate turbo rau vw 1.4t|transient overboost tshem tawm ntawm caij nplooj ntoos hlav-mass decoupling, Tuam Tshoj td025l (49180-01431) – theem-optimized wastegate turbo rau vw 1.4t|transient overboost tshem tawm ntawm lub caij nplooj ntoos hlav-mass decoupling manufacturers, lwm tus neeg, Hoobkas
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