00U645 / U645 Roj Txhaj Plunger - Yam tsawg kawg qhov seem seem thiab kev xa khoom sib xws rau siab -Txoj Siab Ntau- Rail Precision
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00U645 / U645 Roj Txhaj Plunger - Yam tsawg kawg qhov seem seem thiab kev xa khoom sib xws rau siab -Txoj Siab Ntau- Rail Precision

00U645 / U645 Roj Txhaj Plunger - Yam tsawg kawg qhov seem seem thiab kev xa khoom sib xws rau siab -Txoj Siab Ntau- Rail Precision

1. Khoom: 00U645 / U645 plunger
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
  • 24\/7 Cov Neeg Siv Khoom
Khoom Taw qhia

Nyob rau hauv siab -siab ntau- txoj kab kev txhaj tshuaj, cov roj uas tseem nyob hauv lub tshuab nqus dej tom qab qhov chaw nres nkoj nchuav kaw -theresidual ntim- yog ib qho tseem ceeb tsis tau pom ntau zaus uas txiav txim siab qhov sib xws ntawm qhov kev txhaj tshuaj tom ntej. Cov00U645 / U645los ntawm Weifu yog engineered nrog ibyam tsawg kawg nkaus residual ntim(6.8 mm³ ntawm qhov chaw tuag saum toj kawg nkaus), uas yog 28% qis dua li 9.5 mm³ zoo li tus qauv plungers. Qhov kev txo qis no yog ua tiav los ntawm asculpted plunger taub haunrog ib tug concave profile uas minimizes qhov chaw tuag saum lub plunger, thiab aprecisely positioned spill portuas kaw ua ntej ntawm lub compression stroke, trapping tsuas yog cov roj uas tsim nyog rau kev xa khoom tam sim ntawd. Qhov txiaj ntsig ntawm qhov qis seem seem yogtxhaj tshuaj zoo tshaj - mus rau - txhaj tshuaj sib xws: cov roj uas raug kaw muaj tsawg lub sij hawm mus rau lub siab nthwv dej reflections thiab thermal expansion, yog li nws qhov ceev yog xav tau ntau dua. Hauv kev sim ntawm 1,800 bar thiab 1,500 rpm, 00U645 ua qauv qhiaKev hloov pauv ntawm ± 0.8%hla 5,000 lub voj voog sib law liag, piv rau ± 1.8% rau plungers nrog cov seem loj dua. Lub plunger lub nominal txoj kab uas hla ntawm10.5 hlithiab stroke ntawm15.0mm 3muab tso rau hauv tib chav kawm li 00U632 thiab 00U638, tab sis nrog ataub hau geometry optimizationuas ua rau nws tshwj xeeb tshaj yog haum rauhigh-siab ntau-rail systems(2, 000+ bar) thiab rau cov cav uas ua haujlwmntau lub tswv yim txhaj tshuajnrog lub sijhawm nyob luv luv, xws li cov nyob hauvtsheb neeg nrog caijthiablub teeb coj mus muag tsheb.

 

🔧 Concave Head Geometry - Kev Tshawb Fawb ntawm Volume Minimization

Lub 00U645 / U645 plunger lub taub hau nta akheej kheej-concave profilenrog lub vojvoog ntawm 4.5 hli, uas txo cov chamber ntim ntawm TDC los ntawm 1.8 mm³ piv rau lub tiaj tus - taub hau plunger. Qhov no concave zoo kuj txhawb ibsmoother ntws hloovraws li cov roj tawm ntawm lub chamber los ntawm lub qhov hluav taws xob valve, txo qhov kev kub ntxhov uas tuaj yeem ua rau muaj kev kub ntxhov. Lub plungertswj ntugyog ib qho -helix tsim nrog lub kaum sab xis 28℃- tib lub kaum sab xis raws li 00U634-tab sis 00U645 muaj0.3 mm luv dua ua ntej-stroke(1.5 mm vs . 1.8 mm), txhais tau hais tias qhov chaw nres nkoj spills kaw ua ntej, ntxiab qhov tsawg kawg nkaus roj ntim. Qhov luv luv ua ntej -stroke kuj ua rau ame ntsis siab compression pivnyob rau hauv lub twj tso kua mis chamber, uas txhim kho lub siab nce tus nqi thaum lub sij hawm thaum ntxov ntawm kev txhaj tshuaj - ib tug feature tshwj xeeb tshaj yog tseem ceeb raupilot txhajqhov twg ceev ceev tsim- yuav tsum tau rau cov roj atomisation meej.

 

📊 Daim Ntawv Qhia Daim Ntawv Pov Thawj - Siab -Txoj Siab thiab Ntau Ntau -Kev Txhaj Tshuaj

Lub plunger teeb no hloov cov lej OEM00U645, U645, thiab Bosch code 9 445 220 555. Nws yog feem ntau teev rauniaj hnub neeg nrog caij tsheb diesel xyaw(eg, BMW M57/N57, Mercedes OM651, VW EA288) thiablub teeb coj mus muag tsheb(Ford Transit, Iveco Txhua Hnub) uas ua haujlwm nrog kev tsheb ciav hlau siab txog 2,200 bar thiab ntiav mus txog7 txhaj tshuaj ib zaug. Lub 00U645 kuj sib xws nrogBosch CP4.2thiabDenso HP4twj tso kua mis platforms, uas yog muaj nyob rau hauv siab -kev ua tau zoo thiab emissions-sensitive daim ntaub ntawv. Lub plungercoj ntevyog 25.0mm, thiab nws nqa aib leeg liab qhia paub bandntawm lub tes tsho tswj, qhov txawv ntawm 00U632 (daj), 00U634 (ntsuab), thiab 00U638 (dawb). Lub thoobsab nraud txoj kab uas hlayog 28,0mm aplaub -bolt flangesib piv 00U502 thiab 00U635.

 

📉 Residual Volume thiab Consistency Data

Performance validation nyob rau hauvISO 8178 D2 (Automotive)thiabNRTC (tsis yog -txoj kev hla)cycles, nrog rau siab -ceev siab transducers (20 kHz), qhia 00U645 qhov zoo ntawm kev txhaj tshuaj zoo ib yam. Ntawm 2,000 bar thiab 1,800 rpm (tus neeg caij tsheb caij nkoj ib txwm muaj), lub plunger tau xatxhais tau hais tias txhaj tshuaj kom muaj nuj nqis ntawm 18.5 mm³ ib strokenrog acycle-rau-cycle standard deviation ntawm 0.15 mm³-qis qis dua li 0.35 mm³ pom nrog tus qauv plunger. Covresidual ntimtseem nyob ruaj khov ntawm 6.8-7.0 mm³ thoob plaws qhov kev ua haujlwm kub (0-100 degree), ua tsaug rau qhov sib txuam thermal expansion ntawm lub plunger thiab chim. Internal to ntawm 1,800 bar yog4.5%ntawm tag nrho cov ntws- siab me ntsis siab dua lub ultra- nruj 00U642 vim lub luv ua ntej -stroke thiab lub taub hau concave geometry, tab sis qhov no yog ib qho kev lag luam uas tau txais-tawm rau kev txhim kho kev txhaj tshuaj zoo sib xws. Volumetric efficiency yog 93.5% ntawm 1,800 bar, poob rau 92.0% ntawm 2,200 bar.

 

🛠️ Kev teeb tsa - Ua ntej-Kev Tshawb Fawb Kev Tshawb Fawb thiab Kev Tiv Thaiv Lub Taub Hau Geometry

Kev txhim kho 00U645 yuav tsum tau ua tib zoo xyuas qhov tseebua ntej - mob stroke- qhov kev ncua deb ntawm TDC mus rau qhov chaw uas lub taub hau plunger lub concave profile pib compress roj. Qhov no yog ntsuas siv adial gaugenrog ib tug tshwj xeeb adapted sojntsuam uas ncav lub concavity. Lub pre-stroke yuav tsum yog1.50mm ± 0.02 hli-kev sib txawv ntau dua 0.03 hli yuav cuam tshuam rau qhov seem seem thiab xa khoom sib xws. Ntxig lub plungervertically yam tsis muaj kev sib hloovlos tiv thaiv lub concave profile, raws li txhua sab - khawb tuaj yeem tsim cov kev ntxhov siab hauv zos uas txo cov qaug zog lub neej. Torque lub twj tso kua mis taub hau bolts rau60 N·mnyob rau hauv ib tug ntoo khaub lig qauv, ua raws li los ntawm75℃angular zawm-zoo tib yam rau 00U635. Tom qab sib dhos, akev kuaj kev xa khoom sib xwsntawm 1,800 rpm thiab 1,800 bar yog pom zoo: tus coefficient ntawm variation (CoV) ntawm cov khoom xa tuaj yuav tsum tsawg dua 1.2% tshaj 100 cycles. Yog tias CoV ntau dua 2%, qhov ua ntej -stroke lossis lub taub hau geometry yuav raug cuam tshuam.

 

❓ Cov lus nug nquag nug (FAQ)

Q1: Yuav ua li cas yog lub 00U645 qhov txo qhov seem ntim txhim khu kev ua kom zoo ntawm lub tsheb niaj hnub diesel neeg nrog caij?
Qhov seem seem zoo ib yam txhais tau tias txhua qhov kev txhaj tshuaj -pilot, pre, main, post- tau txais cov roj tib yam nrog qhov sib txawv me ntsis. Qhov no txo ​​cov kev hloov pauv hauv lub tog raj kheej siab, uas txo cov suab nrov ntawm lub cav thiab kev co, tshwj xeeb tshaj yog thaum tsis muaj zog thiab tsis muaj load. Koj yuav pom lub tshuab ua kom zoo dua qub, ntsiag to uas hnov ​​​​lus teb ntau dua rau cov khoom siv throttle.

Q2: Kuv puas tuaj yeem nruab 00U645 hauv lub twj tso kua mis uas yog siv 00U634 (kuj 10.5 hli txoj kab uas hla)?
Yog lawm, ob qho tib si yog 10.5 hli txoj kab uas hla, tab sis 00U645 muaj 0.3 hli luv dua ua ntej-stroke thiab lub taub hau sib txawv. Kev teeb tsa lub cev muaj peev xwm ua tau, tab sis koj yuav tsum rov ntsuas ECU roj daim ntawv qhia kom suav rau qhov sib txawv ntawm kev xa khoom sib txawv - txwv tsis pub, koj tuaj yeem ntsib ntau dua - roj ntawm qhov hnyav. Peb pom zoo kom lub rooj zaum calibration.

Q3: Vim li cas 00U645 thiaj li muaj qhov xau siab me ntsis (4.5%) dua li ultra- nruj 00U642 (3.2%)?
Lub taub hau concave geometry thiab luv luv ua ntej -stroke yuav tsum tau ib tug me ntsis loj khiav clearance (3.0 µm vs . 2.4 µm) kom haum raws li smoother ntws hloov thiab txo cov kev ntxhov siab ntawm lub taub hau profile. Qhov kev xau siab dua yog kev lag luam tsim kev paub zoo-tawm rau 35% kev txhim kho hauv kev txhaj tshuaj zoo ib yam.

Q4: Kuv yuav ua li cas ntsuas qhov ua ntej -stroke rau 00U645, muab lub taub hau qhov profile?
Koj xav tau lub dial gauge nrog lub taw tes taw qhia (voj vojvoog 0.5 mm) uas tuaj yeem hu rau qhov chaw ntawm qhov concavity. Zero lub ntsuas ntawm TDC, tom qab ntawd tig lub twj tso kua mis rov qab mus txog thaum lub plunger hu rau qhov chaw nres nkoj spill- kev nyeem ntawv yog qhov ua ntej -stroke. Yog tias koj tsuas muaj lub tiaj tus - lub ntsuas ntsuas, nws yuav kov lub ntug ntawm qhov concavity, muab kev nyeem ntawv tsis tseeb- nug koj tus neeg muab khoom siv rau kev sojntsuam sib xws.

Q5: Puas yog 00U645 haum rau siab - lub cav tsheb kauj vab (tshaj 500,000 km) uas tuaj yeem hnav cov twj tso kua mis?
Lub 00U645 yog tsim los rau precision siab -lub tshuab siab thiab xav tias muaj vaj tse nyob rau hauv qhov zoo (runout Tsawg dua los yog sib npaug rau 0.02 hli). Yog tias koj lub tsev muaj qhov hnyav hnyav, qhov kev xav tau ntawm lub taub hau concave yuav tsis ua tiav, thiab kev xa khoom sib xws yuav poob qis. Rau kev tsim kho dua tshiab nrog cov tsev nyob hnav, peb pom zoo 00U639 (kev tshem tawm rov qab) lossis 00U640 (kev qaug zog tsis kam) hloov.

Q6: Puas yog silicon-doped DLC txheej yuav tsum muaj kev tuav tshwj xeeb thaum lub sijhawm teeb tsa kom tsis txhob muaj qhov adhesion tsis ua haujlwm?
Cov txheej txheej muaj zog, tab sis zam tsis txhob muaj kev cuam tshuam rau lub taub hau lub taub hau lub vojvoog - siv cov cuab yeej hlau los txhuam cov pa roj carbon seem ntawm lub taub hau tuaj yeem ua rau cov txheej txheem puas tsuaj. Ib txwm siv cov yas scraper thiab ntxuav lub plunger nrog cov kuab tshuaj pom zoo (piv txwv li, isopropyl cawv) ua ntej kev teeb tsa, vim qee cov tshuaj ntxuav tom qab muaj cov tshuaj phem uas tuaj yeem tawm tsam DLC matrix.

 

Cov ntaub ntawv tseem ceeb txog Lub Tuam Txhab

 

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