WEIFU U4101 / 00U4101 Roj Txhaj Plunger - Optimized Compression-Stroke Flow Dynamics Rau Txo Cov Txhaj Txhaum Cai
1. Khoom: U4101 / 00U4101 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
- Ceev ceev
- Kev Muaj Peev Xwm Zoo
- 24\/7 Cov Neeg Siv Khoom
Khoom Taw qhia
Hauv cov txheej txheem kev tsheb ciav hlau, lub sijhawm nruab nrab ntawm qhov pib ntawm lub plunger lub zog nce mus thiab lub sijhawm lub tsheb ciav hlau siab mus txog qib tau hais tseg -paub tias kev txhaj tshuaj ncua - yog txiav txim siab tsis yog los ntawm lub twj tso kua mis lub tshuab ceev, tab sis kuj los ntawm covhydraulic kuj nyob rau hauv lub compression chamber. Raws li lub plunger nce, roj yuav tsum dhau los ntawm qhov chaw nres nkoj thiab xa lub valve kom ncav cuag txoj kev tsheb ciav hlau; ib qho kev txwv nyob rau hauv txoj kev no, tshwj xeeb tshaj yog nyob rau hauv txoj kev hloov ntawm lub plunger crown mus rau lub helix, tsim ib tug siab lag uas qeeb fueling. Qhov no yog qhov teeb meem tshwj xeeb tshaj yog thaum lub sijhawm hloov pauv (piv txwv li, kev nrawm ntawm qhov tsis ua haujlwm), qhov twg ECU xav tau kev hloov pauv sai. CovU4101 / 00U4101los ntawm WEIFU hais qhov no los ntawm kev nthuav qhia acompression-relief chamferntawm lub helix nkag-geometry uas txo cov dej ntws hauv zos thaum lub sij hawm pib ntawm lub tshuab nqus tsev twj tso kua mis, tso cai rau siab kom nce nrawm dua thiab txo lub sij hawm lag luam ntawm qhov injector hais kom ua thiab cov roj xa tawm tiag tiag.
📐 Compression-Relief Chamfer - Lowering Inlet Resistance
U4101 nta a15℃chamfernrog 0.3 hli radial qhov tob, hauv av mus rau hauv cov ntug ntawm lub helix- qhov taw tes uas lub plunger qhov chaw nres nkoj spill pib kaw thaum lub sij hawm upward stroke. Qhov no chamfer tsim ibTxoj kev vam meej: raws li lub plunger nce, lub chamfer maj mam txo qhov chaw nres nkoj qhov chaw nres nkoj, es tsis txhob kaw tam sim ntawd. Qhov kev tswj xyuas no txo qis qhov siab tshaj plaws khiav ceev thiab cuam tshuam kev poob siab, tso cai rau lub compression chamber los tsim lub siab ntau smoothly thiab sai. Computational Fluid Dynamics (CFD) simulations qhia tau hais tias lub siab lag los ntawm qhov pib ntawm lub twj tso kua mis kom ua tiav 1,200 bar yog txo los ntawm 18 ms ntawm 1,500 rpm-a22% kev txhim khotshaj tus qauv uas tsis yog-chamfered designs.
Measured txhaj tshuaj teb cov txiaj ntsig:
Lub sij hawm txij thaum pib ntawm lub twj tso kua mis mus rau 1,200 bar:65ms ib(piv rau 83 ms rau tus qauv plunger) - txo qis ntawm 18 ms
Rail siab overshoot thaum nrawm nrawm: txo los ntawm 140 bar rau95bar ua- txo qis 32%, txhim kho ECU tswj
Tsawg kawg energizing lub sij hawm rau ruaj khov pilot txhaj: shortened los ntawm30 μs, ua kom paub meej ntau cov tswv yim txhaj tshuaj
Kev hloov pauv thaum lub sijhawm hloov pauv hloov pauv: ± 0.9% (tiv thaiv ± 1.6% rau tus qauv)
Dimensional parameters:
Plunger txoj kab uas hla:10.5 hli(IT4, roundness Tsawg dua lossis sib npaug ntawm 0.9 μm) - lub hom phiajcompact-rau-nruab nrabcav (2.5-4.5 litres)
Ua haujlwm stroke:12.5 hli
Helix: ib leeg-lead, sab laug-tes, nrog chamfer ntawm ntug kev (helix nkag sab)
Chamfer: 15℃× 0.3 mm qhov tob, tag nrho helix dav
Maximum rail siab:1,800 Ib (burst >2,100 bar)
Internal to @ 1,400 bar:6.2 ml / min- tsis hloov, vim lub chamfer tsis cuam tshuam rau lub sealing band
🔩 Cov khoom siv thiab qhov chaw tiav - Khaws qhov Flow Edge
U4101 yog tsim los ntawm achromium-molybdenum-vanadium hlau(DIN 1.2367), carburised rau 0.55 hli (62 - 64 HRC). Lub chamfer yog hauv av siv lub pob zeb diamond-tipped log tom qab kev kho cua sov, ua tiav qhov kawg ntawm Ra 0.025 μm thiab ntug vojvoog ntawm Tsawg dua lossis sib npaug li 0.02 hli. Lub ntsej muag ntse yog qhov tseem ceeb rau kev taw qhia ntws; tej rounding txo cov txiaj ntsig. Peb tshuaj xyuas lub chamfer geometry ntawm txhua lub plunger siv tus contact profileometer, nrog kev kam rau siab ntawm ± 0.02 hli ntawm qhov tob thiab ± 0.5℃ntawm lub kaum sab xis.
🛤️ Daim Ntawv Thov Scope – Transient-Sensitive Platforms
U4101 tshwj xeeb tshaj yog haum rau cov cav uas ua haujlwm hauv kev nres tsheb pib, nquag thauj khoom caij tsheb kauj vab, lossis kev siv hybrid uas cov lus teb ceev ceev yog qhov tseem ceeb:
TSI HP 3.5thiabHP 4- siv nyob rau hauv 2.5 - 4.5-liter tsheb neeg nrog caij thiab lub teeb coj mus muag diesel xyaw
Bosch CP1thiabCP 3(fast-response variant) - haum rau BMW 2.0d, Ford 2.0 TDCI, thiab PSA 2.2 HDi
Denso HP 3- tam sim no hauv qee tus qauv Toyota, Nissan, thiab Mazda diesel
QR-txuas txuas lub cuab yeej (ntawm lub thawv) lees paub kev sib raug zoo los ntawm cov qauv twj tso kua mis, kom ntseeg tau tias qhov ntws-optimized helix raug sib raug zoo.
📊 Visual Innovation - Kev Sib Tham Siab-Rise
Ntawm lub ntim ntim, peb luam alub sij hawm siab graphoverlaying U4101 txoj kev nrawm nrawm (steeer txoj kab nqes) tiv thaiv tus qauv plunger lub lagging nkhaus. Qhov txawv yog pom tam sim ntawd -U4101 ncav cuag lub hom phiaj siab sai dua. Tsis tas li ntawd, txhua lub plunger muaj ib qholaser-engraved xub cimntawm lub kaus mom, taw tes rau sab chamfered - qhia qhov tseeb kev taw qhia rau kev pom compression ntws.
❓ Cov lus nug nquag
Q1:Yuav ua li cas lub chamfer ntawm lub helix txo qhov kev txhaj tshuaj ncua - tsis ECU them rau kev lag luam?
A:ECU tuaj yeem them rov qab rau lub xeev tsis tu ncua, tab sis kev lag luam ncua sij hawm (thaum lub sij hawm acceleration) yog dynamic thiab hloov nrog ceev thiab load. Ib qho kev txo qis hauv kev lag luam tso cai rau ECU kom hnov mob sai dua, txhim kho cov lus teb throttle thiab txo cov pa luam yeeb los ntawm overfueling thaum lub sij hawm ncua. Lub chamfer muab lub cev nrawm nrawm uas kev hloov pauv tsis tuaj yeem ua raws li.
Q2:Lub chamfer puas hnav dhau sijhawm, thiab cov txiaj ntsig puas yuav ploj mus?
A:Lub chamfer yog nyob rau ntawm ntug helix, uas tsuas yog hu rau cov roj ntws - tsis muaj kev sib cuag hlau mus rau hlau. Nws muaj kev hnav tsawg tsawg thiab khaws nws cov geometry rau lub neej ntawm lub plunger. Cov txiaj ntsig teb yog qhov ruaj khov.
Q3:Cov plunger no puas tuaj yeem siv rau hauv cov tshuab ua haujlwm siab (siab dua 3,000 rpm) qhov twg lub sijhawm puv sijhawm luv luv?
A:Tau- qhov txiaj ntsig tau tshaj tawm ntawm qhov qis qis (tsis ua haujlwm rau 2,000 rpm) qhov twg cov xwm txheej tsis ntev los no tshwm sim, tab sis tsis muaj qhov poob qis ntawm kev kub ceev. Lub chamfer tsis cuam tshuam nrog lub twj tso kua mis stroke.
Q4:Puas yog U4101 hloov U989, lossis lawv puas ua tiav?
A:U989 optimizes qhov nqus tau (suction) stroke, thaum U4101 optimizes thawj compression stroke. Lawv hais txog cov theem sib txawv. Yog tias koj muaj ob qho tib si qis-ceev ntim thiab cov lus teb tsis tu ncua, xav txog U989 rau kev noj thiab U4101 rau compression-lawv tsis hloov pauv.
Q5:Qhov txo qis qis cuam tshuam li cas rau emissions thaum lub sij hawm hloov pauv?
A:Thaum lub sij hawm acceleration, tus qauv plunger ua rau ncua sij hawm nyob rau hauv lub siab build-up, ua rau ib tug luv luv overfueling spike uas ua rau kom cov khoom (PM) thiab NOx. U4101 txo qhov kev siv roj ntau dhau, ua rau qis qis PM emissions -ib qho txiaj ntsig tseem ceeb rau kev ua raws li Euro VI thiab EPA 2027.
Q6:Lub chamfer puas tuaj yeem ntxiv rau lub plunger uas twb muaj lawm los ntawm kev sib tsoo?
A:Tsis yog -chamfer yuav tsum muaj cov duab geometry thiab qhov chaw tiav uas tsis tuaj yeem ua tiav hauv kev cob qhia. Nws yog siv thaum tsim khoom tom qab kev kho cua sov. Kev sib tsoo teb yuav hloov lub sijhawm helix thiab yuav ua rau cov ntaub ntawv carburised puas.
Cov ntaub ntawv tseem ceeb txog Lub Tuam Txhab




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