59407500013 Solenoid Common Rail Injector - Precision-Engineered Popet Valve Rau Lub Sijhawm Txhaj Tshuaj

Nyob rau hauv lub complex ballet ntawm ntau rail txhaj tshuaj, lub solenoid yog tus txhais, lub nozzle yog qhov kawg qhov hluav taws xob, thiab tswj valve yog tus neeg xyuas pib -orchestrating siab dynamics nyob rau hauv lub injector lub cev. Txawm hais tias muaj ntau qhov kev tsim qauv siv lub pob- thiab - lub rooj lossis spool valve configuration, 59407500013 siv lub popet valve mus kom ze, txawv los ntawm nws lub tiaj tus, disc - zoo li lub ntsej muag sealing. Qhov geometry no, thaum tsim los rau kev ua siab ntev, yields cov lus teb zoo heev thiab rov qhib tau tus yam ntxwv uas cuam tshuam ncaj qha rau kev ruaj ntseg ntawm lub sijhawm txhaj tshuaj. Rau cov cav uas qhov tseeb pib- ntawm- kev txhaj tshuaj (SOI) tswj yog qhov tseem ceeb rau kev ua tiav cov pa hluav taws xob ua raws thiab txo cov suab nrov qis, 59407500013 muab cov lus teb muaj zog thiab zoo ib yam uas tswj nws qhov kev ua tau zoo tshaj qhov kev pabcuam txuas ntxiv.

Lub valve nqa ib txwm muab los ntawm popet valve ua kom ntseeg tau tias cov qauv tshuaj tsuag nyob ruaj khov, nrog qhov sib txawv me me ntawm lub voj voog mus rau lub voj voog.

Txau cov ntaub ntawv ntawm 1,600 bar, 2.0 ms energising:

Sauter Mean Dia: 17.0 µm

Kev nkag mus ntev ntawm 1.0 ms tom qab SOI: 43.5 hli

Lub kaum sab xis ntawm lub kaum sab xis: Tsawg dua lossis sib npaug rau ± 1.2℃thoob plaws txhua qhov

Dav hlau-rau- dav hlau sib xws: Tsawg dua lossis sib npaug li 3.0%

evaporation tus nqi ntawm 25℃crank lub kaum sab xis: 75%

Cov ntaub ntawv sib xws lub sijhawm:

Pib- ntawm-Kev Txhaj Tshuaj (SOI) variation: < 0.1℃crank angle (ntawm 2,000 rpm)

Injection Quantity Consistency: CoV < 1.3%

Cheebtsam	Khoom siv / Kev kho mob	Specification
Popet Valve	440C stainless hlau (hardened thiab hauv av)	58-60 HRC, Ra Tsawg dua lossis sib npaug rau 0.03 µm
Koob	18CrNiMo7-6 carburised, nitrided	1,950 HV, qhov tob 0.22 mm
Rooj	Tungsten carbide (94% WC + 6% Co)	Lapped rau Ra Tsawg dua lossis sib npaug rau 0.04 µm
Lub cev	42CrMo4 + zinc{2}}nickel plating	22 µm txheej, 500-h ntsev tsuag
Solenoid rwb thaiv tsev	PEEK (polytheretherketone)	170℃nruam, 190℃ncov
O-rings	FKM (Viton®) 75 Ntug A	B30 biodiesel tau tshaj

Lub valve yog hauv av kom meej thickness thiab flatness, kom ntseeg tau tias ib tug sib npaug sealing lub ntsej muag uas muab ib tug zoo sealing interface.

Cov tsos mob	Tej yam ua rau	Kev pov thawj
Lub sijhawm ua haujlwm tsis zoo / tsis ruaj khov	Popet valve hnav ua rau nqa tsis sib xws	Txheeb xyuas cov dej xau- tawm - yog > 100 ml / min ntawm qhov tsis ua haujlwm, xav tias lub valve hnav
Nce combustion nrov	SOI variation vim valve hnav	Measure timing correction values in ECU->1℃drift qhia qhov teeb meem
DPF regen ncua sij hawm nce	Tshaj tawm - lub sijhawm txhaj tshuaj cuam tshuam los ntawm lub valve teb	Sib piv cov lus txib vs. qhov tseeb tshaj tawm - lub sijhawm txhaj tshuaj - yog > 1.5℃txawv, hloov
Cav khiav zoo txias, ntxhib kub	Valve sticking vim thermal expansion los yog deposits	Tshawb xyuas valve qhia clearance; ntxuav los yog hloov valve los ua ke

Clamp bolts:10 N·m pib + 90℃rotation. Tshaj -torquing tuaj yeem cuam tshuam lub cev lub cev thiab cuam tshuam rau lub valve sib dhos.

High -kev sib koom siab:35 ± 3 Nm nrog lub ferrule tshiab.

Leak-tawm connector:22 N·m- xyuas kom cov kab rov qab tsis muaj kev txwv.

Tsis tas yuav tsum tau trim code rau feem ntau ntawm ECUs - qhov ± 2.5% ndlwg kam rau ua nyob rau hauv qhov kev hloov ntawm Bosch EDC16/17, Denso HP3/4, thiab Delphi E3/E4 maub los.

Q1: Popet valve txawv li cas ntawm lub pob thiab lub rooj tsim?
Lub popet valve siv lub tiaj tus, disc -zoo li lub ntsej muag sealing, muab thaj chaw sib khi dav dua thiab ruaj khov dua cov yam ntxwv ntawm lub sijhawm piv rau lub pob- thiab - lub rooj tsim. Qhov no ua rau lub sijhawm txhaj tshuaj ntau dua.

Q2: Puas tuaj yeem hloov lub valve thaum lub sijhawm kho dua?
Yog, popet valve tuaj yeem hloov tau. Nws yuav tsum muaj cov cuab yeej tshwj xeeb tshem tawm thiab rov nruab, tab sis cov khoom siv kho dua tshiab (xws li lub valve, koob, lub rooj zaum, O-rings, thiab springs) muaj rau kev kho dua tshiab.

Q3: Puas yog popet valve tsim cuam tshuam rau biodiesel compatibility?
Lub hardened steel valve yog sib xws nrog biodiesel. Txawm li cas los xij, biodiesel qhov viscosity siab dua tuaj yeem ua rau cov lus teb qeeb me ntsis - qhib ncua sij hawm tuaj yeem nce 0.02 ms ntawm B40, uas yog nyob rau hauv ECU hloov pauv. Saib xyuas cov dej xau- tawm tsis tu ncua.

Q4: Kuv muaj lub sijhawm teem sijhawm- cuam tshuam txog kev ua txhaum cai tom qab kev teeb tsa lub tshuab no- nws puas yog lub valve?
Lub sijhawm ua txhaum ntau dua vim ECU tsis raug hloov mus rau cov tshuaj txhaj tshuaj tshiab cov yam ntxwv. Pib dua qhov hloov pauv thiab khiav lub cav rau 15 feeb ntawm 1,200 rpm. Yog tias qhov ua yuam kev tseem muaj, xyuas lub valve nqa nrog lub rooj zaum ntws.

Q5: Lub cav tsis muaj suab nrov tom qab kev hloov pauv -papet valve puas tuaj yeem ua rau qhov no?
Lub suab nrov nrov tuaj yeem yog qhov cim qhia ntawm lub sijhawm tsis ruaj khov ntawm kev txhaj tshuaj tiv thaiv -tejzaum nws yog vim lub valve lub tshuab nqa tsis sib xws ECU qhov kev xav tau profile. Xyuas kom lub injector raug teeb tsa kom raug thiab ECU tau rov pib dua. Yog tias qhov teeb meem tseem nyob, lub valve yuav ua tau.

 

Txhawm rau ua kom koj qhov kev yuav khoom tau yooj yim thiab yooj yim, peb muab ntau yam kev xaiv them nyiaj ruaj ntseg:

Peb nyob ntawm no los ua kom koj cov txheej txheem xaj kev txhawj xeeb-dawb - xaiv txoj kev them nyiaj uas ua haujlwm zoo tshaj rau koj!

 

 

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