Cummins 4928260 Roj Injector Rau QSKX15 & ISX15|XPI Ntxiv -High Pressure Common Rail|Qhov tseeb OEM Roj System daws 4928260

Nyob rau hauv lub siab -kev siv lub ntiaj teb no hnyav-lub luag hauj lwm diesel engineering, lubCummins 4928260yog lees paub tias yog "precision valve" ntawm lubXPI (Ntxiv -Kev Txhaj Siab Siab)architecture. Raws li kev lag luam toj roob hauv pes hloov mus rau kev lag luam roj thiab nruj Tier 4 kawg / Theem V ua raws, qhov kev txhaj tshuaj no ua haujlwm tseem ceeb ntawm cov lus txib digital thiab lub zog kinetic. Tsim los rau 15-literQSKX15 and ISX 15platforms, lub 4928260 tsis yog ib tug me nyuam nozzle; nws yog qhov siab - zaus hydraulic twj muaj peev xwm tswj kev tsheb ciav hlau siab uas yuav ua rau cov khoom tsis zoo. Rau cov kws tshaj lij thoob plaws hauv North America thiab Europe, kev txhim kho 4928260 yog kev cog lus los tswj lub cav qhov qub qhov siab tshaj plaws torque profile thiab thermal efficiency.

 

 

Nyob rau hauv lub caij tsheb ciav hlau, lub cev haum tsuas yog 20% ​​ntawm qhov sib npaug. Kev xaiv ntawm cov4928260yuav tsum tau tsav los ntawm cov ntaub ntawv - tsav logic kom ntseeg tau tiasXPI systemtseem tshuav:

Kev txheeb xyuas qhov system:Paub meej tias lub cav siv lubCommon Rail XPIlayout (tus cwj pwm los ntawm ib qho accumulator rail) ntau dua li cov qub tshuab dual -cam HPI system.

Emission Tier Alignment:4928260 yog tshwj xeeb hauv daim ntawv qhia rau cov cav uas muaj kev kho mob siab heev (DPF/SCR), qhov chaw tshaj tawm - cov xwm txheej txhaj tshuaj yog qhov tseem ceeb rau kev tswj xyuas thermal.

Fuel Quality Standards:Qhov no injector yog engineered rauEN 590 / ASTM D975 (ULSD). Hauv cov cheeb tsam uas muaj qhov sib txawv ntawm cov roj zoo, kev xaiv yuav tsum suav nrog kev ntsuam xyuas qhov ntsuas thib ob.

Txoj Cai "Batch":Rau siab -teev cav, engineers pom zoo xaiv injectors los ntawm tib lub series ntau lawm kom txo tau cov variations nyob rau hauv solenoid teb lag.

 

 

4928260 yog tsim los tiv thaiv "siab-cooker" ib puag ncig ntawm 15L combustion chamber thaum tswj micro-metering raug.

Technical Parameter	Specification Tus nqi
Qauv nab npawb	4928260 (ReCon: 4928260PX / 4928260NX)
Cav Series	Cummins QSKX15, ISX15, QSX15
Txhaj Architecture	Ntxiv -High Pressure Common Rail (XPI)
Kev khiav hauj lwm Rail Siab	Txog li 2, 400+ Bar (34, 800+ PSI)
Kev ceev ceev	< 150 Microseconds
Nozzle Technology	Laser-Ablated Multi-Hole Micro-Orifices
Qhov hnyav tag nrho	Kwv yees li . 3.4 lbs (1.55 kg)

 

 

Internal muaj pes tsawg leeg ntawm lub4928260qhia txog kev dhia loj heev dhau tiam dhau los, tsom mus rau kev txo qis "Internal Leakage"-tus yeeb ncuab tseem ceeb ntawm kev ua haujlwm ntawm kev tsheb ciav hlau.

Servo-Controlled Solenoid:Tsis zoo li HPI injectors, 4928260 siv lub siab -wattage solenoid uas ua rau "ntau qhov kev txhaj tshuaj" rau ib qho mob stroke (pilot, pre, main, thiab post-injection). Qhov no txo ​​cov suab nrov combustion thiab optimizes NOx txo.

Pob zeb diamond-Zoo li Carbon (DLC) koob:Txhawm rau kom muaj kev sib txhuam zoo kawg ntawm 2,400 bar siab, lub koob sab hauv yog coated hauv DLC, cov khoom yuav luag zoo li pob zeb diamond, kom ntseeg tau tias 4928260 resists scuffing txawm tias qis dua - lubrication fuels.

Siab -Pressure Feed Port:Lub inlet yog tsim los rau ib tug precision -tapered interface nrog lub siab - siab connector raj, kom ntseeg tau ib tug leak- pov thawj foob yam tsis xav tau siab - torque kev nyuaj siab ntawm lub injector lub cev.

 

 

Cov4928260yog cov roj- lub plawv xa rau cov tshuab uas ua haujlwm qhov kev pab nyob deb:

Mining & Earthmoving:Loj - nplai dozers (D11 qhov sib npaug hauv chav kawm) thiab excavators siv QSKX15.

Ua liaj ua teb:High-horsepower tsheb laij teb (xws li Case IH Steiger, New Holland T9) qhov twg roj efficiency ncaj qha cuam tshuam rau lub caij nyoog margins.

Interstate Logistics:Ntev - thauj ISX15 tsheb thauj khoom hla cov teb chaws Europe thiab North American.

Kev tsim hluav taws xob:Tier 4 Final standby teeb tsa rau cov txheej txheem tseem ceeb xws li tsev kho mob thiab cov chaw khaws ntaub ntawv huab.

 

 

Q1: Yuav ua li cas 4928260 pab nrog "Cold Start" emissions?

Los ntawm XPI system, 4928260 tuaj yeem xa me me 'pilot txhaj' ua ntej qhov kev tshwm sim tseem ceeb. Qhov no ua ntej- heats lub tog raj kheej, tso cai rau kom huv si 'qhov tseem ceeb' combustion thiab txo cov pa luam yeeb dawb thaum sawv ntxov txias.

Q2: Kuv puas tuaj yeem siv 4928260 yog tias kuv lub cav tam sim no siv HPI injectors?

Tsis yog kiag li. 4928260 yog XPI Common Rail injector. HPI systems yog txhua yam / cam-tsav, thaum XPI yog hluav taws xob / hydraulic nkaus xwb. Lawv yog cov thev naus laus zis sib txawv.

Q3: Dab tsi ua rau "High Roj Rov Qab" hauv 4928260?

Kev xa rov qab siab (rov qab- leak) feem ntau yog tshwm sim los ntawm kev yaig sab hauv ntawm lub rooj zaum tswj valve. Thaum qhov no tshwm sim, txoj kev tsheb ciav hlau tsis tuaj yeem tuav lub siab, ua rau qis - cov lej fais fab lossis nyuaj - pib.

Q4: Puas yog 4928260 sib haum nrog siab -sulfur diesel hauv kev lag luam thoob ntiaj teb?

Nws tsis pom zoo. High- cov roj sulfur tsim cov sulfuric acid thaum lub sij hawm combustion uas tuaj yeem ua rau cov lus qhia nozzle. Yog tias siv, lub sijhawm hloov roj yuav tsum luv luv thiab cov roj pom yuav tsum tau txhim kho.

Q5: Vim li cas cov tshuaj no muaj cov txheej txheem tshwj xeeb ntawm lub cev?

Cov txheej txheej yog tsim los tiv thaiv corrosion los ntawm lub cav coolant thiab combustion gases, tiv thaiv lub injector los ntawm 'seizing' nyob rau hauv lub tog raj kheej taub hau- ib tug mob taub hau rau cov kws kho mob thaum lub sij hawm tshem tawm.

Q6: Dab tsi yog txoj hauv kev ntseeg siab tshaj plaws los kuaj qhov xav tias 4928260 tsis ua haujlwm?

Ua 'Cylinder Cut-Test' thiab 'Fuel Rail Pressure Leak-down Test' siv cov kws tshaj lij software kuaj mob. Yog hais tias lub tsheb ciav hlau siab poob sai heev thaum lub cav tawm, ib los yog ntau lub injectors yuav ua rau sab hauv.

 

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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