Cummins XPI Type II Intermediate Body – Flow Transition Core For Ultra-High Pressure Common Rail Injectors

Nyob rau hauv txhua qhov siab -kev ua tau zoo diesel injector yog ib qho kev hloov pauv tseem ceeb uas cov roj hloov los ntawm cov siab nyoos mus rau kev tswj hwm tus cwj pwm. HauvCummins XPI common rail systems, qhov kev hloov pauv no tshwm sim hauv lublub cev nruab nrab (spacer / intermediate tivthaiv)-ib feem feem ntau saib tsis taus, tseem yog lub luag haujlwm rauflow stability, siab modulation, thiab internal sealing continuity.

Tsis zoo li cov khoom siv sab nraud uas feem ntau muab kev txhawb nqa tshuab, lubHom II nruab nrab lub cevua haujlwm ntawm kev sib tshuam ntawmhydraulic dynamics thiab structural alignment, ncaj qha cuam tshuam rau kev txhaj tshuaj lub sijhawm raug thiab roj atomization efficiency.

 

📌Definition khoom

 

CovHom II Intermediate Lub Cev rau Cummins XPI Seriesyog ib tug precision-machined internal injector tivthaiv nyob nruab nrab ntawm lub nozzle los ua ke thiab sab sauv injector vaj tse. Nws ua haujlwm li aroj ntws channel regulator thiab structural spacer, kom ntseeg tau qhov zoo tshaj plaws roj faib nyob rau hauv huab cua siab.

Core Functions

✔ Qhiasiab - siab roj ntws txoj kev
✔ TswjInjector geometry alignment
✔ Muabmulti-nto sealing interfaces
✔ Stabilizekev hloov siab ntawm cov theem injector

 

 

Parameter	Specification
Yam khoom	Hom II Intermediate Lub Cev
System Compatibility	Cummins XPI Common Rail Injectors
Siab Ntau	Mus txog 2600 bar
Khoom siv	High-qib hardened alloy steel
Kev tsim khoom	Precision CNC machining + lapping
Nto Roughness	Ra Tsawg dua lossis sib npaug li 0.2 μm (qhov tseem ceeb ntawm qhov sib khi)
Dimensional kam rau ua	±1–2 μm
Kev kho cua sov	Lub tshuab nqus tsev hardening + kev ntxhov siab

 

 

Nyob rau hauv lub XPI injector system, lub cev nruab nrab:

Cov chojsiab - siab roj input thiab nozzle tawm

Khaws ciasiab stability thaum txhaj tshuaj pulses

Tiv thaivsiab spikes thiab ntws irregularities

Yog hais tias lub cev nruab nrab tsis ua hauj lwm los yog deviates nyob rau hauv kam rau ua:

❌ Kev txhaj tshuaj ncua lossis tsis sib xws
❌ Tsis zoo roj atomization
❌ Nce emissions (NOx & PM)
❌ Injector sab hauv to

 

 

Nrog nce emission txoj cai (EPA / Euro VI), roj tshuab xav tau:

Kev txhaj tshuaj siab dua

Lub sij hawm muaj tseeb dua

Zoo atomization

Lub cev nruab nrab plays lub luag haujlwm tseem ceeb hauv kev ua tiav:

✔ Nqus combustion
✔ Kev siv roj tsawg
✔ Txo emissions

 

Q1: Puas yog lub cev nruab nrab yog qhov hnav?

A: Yog, tshwj xeeb tshaj yog nyob rau hauv siab -mileage injectors vim yog qhov siab tas li - roj ntws.

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Q2: Nws cuam tshuam li cas rau lub sijhawm txhaj tshuaj?

A: Nws txhim kho kev hloov pauv siab, ncaj qha cuam tshuam rau kev txhaj tshuaj qeeb thiab raug.

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Q3: Puas tuaj yeem polishing rov qab hnav lub cev nruab nrab?

A: Tsis yog, polishing alters tolerances - hloov tau pom zoo.

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Q4: Dab tsi ua rau sab hauv to hauv cov injectors?

A: Feem ntau vim yog hnav sealing nto ntawm lub cev nruab nrab.

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Q5: Nws puas cuam tshuam rau kev ua raws li emissions?

A: Yog lawm, kev tswj tsis raug ua rau muaj kev sib tsoo tsis tiav thiab ntau dua emissions.

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Q6: Nws puas tuaj yeem hloov pauv ntawm cov qauv txhaj tshuaj?

A: Tsis yog, nws yuav tsum phim XPI injector configurations.

 

 

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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