Plunger Element 00U481/U481|Hydraulic Pulsation Damping & Flow Smoothing Geometry Rau WEIFU Inline Pump Daim Ntawv Thov
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Plunger Element 00U481/U481|Hydraulic Pulsation Damping & Flow Smoothing Geometry Rau WEIFU Inline Pump Daim Ntawv Thov

Plunger Element 00U481/U481|Hydraulic Pulsation Damping & Flow Smoothing Geometry Rau WEIFU Inline Pump Daim Ntawv Thov

1. Khoom: 00U481/U481 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
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  • 24\/7 Cov Neeg Siv Khoom
Khoom Taw qhia

Nyob rau hauv cov kev tsheb ciav hlau thiab inline twj tso kua mis, lub siab oscillations feem ntau ntaus nqi rau injector dynamics los yog rail ntim txwv. Txawm li cas los xij, lub rooj ntev zaum cov ntaub ntawv qhia tias ze li ntawm 60% ntawm qhov qis - zaus pulsations (<150 Hz) pib los ntawm cov roj xa tawm tsis tu ncua ntawm lub plunger qhov chaw nres nkoj. Lub 00U481 (cataloged li U481 hauv WEIFU- ua raws cov kev lag luam tom qab muag) hais txog qhov chaw no ncaj qha, tsis yog los ntawm kev nce damping ntim, tab sis los ntawm reshaping lubtus nqi xa khoom profilelos ntawm patented dual -asymmetric inlet zawj configuration. Txoj hauv kev no txo ​​qis qhov tseem ceeb ntawm lub zog pulsation los ntawm 34% ntawm 1,800 rpm yam tsis muaj kev cuam tshuam cov roj tso tawm ntau tshaj plaws -ib qho txiaj ntsig tseem ceeb rau lub suab nrov - cov ntawv thov nkag siab xws li tsheb npav hauv nroog thiab tsev kho mob standby lub tshuab hluav taws xob uas muaj kev ua raws li acoustic nce ntxiv.

 

📉 Flow Smoothing Architecture & Rate Profile Control

Lub ntsiab lus hydraulic ntawm 00U481 yog nwsasymmetric groove khub-Ob txoj kev ua haujlwm tau zoo ntawm lub plunger cov lus qhia sab saud, nyob ntawm 180℃sib nrug tab sis muaj qhov sib txawv (2.2 hli thiab 1.6 hli) thiab qhov tob (0.4 hli thiab 0.3 hli). Cov grooves no tsim ib qho staggered qhib ib ntus thaum lub sij hawm nqus stroke, zoo phasing cov ntws nkag mus rau hauv lub twj tso kua mis chamber. Hloov chaw ntawm ib qho chaw nres nkoj sai sai, U481 qhia txog ob - theem nkag: qhov dav dav pib ntws ntxov, thaum lub qhov nqaim nqaim txuas ntxiv lub sijhawm sau los ntawm 4.5℃ntawm kev sib hloov cam. Qhov no staggering txo qhov ceev ceev ceev ceev ncov los ntawm 28%, yog li smoothing lub torque ripple kis mus rau lub twj tso kua mis tsav tsheb ciav hlau.

Kev ntsuas kev ua tau zoo tau muab los ntawm kev ntsuas hydraulic dynamometer:

Pulsation attenuation yam:0.66 (qhov seem ripple txheeb ze rau tus qauv ib zaug -groove designs)

Flow tus nqi stability:± 1.2% kev hloov pauv thoob plaws 800-2,200 rpm, piv rau ± 3.5% rau cov pa plungers

Cavitation pib pib:elevated los ntawm 1,200 bar rau 1,450 bar vim txo qis qis qis thaum lub sijhawm qhib chaw nres nkoj

Ua haujlwm stroke:14.2 hli, xa 1.28 cc / stroke ntawm tag nrho cov khib

Qhov zawj geometry kuj cuam tshuam rau qhov nchuav -theem siab lwj. Los ntawm kev ncua qhov chaw nres nkoj ua tiav kaw los ntawm 1.2℃crank lub kaum sab xis, U481 tsim lub sijhawm tswj "los ntshav- tawm" uas maj mam txo cov chamber siab ua ntej lub valve qhib, txo qhov siab -frequency chatter txuam nrog abrupt decompression- ib qho tshwm sim uas feem ntau lub npog qhov ncauj injector.

 

🧪 Surface Engineering & Friction Pair Optimization

Ua kom tiav cov dej ntws-smoothing geometry yog atungsten carbide-infused nto khosiv tshwj xeeb rau cov npoo npoo thiab cov av saum toj kawg nkaus. Qhov no nyias (3 µm) amorphous txheej, tso ntawm lub cev vapor deposition (PVD), ua rau cov ntug hardness mus rau 1,100 HV thaum tuav ib coefficient ntawm kev sib txhuam ntawm 0.05 tawm tsam lub chim martensitic stainless hlau. Tsis zoo li cov txheej txheem ib txwm muaj uas tuaj yeem ua rau muaj kev ntxhov siab siab, cov txheej txheem carbide nthuav tawm cov adhesion zoo heev (khoom xeem xeem HF1 ib VDI 3198) thiab tau pom tias xoom delamination tom qab 5,000 teev ntawm cyclic loading ntawm 1,800 bar.

Metallurgical puag:

Core hardness:59–61 HRC (los ntawm - hardened SAE 52100 sib npaug)

Case qhov tob:0.5 hli (qib hardness rau 50 HRC ntawm tub ntxhais)

Nto roughness (groove cheeb tsam):Ra 0.10 µm, nrog lub toj siab honed tiav kom khaws cov roj nplua nyeem nyob rau hauv micro- hav

Kev tiv thaiv corrosion:200-teev ntsev tsuag tshuaj tiv thaiv (ASTM B117) vim yog cov txheej txheem tom qab txheej txheej txheej uas kaw qhov porosity

Kev sib xyaw ua ke ntawm kev sib txhuam qis thiab hnav- cov npoo tiv thaiv kom ntseeg tau tias qhov asymmetric groove profile khaws nws cov dej ntws- cov yam ntxwv zoo thoob plaws lub plunger lub neej kev pabcuam, nrog kev sib txawv ntawm qhov seem nyob rau hauv ± 1.5% tom qab 8,000 teev ua haujlwm -ib qho kev txhim kho tseem ceeb ntawm cov qauv tsim tsis muaj kev tiv thaiv ntau tshaj li ntawm 4 %.

 

⚙️ Application Scenarios & System Integration

Lub 00U481 yog tshwj xeeb tuned rau cav platforms qhov twgqis pulsationyog ib qho kev xav tau ntawm qhov system, suav nrog:

Cov tsheb npav hauv nroognrog hybrid- fais fab tsav tsheb qhov twg lub twj tso kua mis-vim suab nrov tuaj yeem cuam tshuam nrog hluav taws xob lub cev muaj zog harmonics

Tsev kho mob thiab cov ntaub ntawv chaw generator teebKev tswj hwm nruj nruj ISO 8528-10 suab nrov txwv (tsawg dua lossis sib npaug ntawm 95 dBA ntawm 7 m)

Marine propulsion systemsnrog ntev propeller shafts qhov twg torsional vibrations yog amplified los ntawm roj pulse irregularities

Lub plunger tau ua tiav nrog WEIFU twj tso kua mis qauv siv lub cam nqa ntawm 10.8-11.2 hli thiab cov neeg kho tshuab lossis hluav taws xob tswj hwm nrog txoj haujlwm tawm tswv yim. Nws cov yam ntxwv txo qis kuj tseem muaj txiaj ntsig rau cov twj tso kua dej ntws los ntawm kev txo qis kev thim rov qab hauv qhov qis - siab Circuit Court, uas tau pom tias yuav txuas ntxiv lub neej ntawm cov twj tso kua mis twj tso kua mis los ntawm kwv yees li 15%.

 

🔧 Kev Tiv Thaiv Kev Tiv Thaiv & Flow- Kev Ua Haujlwm Zoo

Vim lub asymmetric groove geometry, qhov tseeb rotational orientation yog qhov tseem ceeb. Lub hauv paus plunger nta lub laser -etched xub qhia qhov sib dhos nrog lub twj tso kua mis qhov chaw nres nkoj inlet- ib qho kev sib txawv los ntawm ntau tshaj 5℃yuav ua rau tsis zoo rau qhov qhib staggered thiab tej zaum yuav ua rau muaj zog ntau dua li cov qauv. Ua ntej kev teeb tsa, cov kws tshaj lij yuav tsum ua ib qholow-siab flow testsiv lub tog raj kheej kawm tiav thiab ib txhais tes- ua haujlwm primer twj tso kua mis: ntawm qhov tsis tu ncua 2 bar inlet siab, lub ntim txav mus rau ib qho mob stroke yuav tsum ua kom pom qhov sib luag, tsis tu ncua tsis muaj qhov hloov pauv sai. Ib qho kwj dej tsis tu ncua qhia tias misalignment lossis groove blockage.

Pom zoo so- nyob rau hauv tus txheej txheem:

Khiav lub twj tso kua mis ntawm 1,000 rpm rau 10 feeb nrog roj kub stabilized ntawm 30 degree

Maj mam nce mus rau 1,800 rpm tshaj 5 feeb thaum saib xyuas cov kab rov qab rau cov npuas huab cua - qhov dej ntws zoo yuav tsum tsim kom muaj qhov aeration tsawg heev

Xyuas tus tswv xeev teb rau kev yos hav zoov; qhov txo qis qis feem ntau tso cai rau lub sijhawm teb sai dua me ntsis, yog li tus tswv xeev nce tuaj yeem nce ntxiv los ntawm 5% yam tsis muaj kev ntxhov siab

 

❓ Cov lus nug nquag

Q1: Puas yog txo qis pulsation txhim kho kev siv roj, lossis puas yog lub suab nrov nrov?
Indirectly, yog. Smoother xa tuaj yuav txo tau cov neeg kho tshuab ua hauj lwm yuav tsum tau compress roj los ntawm kev tshem tawm lub siab overshoots. Cov kev ntsuam xyuas ywj pheej qhia txog 1.2% kev txhim kho hauv cov twj tso kua mis ntawm 1,800 rpm, uas txhais tau hais tias kwv yees li 0.5% qis dua BSFC nyob rau hauv ntev -kev ua haujlwm thauj mus los- qhov tsis zoo tab sis ntsuas tau nce.

Q2: Kuv yuav ntsuas kev txo qis qis tom qab txhim kho U481 yam tsis muaj cov cuab yeej tshwj xeeb?
Ib txoj hauv kev yooj yim yog tso lub stethoscope sojntsuam rau ntawm qhov siab -siab kab txiv ntoo thiab sib piv cov suab "rattle" ntawm qhov tsis ua haujlwm. Lub U481 tsim ib qho txawv duller, qis dua - suab nrov piv rau cov ntse "clack" ntawm tus qauv plungers. Rau ntau cov ntaub ntawv, siv lub siab transducer nrog 5 kHz sampling tus nqi; qhov tseem ceeb ncov-rau-peak siab hloov pauv ntawm 1,800 rpm yuav tsum tsawg dua 18 bar, piv rau 27 bar rau cov tsis yog{12}}damped hom.

Q3: Cov grooves asymmetric puas tuaj yeem txhaws nrog cov roj tso nyiaj dhau sijhawm?
PVD txheej thiab du nto tiav txo qhov tso nyiaj adhesion. Txawm li cas los xij, hauv daim ntawv thov siv siab - cov roj sulfur (> 1,500 ppm), kev tshuaj xyuas ib ntus txhua 1,500 teev raug pom zoo. Yog tias muaj cov khoom tso tawm, ntxuav nrog ultrasonic da dej siv cov kuab tshuaj me me-tsis txhob siv cov xov xwm abrasive, vim qhov no yuav hloov qhov zawj qhov ntev.

Q4: Puas yog U481 hloov pauv tau nrog U480 lossis U478 yam tsis hloov lub chim?
Yog lawm, sab nraud qhov ntev (inch, stroke, thiab qhia ntev) zoo ib yam rau WEIFU tus qauv. Txawm li cas los xij, qhov ntws tawm -Smoothing nyhuv yuav tsuas yog ua tiav yog tias lub thoob qhov chaw nres nkoj geometry yog sib haum nrog lub staggered qhib-uas yog qhov tseeb rau feem ntau WEIFU chim tsim tom qab xyoo 2005. Rau cov kav dej laus, cov txiaj ntsig yuav raug txo mus rau kwv yees li ib nrab, tab sis tsis muaj qhov tsis zoo yuav tshwm sim.

Q5: Puas yog qhov txo qis qis cuam tshuam rau ECU kaw- lub voj voog tsheb ciav hlau siab tswj hauv cov kab tsheb ciav hlau?
Hauv cov ntawv thov kev tsheb ciav hlau (qhov twg lub twj tso kua mis muab cov khoom siv sib xyaw), ECU feem ntau siv lub ntsuas ntsuas siab nrog bandwidth ntawm 50-100 Hz. U481 attenuates pulsations saum toj no 150 Hz, uas twb nyob sab nraum lub voj tswj cov lus teb ntau. Yog li ntawd, tsis tas yuav tsum muaj kev rov ua kom rov zoo dua -ECU tsuas yog nyeem cov teeb liab siab huv, uas tuaj yeem txhim kho kev ruaj ntseg ntawm PID maub los me ntsis.

Q6: Lub sijhawm ua haujlwm li cas rau lub plunger no hauv suab nrov -cov ntawv thov tseem ceeb yog dab tsi?
Muab qhov kev txhim kho hnav tsis kam thiab cov yam ntxwv ntws ruaj khov, peb pom zoo kom hloov ntawm 10,000 teev lossis 500,000 km, qhov twg los ua ntej. Qhov no yog 20% ​​ntev dua li tus qauv U48, ua rau nws muaj txiaj ntsig zoo rau cov nkoj ua ntej ua ntej lub sijhawm.

 

Cov ntaub ntawv tseem ceeb txog Lub Tuam Txhab

 

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