Bosch P-Twj xa tawm Valve Spline Lub Tes Tsho - Precision Torque Transmission Thiab Leakage Control Rau Inline Injection Systems
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Bosch P-Twj xa tawm Valve Spline Lub Tes Tsho - Precision Torque Transmission Thiab Leakage Control Rau Inline Injection Systems

Bosch P-Twj xa tawm Valve Spline Lub Tes Tsho - Precision Torque Transmission Thiab Leakage Control Rau Inline Injection Systems

1. Khoom: P-Twj xa khoom Valve Spline Tes Tsho
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

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Khoom Taw qhia

Hauv Bosch P-series inline twj tso kua mis, tus xa khoom valve spline lub tes tsho zaum ntawm lub twj tso kua mis plunger thiab cov kab siab. Nws sab hauv splines koom nrog tus xa khoom valve, thaum nws cov xov sab nraud lees txais cov txiv ntoo tuav. Qhov no seemingly yooj yim ncaj qha tswj hwm ob qho tseem ceeb tsis tau:xa valve qhib siab(ntawm lub caij nplooj ntoos hlav preload nws kis tau) thiabresidual siab tuav(los ntawm kev tuav lub valve lub sealing lub rooj geometry). Lub tes tsho nrog splines hnav lossis xov tsis raug torque qhia txog kev ua si axial me me li 0.015 hli - uas txhais tau rau 1.2℃twj tso kua mis-ncej kev hloov pauv hauv lub sijhawm xa khoom. Nyob rau hauv lub cav khiav ntawm 2,000 rpm, qhov sib npaug ntawm 1.2℃crankshaft sib npaug (vim lub twj tso kua mis ceev yog ib nrab) ua rau 4-bar variation nyob rau hauv siab txhaj tshuaj siab - txaus los ua kom cov pa paug tawm los ntawm 18% thiab txo cov roj kev lag luam los ntawm 3-5%. Qhov no mechanical-hydraulic coupling ua rau lub tes tsho spline yog ib qho khoom siv tseem ceeb, feem ntau raug saib xyuas thaum lub sij hawm ntsuas lub twj tso kua mis.

Daim ntawv thov Scope - Qhov twg P-Twj Txais Lub Tes Tsho Spline no

Peb lub tes tsho yog machined rau Bosch thawj cov lus qhia thiab haum rau cov tsev neeg P-pump hauv qab no:

P‑7100(siv hauv Cummins 5.9L, 8.3L, thiab thaum ntxov Dodge / Ram daim ntawv thov)

P‑8500(cov tsheb loj, xws li Volvo FH12, Scania DC11)

P‑3000(Industrial thiab Marine, xws li Deutz BF6M1015)

PE-typetwj nrog 10 hli, 12 hli, thiab 14 hli plunger diameters (piv txwv li, PE6P, PE8P, PE10P)

Nws ncaj qha hloov OEM ntu tus lej1 418 514 001, 1 418 514 002, 1 418 514 007, thiab1 418 514 009- Txawm hais tias cov suav suav (14 cov hniav, 30℃siab lub kaum sab xis) tseem nyob ib puag ncig txhua qhov sib txawv. Qhov sib txawv nkaus xwb nyob rau hauvinternal bore txoj kab uas hla(14.5 mm lossis 16.0 mm) thiab covxov pitch(M20 × 1.5 lossis M22 × 1.5). Ib txwm ntsuas koj lub tes tsho uas twb muaj lawm ua ntej kev txiav txim - tsis sib haum ntawm cov xov xov yuav hla cov xov ntawm lub valve tuav, irreparably ua rau lub twj tso kua mis vaj tse.

Material & Geometry – Cov ntaub ntawv uas txhais tau tias Durability

Specification Tus nqi Txoj Kev Xeem
Khoom siv Case-hardened 20MnCr5 TS EN 10084 EN 10084
Nto hardness 58 - 62 HRC (0.4 hli qhov tob) Vickers HV 10
Core hardness 30-35 HRC -
Spline cov hniav suav 14 Involute profile
Loj diam (spline) 22.00 ± 0.02 hli -
Me me diam (spline) 20.50 ± 0.02 hli -
Xov class 6H (sab hauv) / 6g (sab nraud) ISO 965-1
Torque spec (cov txiv ntseej tuav) 45 Nm ± 2 Nm (qhuav) -
Xov lubricant Tsis muaj - siv cov diesel huv xwb -

✔ Lub rooj plaub-hardened nto tiv fretting hnav los ntawm lub valve tuav lub axial txav thaum lub twj tso kua mis tig. Txawm li cas los xij, cov tub ntxhais tseem khaws cov ductility kom nqus cov khoom poob siab los ntawm lub camshaft - ib qho kev sib haum xeeb tsim uas ua rau lub neej ua haujlwm ntev tshaj 12,000 teev hauv kev sim teb.

FAQ – Cov kev txhawj xeeb ntawm cov twj tso kua mis Rebuilders

Q1: Kuv puas tuaj yeem rov siv lub tes tsho spline yog tias nws zoo li tsis puas?
Peb qhia tawm tswv yim tawm tsam rov siv dua - cov hniav spline undergo microscopic ua hauj lwm hardening uas txo lawv elasticity tom qab thawj installation. Re-torquing rau tib qhov tshwj xeeb feem ntau ua rau qis qis dua vim tias cov xov flanks tau flattened. Hloov nws nrog txhua lub twj tso kua mis overhaul (ntawm 6,000-teev ib ntus).

Q2: Dab tsi yog qhov kev taw qhia kom raug rau nruab lub tes tsho - puas lub chamfer ntsej muag lossis nqes?
Lub chamfer loj (2 hli × 45 degree) yuav tsum fim lub valve lub caij nplooj ntoos hlav - lub chamfer no muab clearance rau lub valve nqa. Yog hais tias ntsia inverted, lub valve tsis tuaj yeem qhib tag nrho, txwv qhov siab tshaj plaws xa tawm los ntawm 15-20%.

Q3: Kuv lub tes tsho tshiab tsis xov zoo - Kuv puas yuav tsum yuam nws nrog tus ciaj ntswj?
Nres tam sim ntawd – yuav muaj kev sib txuas lus. Siv cov xov chaser los ntxuav cov xov vaj tsev. Yog hais tias lub tsev xov puas lawm, koj yuav tsum kho nws siv lub helicoil insert (M20 × 1.5 los yog M22 × 1.5) - tsis txhob yuam lub tes tsho, vim nws yuav txeeb thiab puas lub twj tso kua mis lub cev.

Q4: Lub tes tsho spline cuam tshuam li cas ntawm lub twj tso kua mis qhov kev ntsuas nkhaus?
Lub tes tsho lub siab protrusion qhov siab hloov qhov kev xa khoom valve caij nplooj ntoos hlav preload - 0.1 hli hloov hauv protrusion hloov qhov qhib siab los ntawm 8 bar. Thaum recalibrating lub twj tso kua mis ntawm lub rooj ntev zaum sim, ib txwm kho lub tes tsho torque ua ntej, ces zoo-tune lub caij nplooj ntoos hlav shims - ua nws nyob rau hauv rov qab muab erratic tshwm sim.

Q5: Lub tes tsho no puas haum rau cov roj uas muaj dej ntau (xws li biodiesel B30)?
Lub rooj plaub-hardened steel tiv thaiv corrosion, tab sis cov ntsiab lus dej siab tuaj yeem ua rau pitting ntawm lub ntsej muag kev sib koom tes. Rau B30 lossis siab dua, peb muab cov khoom siv nitrided (ib feem tus lej tom qab -N) nrog kev txhim kho corrosion. Rau kev siv tus qauv, peb lub tes tsho txheem ua haujlwm nrog B20 thiab cov pa roj diesel.

Q6: Lub twj tso kua mis ua suab nrov tom qab txhim kho lub tes tsho tshiab - puas yog qhov qub?
Lub teeb xim hlau nyem thaum lub sijhawm txhaj tshuaj yog qhov tau txais - nws yog lub suab ntawm lub rooj zaum valve. Txawm li cas los xij, yog tias qhov ticking yog ntse thiab nrog lub zog poob, xyuas lub tes tsho torque; lub tes tsho xoob tso cai rau lub valve tuav kom thaws, ua rau kev xa khoom tsis raug. Re-torque rau 45 Nm thiab lub suab nrov yuav tsum qis.

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