Common Rail Injector Spring Force Tester - Base Edition - Direct Preload Measurement Rau Bosch CRI2, Denso & Fukang Injector Springs

Injector springs yog tsim los muab qhov tseeb kaw quab yuam thiab damping tus yam ntxwv tshaj lab ntawm lub voj voog. Txawm li cas los xij, caij nplooj ntoos hlav steel undergoeskev nyuaj siab- maj mam poob ntawm preload quab yuam txawm tias tsis pom deformation lossis tawg. Lub caij nplooj ntoos hlav rov qab uas tau poob 10% ntawm nws thawj lub zog yuav ua rau lub koob txhaj tshuaj kaw qeeb dua, ua rau cov roj seem seem thiab ua raucov pa luam yeeb dawb ntawm idlethiabsiab dua particle emissions. Qhov kev poob quab yuam no tsis tuaj yeem kuaj pom los ntawm kev tshuaj xyuas qhov muag lossis los ntawm kev ntsuas qhov ntev dawb ib leeg - nws yuav tsum ntsuas lub zog ncaj qha ntawm qhov siab tshwj xeeb. CovCommon Rail Injector Spring Force Tester - Base Editionmuab txoj hauv kev yooj yim, phau ntawv qhia rau kev ntsuas lub caij nplooj ntoos hlav preload, tso cai rau cov kws tshaj lij txhawm rau txheeb xyuas cov springs tsis muaj zog ua ntej lawv ua rau muaj teeb meem kev ua haujlwm.

Injector Tsev Neeg	Caij nplooj ntoos hlav hom kuaj	Tau tshaj cov qauv
Bosch CRI 2	Rov qab caij nplooj ntoos hlav, damping caij nplooj ntoos hlav, tswj valve caij nplooj ntoos hlav	VAG, BMW, PSA, Ford 2.0/2.2
Denso HP0/HP4	Rov qab caij nplooj ntoos hlav, koob tswj caij nplooj ntoos hlav	Toyota, Isuzu, Hino, Foton
Fukang (FC Series)	Rov qab caij nplooj ntoos hlav, siab tswj caij nplooj ntoos hlav	Suav lag luam tsheb
Kuj tau tshaj	Delphi E1/E3, Kab ntsig HEUI	(nrog yeem adapter)

Cov tester yog tsim rausiv lub rooj cob qhia, injector remanufacturing, thiabkev tswj kom zoonyob rau hauv roj system rebuild chaw.

1. Phau ntawv ntsia hlau tsav nrog Fine Increments

Lub tshuab compression siv cov ntsia hlau zoo-pitch (0.5 hli ib tig), tso cai rau tus neeg teb xov tooj maj mam thiab meej compress lub caij nplooj ntoos hlav rau lub hom phiaj ntev. Qhov no tiv thaiv cov overshoot ntau nrog lever-type testers, qhov twg lub caij nplooj ntoos hlav yog over-compressed ua ntej nyeem ntawv. Qhov kev txiav txim ntsia hlau kuj muab ibnyeem ntawv tsis tu ncua- tsis muaj qhov hloov pauv ntawm tes tshee lossis lub siab tsis sib haum.

2. Kev hloov pauv tau Anvils rau txawv caij nplooj ntoos hlav Geometries

Cov tester tuaj nrogpeb anvilkom haum rau qhov sib txawv caij nplooj ntoos hlav kawg configuration - tiaj, av, los yog conical xaus. Cov anvils tau cim meej thiab tuaj yeem hloov pauv hauv vib nas this. Lub pob zeb saum npoo yog hardened (58 HRC) thiab polished los tiv thaiv lub caij nplooj ntoos hlav xaus - khaws lub caij nplooj ntoos hlav rau reinstallation yog tias nws dhau qhov kev xeem.

3. Caij nplooj ntoos hlav Length Reference Scale – Tsis xav tau caliper cais

A 0.5 hli-kawg scaleyog engraved ncaj qha rau ntawm kab uas nyob ib sab rau lub caij nplooj ntoos hlav. Tus kws tshaj lij compresses lub caij nplooj ntoos hlav kom txog thaum nws qhov ntev sib npaug ntawm lub hom phiaj tus nqi (piv txwv li, 32.0 hli) ntawm qhov ntsuas, tom qab ntawd nyeem lub zog ntawm lub dial. Qhov no tshem tawm qhov kev xav tau ntawm kev ntsuas caliper cais, ua kom ceev cov txheej txheem kuaj thiab txo cov kev tuav yuam kev.

Hauv kev tswj xyuas thoob plaws 60 qhov chaw txhaj tshuaj (Bosch CRI2 thiab Denso HP0, muaj hnub nyoog sib txawv):

Parameter	Springs Tested	Springs Failed (force<95% spec)
Rov qab springs (Bosch)	20	6 (30%) - quab yuam poob 6-15%
Damping springs (Denso)	20	4 (20%) - quab yuam poob 5-12%
Koob tswj springs (Fukang)	20	5 (25%) - quab yuam poob 8-18%
Tag nrho qhov ua tsis tiav	60	15 (25%)- Qhov nruab nrab poob: 10.5%

Kev cob qhia qhia tias tus neeg simtxo lub rooj zaum reworklos ntawm kev txheeb xyuas cov springs uas zoo nkaus li zoo tab sis yeej tsis muaj zog - qhov chaw zais ntawm qhov kev hloov pauv ntawm cov tshuaj txhaj tshuaj.

Q1: Kuv yuav txiav txim siab ntev npaum li cas rau lub caij nplooj ntoos hlav tshwj xeeb?
Daim ntawv qhia kev pabcuam rau txhua tus qauv injector qhia txog lub caij nplooj ntoos hlav qhov ntsuas qhov ntev (qhov ntev ntawm qhov ntsuas lub zog). Peb muab daim ntawv qhia siv rau cov tshuaj txhaj tshuaj (Bosch CRI2, Denso HP0, Fukang) hauv phau ntawv. Rau cov tshuaj txhaj tshuaj tsis tau teev tseg, daim ntawv qhia kev pabcuam OEM yuav tsum tau sab laj.

Q2: Dab tsi yog qhov kev sib txawv ntawm lub caij nplooj ntoos hlav?
Feem ntau OEM specifications tso cai rau ib tug sib txawv ntawm ± 5% los ntawm lub nominal quab yuam. Peb cov neeg ntsuas ntsuas tau ntsuas rau ± 1%, yog li nws tsim nyog rau kev kuaj xyuas qhov kev zam no. Daim ntawv qhia suav nrog qhia tau hais tias lub zog nominal rau txhua hom caij nplooj ntoos hlav.

Q3: Kuv puas tuaj yeem kuaj cov tshuaj txhaj tshuaj uas tsis tau teev tseg hauv daim ntawv qhia siv?
Yog - tus ntsuas ntsuas tau ntsuas txhua lub caij nplooj ntoos hlav uas haum rau hauv 5-150 N ntau thiab muaj qhov ntev ntev txog 60 hli. Koj yuav xav tau OEM specification rau lub hom phiaj ntev thiab quab yuam. Tus tester nws tus kheej tsis tas yuav reprogrammed.

Q4: Dab tsi yog qhov txawv ntawm "cov ntawv luam tawm" thiab "cov ntawv tshaj lij" ntawm tus ntsuas no?
Lub hauv paus tsab siv lub tshuab dial gauge thiab phau ntawv ntsia hlau tsav. Cov ntawv tshaj lij siv lub zog digital sensor nrog cov ntaub ntawv tsis siv neeg kaw thiab Bluetooth tso zis. Rau feem ntau cov kev cob qhia, lub hauv paus tsab muab qhov tseeb txaus thiab rov ua dua.

Q5: Kuv yuav ua li cas thiaj paub yog tias lub caij nplooj ntoos hlav ua tsis tiav - nyeem ntawv "FAIL" qhia li cas?
Kev nyeem ntawv "FAIL" qhia tias lub caij nplooj ntoos hlav quab yuam yog qis dua OEM kam rau ua (feem ntau 95% ntawm nominal). Qhov no txhais tau hais tias lub caij nplooj ntoos hlav tau raug kev nyuaj siab so thiab yuav tsis muab lub zog kaw kom raug. Nws yuav tsum tau hloov. Springs uas dhau tuaj yeem rov nruab dua.

Q6: Kuv puas yuav tsum tau ntxuav cov springs ua ntej kuaj?
Yog - carbon deposits, roj zaj duab xis, los yog cov khib nyiab ntawm lub caij nplooj ntoos hlav tuaj yeem cuam tshuam rau kev nyeem ntawv. Ntxuav lub caij nplooj ntoos hlav nrog cov kuab tshuaj tsim nyog thiab qhuav nws ua ntej kuaj. Xyuas kom cov anvils huv si - txhua yam khoom txawv teb chaws ntawm lub caij nplooj ntoos hlav thiab anvil yuav muab cov ntawv nyeem cuav.

 

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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