Tsheb, Tsheb
Bezvtykovye pistons "Priora": tsim thiab cov yam ntxwv
Tus tswv ntawm "Lada Priora" tsheb feem ntau tau txais mus rau hauv cov teeb meem. Tawg sij hawm siv ua rau yus tu siab yuav tshwm. Qhov no yog hais tias lub pistons, uas lub chaw tsim tshuaj paus teev lub Hoobkas thaum lub engine yog tuaj txoos ua ke, muaj tsis txaus zauv tob. Cov kuaj raug xa mus rau raws li minders counterbore. Qhov no yog qhov ua rau ntawm kev puas tsuaj. Tsav kho tom qab xws li ib tug kev huam yuaj yuav raug nqi lub tswv tsheb yog kim heev. Pheej yig dua los hloov neeg ua hauj lwm nyob rau hauv lub thiaj li hu ua bezvtykovye pistons rau "xub".
Physics ua hauj lwm pistons, load
Qhov no lub caij no yog tsim los hloov lub zog los ntawm cov tawg ntawm roj nyob rau hauv ib tug reciprocating tsab ntawv tsa suab thiab kis rau lawv mus rau lub crankshaft. Thaum lub gases tom qab tawg nthuav, tus piston thiab cov hauj lwm nto yog txhua yam thiab thermal los. Nthuav dav yog muaj high-siv load. Qhov siab tshaj plaws tau siab nyob rau hauv lub "xub" cav yuav mus txog li rau 65-80 bar. Nws yog suab ib ob peb tonnes.
Hais txog cov neeg ua hauj qauv ntawm cov pistons
Nyob rau hauv thiaj li yuav ua hauj lwm nyob rau hauv xws tej yam kev mob, qhov khoom yuav tsum, kom deb li deb li sai tau, ib qho yooj yim. Ib tug cov ntaub ntawv uas - resistant rau koj hnav. Tsis tas li ntawd, cov hlau yuav tsum tau siab thermal conductivity. Qhov no yuav kom ib tug siab txias npaum li cas. Txheej ua hauj lwm nto yuav tsum tau ua kom qhov khoom yog tsis jammed nyob rau hauv ib tug rhuab lub tog raj kheej. Tsis tas li ntawd, lub combustion khoom yuav tsum tsis txhob txeem mus rau hauv lub crankcase. Lub piston muaj ib tug chim lawm, cov neeg kawm ntawv ntawm cov cua kub ntawm cov ua hauj lwm ib feem thiab nws daim tiab yog ib tug loj sib txawv. Qhov no ua rau nws tau mus ntsib tag nrho cov uas yuav tsum tau.
Piston taub hau los yog nws lub qhov muaj xws li ib tug hauv qab. Muaj kuj yog ib tug tshwj xeeb zawj rau mounting cov O-rings. Mus rau sab sauv feem yuav tiv uas muaj loads ntawm lub ntau lawm theem nws yog coated nrog ib tug tshwj xeeb txheej ntawm cov kev tiv thaiv txheej. Grooves rau mounting rings yog ua kom muaj ib tug me me lub. Qhov no saib kuas qhov chaw ntawm lub txheej ntug ntawm lub nplhaib yog siab tshaj lub puab. Qhov no tiv thaiv cov inclination ntawm tus ntoo khaub lig-seem ntawm lub zawj down thaum lub sij hawm kev lag luam nyob rau high school kub loads. Yuav kom muab ib tug zoo dua piston zawv zawg thoob plaws lub chaw ua hauj lwm nto yog kho nrog tshwj xeeb coatings. Yuav kom zoo dua ib feem burnished, xws coatings yog siv, uas yog hnav thaum lub sij hawm khiav. Qhov no tin plating los yog phosphate. Ntaub ntawv, ris hauv qab, nyob twj ywm rau ntawm qhov chaw lub caij ntawm lub lag luam.
Txawv nyob rau hauv lub tsim ntawm "kev ruaj ntseg" pistons "Priora"
Yog li ntawd bezvtykovye pistons rau lub "qhov muaj feem thib" ntawm cov neeg ua hauj tsis txawv. Qhov no yog ua tau ib tug tib yam ntawm ib tug txheej txheem piston xyaw los ntawm "AvtoVAZ".
Yog vim li cas teem nezavodskie pistons?
Nyob rau txhua lub tsheb ib lub zuj zus. Yog hais tias tag nrho ua raws li cov kev cai ntawm lub chaw tsim tshuaj paus ntawm lub cav txij nkawm, los tsim pom zoo los yog tsawg kawg zoo spare qhov chaw thiab consumables, ces lub tsheb yuav tsum muaj ib tug ntev thiab zoo, thiab tag nrho cov mechanisms thiab units yuav ua hauj lwm nyob rau hauv nws tej hom.
Tab sis txhua leej txhua tus uas xav cawm tau los yog ua rau nyob rau hauv lub tsheb, thiab ntawm no yog ib tug xov tooj ntawm cov teeb meem. Yog hais tias lub kev tuav nyiaj txiaj ntawm lub sij hawm (thiab qhov no siv thiab chais rau nws), txhob txwm yuav tsis zoo cov khoom, thov nco ntsoov tias cov kev hloov cov Team sib vim hais tias lub caij nplooj zeeg, raws li zoo raws li tus nqi. Piv txwv li, yog hais tias tus txheej txheem ntawm lub tshuab "AvtoVAZ" siv yuav tsum tau hloov txhua txhua 30-50 txhiab kilometers, ces pheej yig thiab unoriginal Cheebtsam ob peb uas muaj kev tswj kom tau ntau tshaj li 5-10 txhiab kilometers.
Qhov zoo ntawm cov installation ntawm kev ruaj ntseg mechanisms
Txawm inexperienced neeg tsav tsheb paub hais tias cov system bezvtykovymi pistons yuav muaj ntau ruaj ntseg thiab muaj zog. Txawm yog hais tias tus siv tawg, lub nyiaj siv ua haujlwm camshaft tsuas nres. Lub piston tsiv los ntawm lub hauv qab ntawm qhov kev txiav txim ntawm lub crankshaft. Yog hais tias ntsia bezvtykovye pistons "Priora", kev puas tsuaj tsis tshwm sim. Lub qub yuav tsum muaj nyob rau hauv lub zawj thiab yog tsis bent. Txawm yog hais tias tus siv tsoo, lub tsheb yuav tsum thauj mus rau cov kev pab cuam qhov chaw nres tsheb. Qhov no yog ib tug zoo kom zoo dua.
shortcomings
Nyob rau hauv tus txheej txheem ntawm kev tsim ib tug ntau ntawm motors, "AvtoVAZ" rau pem hauv ntej-tsav qauv designers thiab engineers chiv tsim zoo li ib tug piston. "Priora" bezvtykovye grooves twb los ntawm lub Hoobkas (nyob rau hauv ua ntej lawm versions). Nyob rau hauv feem ntau lawv muaj peev xwm yuav nrhiav tau nyob rau hauv xyaw Vaz kaum tsev neeg. Qhov no yog vim tus siv ntawm ib tug siv es tsis txhob ntawm ib cov saw. Yog hais tias tau los pab txhawb cov piston, lub cav gains ib tug ntxiv 5-7 feem pua ntawm lub hwj chim, uas yog ib tug ntau. Hloov pistons rau lub "Priore" rau bezvtykovye muaj peev xwm yuav tsis ua rau kom. Nws tsuas tiv thaiv kim kho. Yuav kom ua lub bore, nws yog tsim nyog tias lub saum npoo yog tuab txaus. Piston ua hnyav hais tias yuav siv sij hawm lub hwj chim. Groove kuj unsatisfactorily muaj feem xyuam rau cov compression ntawm lub combustible sib tov. Nws kuj muaj feem xyuam rau lub hwj chim. Raws li ib tug tshwm sim, yog tias koj teem lub tsheb nyob rau hauv xws li cov ntsiab, lub cav loses 5-7% ntawm lub hwj chim. Rau lub engine 150 liters. ib tug. yog 10.5 liters. s, uas yog tseem ceeb heev.
Manufacturers ntawm pistons rau "Priory"
Yog li ntawd, tswv tsheb txiav txim siab los mus tiv thaiv lawv tus kheej thiab xav txog txhim kho kev tiv thaiv pistons. Wb saib yog dab tsi rau cov muag khoom bezvtykovye pistons rau "xub", uas yog zoo dua yuav tau thiab nruab.
STI, Tolyatti
Cov khoom uas manufactured nyob rau hauv Togliatti kub pressing technology. Judging los ntawm cov kev txheeb xyuas ntawm cov neeg uas twb nruab lawv cav Cheebtsam txo efficiency thiab cav fais fab. Qhov no yuav tau piav los ntawm ib tug tsawg degree ntawm compression thiab lub loj loj ntawm lub tog raj kheej. Zauv li qub nyob rau hauv ib yam nkaus thiab sib sib zog nqus.
STK
Pistons "Priora" bezvtykovye STC ua nyob rau hauv Samara. Tus yam ntxwv ntawm cov khoom no zoo indistinguishable los ntawm kev pistons. Zauv sib sib zog nqus txaus. Cov tswv yuav tsis txhawj txog lub sij hawm siv ua hauj lwm rau txim. Ntawm cov shortcomings yog tau faib ib tug ntau dua ceeb thawj. Qhov no muaj feem xyuam rau lub zog ntawm dispersal. Tab sis txaus nqi yog qhov txiav txim zoo tshaj thaum xaiv.
xaus
Yog li, nws yog pom tias muaj kev nyab xeeb pistons muaj ntau yam zoo. Cov zoo yog undeniable. Txhua tswv ntawm ib lub tsheb ntawm cov qauv no yog tsim kom muaj bezvtykovye pistons rau "xub". Uas koj xaiv nyob rau hauv lub hom phiaj thiab cov hom phiaj. Yog hais tias koj xav tau rau nti thiab inexpensively, qhov no STC los yog Ukrainian "AVTRAMAT". Txawm li cas los, cov nroj tsuag nres lawm nyob rau hauv Kharkov thiab yuav luag tag nrho cov stocks hloov pauv. Ib tug STI nws cov nyiaj yog tsis tsim nyog, hais kev xyuas.
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