Oil scraper rings. Hloov ntawm qhov tshwm sim, decarbonization, teem caij
Oil scraper rings. Hloov ntawm qhov tshwm sim, decarbonization, teem caij
Anonim

Raws li koj paub, lub tsheb tsis tuaj yeem nyob hauv qhov zoo tag nrho. Feem ntau, qhov chaw tsis ua haujlwm, thiab tsis yog vim kev tawg. Lawv muaj lub siab nyiam hnav. Koj tuaj yeem hloov qhov chaw, xws li valve qia ntsaws ruaj ruaj lossis nplhaib, ntawm koj tus kheej lossis los ntawm kev hu rau lub chaw pabcuam. Ntawm chav kawm, qhov kev zoo siab no tsis yog pheej yig, tab sis nws tuaj yeem ua rau kev kho tsheb yooj yim heev. Tom qab tag nrho, nws yog ib qho tseem ceeb heev uas txhua yam ua haujlwm zoo hauv lub tsheb, txij li kev nyab xeeb ntawm cov neeg nyob hauv lub rooj zaum ntawm cov neeg caij tsheb yog nyob ntawm qhov no. Cov kws tshaj lij yuav ua txhua yam haujlwm ntawm lawv tus kheej, tom qab ntawd lub tsheb yuav zoo li tshiab dua.

Kab lus no yog tsim los rau cov neeg uas, vim li cas, xav ua haujlwm kho tsheb ntawm lawv tus kheej. Namely, peb yuav tham txog yuav ua li cas hloov cov roj scraper rings.

roj scraper rings
roj scraper rings

Cov ntsiab lus dav dav

Rau cov neeg tsav tsheb, lub tswv yim ntawm cov roj scraper rings yog deb ntawm qhov tshiab. Qhov no yog ib qho ntawm cov khoom tseem ceeb tshaj plaws ntawm lub cav. Piston rings, uas suav nrogroj scraper, muaj ntau yam, xws li:

  • qis roj scraper;
  • top compression;
  • compression-roil scraper.

Ntau yam nyob ntawm lawv qhov kev ua haujlwm. Piv txwv li, cov roj scraper rings ncaj qha cuam tshuam rau cov roj lossis roj siv, qib ntawm cov pa toxicity, thiab lub zog uas lub tsheb tuaj yeem ua kom nrawm. Thiab tseem, qhov tseem ceeb tshaj plaws, cov xwm txheej ntawm cov khoom pib ntawm lub cav.

Koj xav tau dab tsi los hloov roj scraper rings koj tus kheej?

Txhawm rau hloov cov nplhaib, koj yuav xav tau cov cuab yeej xws li

  • puller;
  • tweezers;
  • drill tsim rau nias;
  • pas nrig;
  • cracker.
roj nplhaib hloov
roj nplhaib hloov

Kev yuav khoom tseem ceeb

Ua ntej pib txoj kev hloov nws tus kheej, koj yuav tsum tau yuav qhov tshiab. Koj yuav tsum yuav tsuas yog thawj cov roj scraper rings, tus nqi uas tsis qis dua 300-500 rubles, nyob ntawm cov qauv. Vim li cas ho tsis pom zoo kom yuav cov khoom pheej yig dua? Raws li txoj cai, tus nqi qis qhia tau hais tias cov khoom tsis zoo lossis cov khoom cuav. Xws li cov khoom seem tsis tuaj yeem lav qhov kev ua haujlwm raug ntawm lub cav, yog li lub tsheb no tsuas yog tsis tsav ntau tshaj li ob peb txhiab mais. Thiab dab tsi yog qhov tsis txaus siab tshaj plaws nyob rau lub sijhawm no, kev tawg tuaj yeem ua rau hnyav dua thiab xav tau kev nqis peev nyiaj txiag loj.

Ntau zaus kho cov kws kho mob tshwj xeebtsheb, roj scraper rings tau xaiv tshwj xeeb, muaj cov khoom siv uas ua tau raws li qhov uas lub cav nws tus kheej tsim. Raws li rau lwm yam khoom (caps, thiab lwm yam), lawv kuj yuav tsum tau ua raws li tag nrho cov qauv.

piston nplhaib clearance
piston nplhaib clearance

Piston rings highlights

Tsis yog txhua tus tswv tsheb paub txhua qhov tseem ceeb ntawm cov nplhaib piston. Thiab qhov kev paub no yog qhov tsim nyog heev thaum hloov qhov chaw ntawm koj tus kheej. Piv txwv li, piston nplhaib clearance yog qhov tseem ceeb heev rau kev ua haujlwm ntawm tag nrho cov kab ke. Cia peb sim seb nws yog dab tsi thiab nws yog dab tsi.

Ua ntej tshaj plaws, txhua tus paub los ntawm physics zaj lus qhia tias cov khoom muaj peev xwm nthuav dav thaum cua sov. Tib yam tshwm sim nrog lub piston mechanism. Yog tias koj tsis tiv thaiv qhov sib txawv, qhov no yuav maj mam ua rau kev ua txhaum ntawm kev sib hloov ntawm lub voj voog. Thiab qhov no, nyob rau hauv lem, yuav ua rau nws nyuaj rau tshem tawm cua sov.

Tus tsim piston suav nrog roj scraper thiab compression rings. Txhua yam ntawm no muaj cov haujlwm tshwj xeeb. Compression rings tsis cia cov roj burnt hla dhau, roj scraper rings ntxuav lub tog raj kheej ntawm cov roj residues. Thaum rhuab, cov khoom no nthuav dav, uas tuaj yeem ua rau lub npoo tuaj yeem txeeb tau. Txhawm rau tiv thaiv qhov no tag nrho, yuav tsum muaj lub nplhaib piston tshem tawm hauv thaj tsam ntawm 0.3 txog 0.6 hli. Tsis ua li ntawd yuav ua rau muaj kev puas tsuaj loj rau lub tog raj kheej.

roj scraper piston rings
roj scraper piston rings

Hloov cov nplhaib: pib qhov twg?

Yog li, cov khoom tshiab twb tau yuav lawm, ces koj tuaj yeem mus ncaj qha rau cov txheej txheemlawv hloov. Thawj qhov uas yuav tsum tau ua tom ntej yog dismantling ntawm tag nrho cov nodes, raws li zoo raws li mechanisms. Qhov no yuav muab tag nrho nkag mus rau qhov tsim nyog, lossis theej, tso cai rau koj hloov pauv cov roj scraper piston rings.

Dab tsi suav nrog hauv pob khoom tshem tawm?

  1. Cov lim cua yuav tsum tau muab tshem tawm, ces lub twj tso kua roj.
  2. Tsis txhob hnov qab txog tus xa khoom hauv qhov hluav taws xob. Txhawm rau rhuav tshem lub tsev tsav tsheb, nws yog qhov yuav tsum tau disassemble lub bolted kev twb kev txuas.
  3. Tom qab ntawd, tshem lub "tshem tawm" davhlau ya nyob twg ntawm lub roj teeb, nrog rau lub rubey (iav) ntawm lub camshaft. Ntawm qhov haujlwm no tuaj yeem suav tias ua tiav tiav.
  4. Tom ntej no, txhawm rau kom zoo dua los ze rau ntawm lub hau uas nyob ntawm lub taub hau ntawm qhov thaiv, nws yog qhov yuav tsum tau tshem tawm cov tsav loj.
  5. Qhov kawg uas koj tuaj yeem ua tau yog tshem cov txiv ntoo uas ruaj ntseg cov camshaft bearing vaj tse.
roj scraper rings nqi
roj scraper rings nqi

theem ob ntawm kev rhuav tshem cov haujlwm

txhawm rau hloov lub nplhaib thiab lub valve qia ntsaws ruaj ruaj kom ua rau lub cav ua haujlwm raug, kev kuaj xyuas dav dav ntawm lub tsheb yog qhov tsim nyog. Raws li txoj cai, lub sijhawm no, kev hnav ntawm lwm qhov chaw thiab lawv cov khoom zoo raug kuaj xyuas. Tsis muaj qhov xwm txheej yuav tsum tsis quav ntsej txoj hauj lwm ntawm cov camshaft. Yog hais tias thaum lub sij hawm dismantling txheej txheem nws pom tias lawv tsis nruj heev cog, ces lawv yuav tsum tau muab tshem tawm. Qhov no yuav tsum tau ua kom tsis txhob poob ib feem thaum lub tsheb khiav.

Tom qab txhua yam uas tau ua tiav, ua tiavnkag mus rau lub camshaft tau qhib, uas yuav tsum tau rub tawm nrog rau cov roj foob. Tom ntej no, kom tau txais cov roj scraper rings, koj yuav tsum nruab qhov seem ntawm qhov chaw uas lub piston yuav nyob ntawm TDC. Tom qab rub tawm lub tswm ciab, nws yog ib qhov tsim nyog los ntxig ib tug pas nrig rau hauv lub qhov uas tsim. Tsis ua li ntawd yuav ua rau lub valve ua tsis tau yooj yim.

Tom ntej, siv cov cuab yeej tshwj xeeb los teeb cov springs ntawm lub valve thiab rub tawm ob crackers. Koj tuaj yeem tau txais lawv nrog tweezers. Tom qab ntawd, siv lub cuab yeej tshwj xeeb, cov nplhaib yuav tsum tau nias tawm. Qhov no ua tiav txoj haujlwm dismantling.

hloov rings thiab valve qia seals
hloov rings thiab valve qia seals

txheej txheem kev teeb tsa

Tam sim no cia peb tham txog yuav ua li cas ua kom tiav cov txheej txheem kev teeb tsa kom raug. Txoj haujlwm no yuav muaj ntau theem:

  1. Ua ntej, tshem cov qhov dej tawm ntawm qhov tshiab. Qhov no yuav tsum tau ua tib zoo ua kom tsis txhob muaj kev puas tsuaj.
  2. Tom ntej no, koj yuav tsum npog tag nrho cov ntsiab lus nrog cov roj cav. Tom qab ntawd, koj tuaj yeem nias lub cav nws tus kheej thiab rov qab cov springs rau lawv qhov chaw npaj.

Ib qho tseem ceeb: hloov cov roj scraper rings yog ua los ntawm kev ua raws li kev coj ua nruj me ntsis. Cov txheej txheem tshem tawm kom ntxaws tau piav qhia saum toj no. Ua tib zoo saib xyuas tias ob sab yog nyob rau hauv qhov chaw lawv yuav tsum nyob. Txwv tsis pub, nws yuav ua rau muaj kev nce ntxiv ntawm cov roj noj.

Piston nplhaib decarbonization nrog tsheb tshuaj

Rau cov neeg uas nyiam nrog lawv lub tsheb, koj yuav tsum paub tias decarbonization yog dab tsinplhaib. Hauv ntej, qhov no yog kev tshem tawm cov pa roj carbon deposits ntawm ib feem. Hmoov tsis zoo, tsis yog txhua tus neeg tsav tsheb tau zoo txog cov txheej txheem no. Qee tus ntawm lawv suav tias yog txoj hauv kev zoo los tiv thaiv lub cav khiav, thaum lwm tus xav tias nws tsis tsim nyog.

Txawm li cas los xij, cia peb mloog cov kws tshaj lij. Lawv thov tias thaum lub sij hawm decarbonization, cov roj hardened ntau dhau raug tshem tawm, uas ua rau kev hnav ntawm lub valve qia seals. Qhov tshwm sim ntawm cov txheej txheem no yog qhov nce ntxiv ntawm lub zog ntawm lub zog.

Tsis tas li, txhawm rau kom tsis txhob coking ntawm piston rings, uas tej zaum yuav tshwm sim los ntawm cov roj scraper tsis ua haujlwm, nws raug nquahu kom ua cov txheej txheem no. Nws yuav pab tshem tawm cov pa roj carbon deposits, yog li ncua lub neej ntawm lub cav rau ib pliag.

Tab sis kom daws tau qhov teeb meem no, nws tseem tsim nyog los hloov lub valve qia ntsaws ruaj ruaj thiab rings.

roj scraper rings
roj scraper rings

Nplhaib rau VAZ tsheb cav

Nyob rau hauv Russia, hom tsheb ntau tshaj plaws yog VAZ. Yog li ntawd, kev yuav khoom hloov pauv tsis yog ib qho teeb meem. Lawv tau dav muag hauv txhua lub khw tshwj xeeb. Thaum lub sij hawm overhaul ntawm lub cav, qhov tseem ceeb tshaj plaws yog xaiv txoj cai compression thiab roj scraper rings (VAZ yog hom ntawm lub cav uas cov khoom yuav tsum tau ua ke). Lawv qhov kev xaiv yog cuam tshuam los ntawm qhov kawg xav tau. Piv txwv li, txhawm rau rov ua haujlwm zoo ntawm lub cav, nws yog qhov txaus los teeb tsa lub nplhaib li niaj zaus, tab sis txhawm rau txhim kho cov yam ntxwv, kev nyiam yuav tsum tau muab rau molybdenum lossis chrome.cov ntsiab lus.

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