Cov Yeeb Nkab Hlau Uas Muaj Qhov Loj, yog ua los ntawm cov hlau cam khwb cia ua cov khoom siv hauv paus. Ua ntej nchuav, magnesium lossis cov av tsis tshua muaj magnesium thiab lwm yam khoom siv spheroidizing raug ntxiv rau cov hlau molten kom spheroidize lub graphite, thiab tom qab ntawd cov yeeb nkab raug tsim los ntawm ntau cov txheej txheem nyuaj. Qhov tshwj xeeb ntawm cov hlau ductile yog tias feem ntau lossis tag nrho cov graphite precipitated yog nyob rau hauv daim ntawv spherical, thiab cov yam ntxwv ntawm cov qauv no zoo heev txhim kho kev ua tau zoo ntawm cov khoom siv. Tom qab annealing, cov qauv metallographic ntawmDub Hlau Rajyog ferrite ntxiv rau me ntsis pearlite, thiab cov khoom siv kho tshuab zoo.
Keeb kwm kev loj hlob ntawmCov Raj Hlau Uas Muaj Qhov Caj Npabmuaj kev tsim kho tshiab thiab kev tawg ua ntau yam. Thaum xyoo 1980s thiab thaum ntxov xyoo 1990s, ntsib kev thaiv ntawm cov thev naus laus zis tsim cov yeeb nkab hlau centrifugal ductile txawv teb chaws thiab cov xwm txheej kev tso cai patent hnyav, Lub Hoobkas 2672nd ntawm Pawg Neeg Sawv Cev ntawm Suav Teb (tus thawj coj ntawm Xinxing Casting Pipe) tau ua siab loj ua txoj haujlwm ntawm kev tshawb fawb thiab kev txhim kho ywj pheej. Xyoo 1993, thawj lub yeeb nkab hlau centrifugal ductile hauv Suav teb tau dov tawm ntawm cov kab ntau lawm, qhia tias kuv lub teb chaws tau ua tiav qhov dhia los ntawm kos hauv daim teb no, thiab nws tsuas yog siv yim xyoo los ua tiav 40-xyoo kev txhim kho ntawm cov teb chaws sab hnub poob. Niaj hnub no, Xinxing Casting Pipe tau tsim mus rau hauv lub ntiaj teb loj tshaj plaws thiab muaj zog tshaj plaws centrifugal ductile hlau chaw tsim khoom, thiab kuj tau koom nrog hauv kev tsim cov qauv yeeb nkab thoob ntiaj teb, txuas ntxiv txhawb kev txhim kho ntawm kev lag luam yeeb nkab hlau ductile.
Cov Kav Hlau Uas Muaj Ntau Yam Kev Ua Tau Zoo
1. Muaj Zog thiab Zoo ToughnessCov kav hlau ductile muaj zog heev, thiab lawv lub zog tau zoo dua piv rau cov kav hlau cam khwb cia ib txwm muaj. Vim tias graphite tau faib ua lub voj voog, qhov cuam tshuam ntawm lub matrix raug txo qis, ua rau cov kav dej tsis tshua tawg thaum raug kev nyuaj siab thiab kev cuam tshuam ntau dua. Tib lub sijhawm, nws kuj muaj kev tawv zoo, nrog rau kev ntev feem ntau ntau dua 10%, thiab tuaj yeem hloov kho rau qhov av qis, kev txav av thiab lwm yam xwm txheej rau qee qhov. Nws tsis yooj yim rau kev puas tsuaj los ntawm kev hloov pauv, uas txhim kho kev ntseeg siab ntawm kev ua haujlwm ntawm cov kav dej.
2. Muaj zog tiv taus corrosionLos ntawm ntau yam kev kho mob tiv thaiv xeb, xws li txheej xim asphalt, txheej cement mortar, txheej epoxy thee tar, txheej epoxy ceramic, txheej aluminate cement, txheej sulfate cement thiab txheej polyurethane, cov kav dej hlau ductile tuaj yeem tiv taus xeb los ntawm ntau yam xov xwm. Txawm hais tias nws siv los thauj roj, dej kais, lossis rau kev tso dej phwj tuaj, nws tuaj yeem tswj tau kev ua haujlwm ruaj khov hauv ntau qhov chaw nyuaj, ntev lub neej kev pabcuam ntawm cov kav dej, thiab txo cov nqi kho.
3. Kev Sealing Zoo: Lub qhov ncauj ntawm lub yeeb nkab siv lub interface uas yooj ywm, uas tuaj yeem hloov kho rau kev hloov chaw thiab kev hloov pauv hauv qee qhov ntau thiab tsawg, tsim kom muaj kev sib khi zoo ntawm qhov chaw txuas yeeb nkab, thiab tiv thaiv kom tsis txhob muaj kua dej xau. Tib lub sijhawm, cov txheej txheem tsim khoom siab ntawm lub yeeb nkab nws tus kheej ua kom ntseeg tau tias qhov sib phim raug ntawm lub qhov (socket), txhim kho kev ua haujlwm ntawm kev sib khi, thiab ua kom muaj kev ua haujlwm zoo ntawm lub kaw lus yeeb nkab.
4. Kev Teeb Tsa Yooj YimPiv nrog rau qee cov yeeb nkab, qhov hnyav ntawm cov yeeb nkab hlau ductile yog qhov nruab nrab, thiab cov txheej txheem teeb tsa yooj yim heev. Nws lub interface yooj yim ua rau cov neeg ua haujlwm tsim kho ua tiav kev sib txuas, txo lub sijhawm teeb tsa thiab kev siv zog ua haujlwm. Ntawm qhov chaw tsim kho, kev teeb tsa cov yeeb nkab tuaj yeem ua tiav sai sai yam tsis muaj cov khoom siv nyuaj thiab cov kws tshaj lij, uas ua rau lub voj voog project luv dua thiab txhim kho kev tsim kho kom zoo dua.
5. Kev Ua Haujlwm Zoo AntifreezeHauv thaj chaw txias, kev ua haujlwm tiv thaiv kev khov ntawm cov kav dej yog qhov tseem ceeb heev. Cov kav hlau ductile muaj qee qib ntawm kev tiv thaiv kev khov. Tsuav yog nws tsis yog ib puag ncig hnyav heev, yuav tsis muaj qhov tawg thiab tawg ntawm kev khov. Qhov no ua rau nws siv dav hauv kev muab dej, cua sov thiab lwm yam kab ke hauv thaj chaw txias sab qaum teb, muab kev pabcuam txhim khu kev qha rau cov neeg nyob hauv thiab cov lag luam.
Cov Yeeb Nkab Dej Hlau Ductiletau dhau los ua cov khoom siv yeeb nkab tseem ceeb thiab tseem ceeb hauv kev tsim kho vaj tse niaj hnub nrog lawv cov yam ntxwv ua tau zoo heev. Txij li kev muab dej hauv nroog thiab kev ntws dej mus rau kev xa roj, los ntawm kev tsim khoom lag luam mus rau cov haujlwm txuag dej, cov yeeb nkab hlau ductile ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw thiab tau ua cov txiaj ntsig tseem ceeb los xyuas kom meej tias tib neeg lub neej zoo thiab txhawb kev txhim kho kev lag luam. Nrog rau kev nce qib tas mus li thiab kev tsim kho tshiab ntawm thev naus laus zis, kev ua tau zoo ntawm cov yeeb nkab hlau ductile yuav txuas ntxiv txhim kho, thiab qhov ntau thiab tsawg ntawm daim ntawv thov yuav raug nthuav dav ntxiv. Lawv yuav txuas ntxiv ci ntsa iab hauv kev tsim kho vaj tse yav tom ntej.
Chaw Nyob
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Lub sijhawm tshaj tawm: Lub Peb Hlis-12-2025