Cov khoom
Casting
Foundry yog ntau txoj hauv kev kom tau txais cov khoom siv hlau molding, uas yog, smelting ntawm kua hlau, nrog pouring, txhaj tshuaj, inhalation los yog lwm yam foundry txoj kev mus rau hauv lub pre-npaj foundry, tom qab txias, tom qab sib tsoo thiab lwm yam tom qab ua tiav. txhais tau hais tias, cov khoom tau txais nrog ib qho zoo, qhov loj thiab kev ua tau zoo.
Muaj nuj nqi
Foundry yog ntau txoj hauv kev kom tau txais cov khoom siv hlau molding, uas yog, smelting ntawm kua hlau, nrog pouring, txhaj tshuaj, inhalation los yog lwm yam foundry txoj kev mus rau hauv lub pre-npaj foundry, tom qab txias, tom qab sib tsoo thiab lwm yam tom qab ua tiav. txhais tau hais tias, cov khoom tau txais nrog ib qho zoo, qhov loj thiab kev ua tau zoo.
Foundries muaj ntau yam kev faib tawm: raws li cov khoom siv hlau sib txawv siv, muab faib ua cov hlau cam, cam khwb cia hlau, cam khwb cia tooj liab, cam khwb cia txhuas, cam khwb cia magnesium, cam khwb cia zinc, cam khwb cia titanium thiab lwm yam. Thiab txhua hom foundries tuaj yeem muab faib ua ntau hom raws li nws cov tshuaj muaj pes tsawg leeg lossis lub koom haum metallurgical. Xws li cam khwb cia hlau yuav muab faib ua grey cam khwb cia hlau, ductile hlau, creep cam khwb cia hlau, malleable cam khwb cia hlau, alloy cam khwb cia hlau, thiab lwm yam .; Raws li kev tsim cov txheej txheem molding sib txawv, tuaj yeem muab faib ua cov xuab zeb zoo tib yam, hlau qhov chaw, tuag casting, centrifugal foundry, nruam pouring, pwm foundry, ceramic foundry, electro-slag remelting foundry, bimetallic foundry, thiab lwm yam. feem ntau cov xuab zeb foundry daim ntaub ntawv, accounting txog li 80% ntawm tag nrho cov foundry ntau lawm. Thiab txhuas, magnesium, zinc thiab lwm yam tsis-ferrous hlau foundries, feem ntau tuag foundries.
Cov tsos zoo, kev zoo sab hauv thiab siv zoo. Cov tsos mob zoo yog hais txog qhov pom ntawm qhov chaw roughness, deg tsis xws luag, qhov sib txawv loj, qhov sib txawv, qhov hnyav sib txawv; Internal zoo feem ntau yog hais txog lub foundry ntawm cov tshuaj muaj pes tsawg leeg, lub cev muaj zog, mechanical zog, metallurgical lub koom haum, raws li zoo raws li lub hav zoov ntawm lub foundry ntawm lub puab qhov, tawg, inclusions, cais, thiab lwm yam .; Kev siv cov khoom zoo yog hais txog lub hauv paus ntawm kev ua haujlwm siab ntawm kev ua haujlwm nyob rau hauv cov xwm txheej sib txawv, suav nrog kev puas tsuaj, kev tiv thaiv corrosion, tsis kam rau huab cua sov thiab txias, qaug zog, kev co thiab lwm yam khoom thiab cov txheej txheem xws li cutability thiab weldability. Kev ua tau zoo, nrog rau kev txiav, weldability thiab lwm yam kev ua tau zoo.
Foundry zoo muaj kev cuam tshuam zoo rau kev ua haujlwm ntawm cov khoom siv tshuab. Piv txwv li, tshuab cuab yeej foundries hnav tsis kam thiab seem stability, ncaj qha cuam tshuam qhov tseeb ntawm lub tshuab cuab tam kom muaj sia nyob; ntau hom twj tso kua mis, impellers, vaj tse, thiab hydraulic qhov chaw ntawm lub puab kab noj hniav ntawm qhov loj, qhov tseeb thiab nto roughness ntawm cov profile, ncaj qha cuam tshuam rau lub twj tso kua mis thiab hydraulic system efficiency, lub zog noj thiab kev loj hlob ntawm cavitation, thiab lwm yam .; Internal combustion engine lub tog raj kheej thaiv, lub tog raj kheej lub taub hau, lub tog raj kheej liner, piston rings, tso cov yeeb nkab thiab lwm yam foundry zog thiab tsis kam mus rau txias thiab cua sov, ncaj qha cuam tshuam rau lub neej ua hauj lwm ntawm lub cav. Cav lub neej.
Ntau yam cuam tshuam rau qhov zoo ntawm cov foundries, thawj yog cov txheej txheem tsim tsim. Tsim, ntxiv rau cov kev ua haujlwm thiab cov khoom siv hlau los txiav txim siab qhov chaw tsim cov geometry, qhov loj me, tab sis kuj los ntawm cov hlau alloy thiab cov txheej txheem foundry cov yam ntxwv ntawm qhov kev xav ntawm qhov tsim nyog ntawm tus tsim, uas yog, qhov loj ntawm qhov pom tseeb thiab ruaj khov. , shrinkage, kev ntxhov siab thiab lwm yam teeb meem, txhawm rau zam lossis txo qhov tsim ntawm cov khoom sib cais, deformation, tawg thiab lwm yam tsis xws luag. Qhov thib ob, yuav tsum muaj txheej txheem tsim nyog. Ntawd yog, raws li cov qauv tsim, qhov hnyav thiab qhov loj, cov yam ntxwv ntawm cov hlau alloy thiab cov khoom tsim, xaiv qhov tsim nyog parting nto thiab qauv, cov txheej txheem tsim, tsim nyog qhov chaw ntawm cov pob txha, cov hlau txias, risers thiab cov txheej txheem nchuav. Los xyuas kom meej tias qhov zoo ntawm foundries. Qhov thib peb yog qhov zoo ntawm raw cov ntaub ntawv rau foundry. Hlau nqi, cov ntaub ntawv refractory, fuels, fluxes, densifiers, thiab foundry xuab zeb, xuab zeb binder, xim thiab lwm yam ntaub ntawv ntawm substandard zoo, lub foundry yuav tsim cov huab cua qhov, pinholes, slag, nplaum xuab zeb thiab lwm yam tsis xws luag, cuam tshuam cov tsos ntawm lub foundry. zoo thiab sab hauv zoo, thiab nyob rau hauv loj heev, lub foundry yuav ua rau lub foundry scrapped. Qhov thib plaub yog cov txheej txheem kev ua haujlwm, tsim kom muaj cov txheej txheem kev ua haujlwm tsim nyog, txhim kho cov txheej txheem kev ua haujlwm ntawm cov neeg ua haujlwm, kom cov txheej txheem cov txheej txheem raug siv kom raug.
Foundry ntau lawm, los tswj qhov zoo ntawm foundries thiab tshuaj xyuas. Ua ntej tshaj plaws, txhawm rau txhim kho los ntawm cov khoom siv raw, cov ntaub ntawv pabcuam rau txhua yam khoom tshwj xeeb tswj thiab tshuaj xyuas cov txheej txheem kev cai thiab kev ua haujlwm. Txhua tus txheej txheem yog nruj raws li txoj cai ntawm kev siv tshuab thiab cov txheej txheem rau kev tswj thiab tshuaj xyuas. Thaum kawg, cov foundries tiav rau kev soj ntsuam zoo. Yuav tsum tau nruab nrog cov txheej txheem xeem tsim nyog thiab cov neeg ua haujlwm kuaj tsim nyog. Feem ntau ntawm qhov pom ntawm qhov zoo ntawm qhov chaw tsim khoom, tuaj yeem muab piv nrog cov qauv thaiv los txiav txim siab qhov roughness ntawm qhov chaw tsim khoom; qhov saum npoo ntawm cov kab nrib pleb zoo tuaj yeem yog xim txheej txheem, sib nqus particle txoj kev tshuaj xyuas. Sab hauv zoo ntawm foundries, muaj suab, ultrasound, eddy tam sim no, X-ray thiab -ray txoj kev los xyuas thiab txiav txim.
Cim npe nrov: Casting, Yeeb thiab Fittings
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