Qhov kev sib tw smelting thiab kev sib xws ntawm alloys alloys tseem ceeb heev rau qhov zoo ntawm cov khoom siv ua kom zoo, tshwj xeeb tshaj yog thaum nws los txog kev ua haujlwm ntawm cov ntaub ntawv thiab cov ntaub ntawv ua tiav. Thaum lub sij hawm smelting txheej txheem, cov lus sib xyaw ntawm cov ntaub ntawv txhuas tag nrho yuav tsum tsis txhob muaj kev sib cav sib ceg, cuam tshuam ncaj qha cuam tshuam nrog cov khoom siv tshuab, corrosity tsis kam thiab tshuab khoom ntawm cov khoom siv kawg.
SMELTING Uniformity yog ze ze rau cov khoom siv txhuas alloys muaj pes tsawg leeg, cov txheej txheem tsis sib haum xeeb ntawm cov txheej txheem sib txawv txiav txim siab tus qauv sab hauv ntawm cov khoom. Qhov ntsuas kub thiab txias, txias tus nqi, thiab faib cov qoob loo thiab faib tawm ntawm kev sib txawv, thiab tom qab ntawd cuam tshuam rau kev sib txawv ntawm cov khoom siv. Los ntawm kev tswj hwm qhov smelting kub, homogenization thiab lwm txoj kev qhia kev paub, cov teeb meem ntawm feem loj sib cais tuaj yeem txo tau zoo.
Qhov kev sib tw smelting thiab muaj kev sib xws ntawm alloys yog cov tseem ceeb ntawm cov khoom tseem ceeb xws li cov khoom tseem ceeb xws li cov khoom tseem ceeb, corrosion tsis kam thiab ua kev ua haujlwm ntawm castings. Kev sib txuam thiab kev sib xws koom nrog ntau yam xws li kev faib khoom tseem ceeb, kev coj cwj pwm loj, thiab kev coj cwj pwm ntawm lub taub hau thaum lub sijhawm smelting.
1. Qhov tseem ceeb ntawm smelting uniformity
Nyob rau hauv cov txheej txheem smelting ntawm txhuas alloys, cov khoom faib sib xws ntawm cov hlau cov ntsiab lus yog qhov yuav tsum tau ua rau kev ua tau zoo. Yog tias qhov ntsuas kub thiab txias thaum lub sij hawm smelting tsis ruaj khov, cov ntsiab hauv cov alloy tuaj yeem cais, ua rau tsis muaj kev sib txuam hauv zos ntawm cov khoom. Qhov tsis sib xws no yuav ua rau muaj kev sib txawv thaum lub sijhawm sib txawv thiab ua tiav cov txheej txheem tom ntej, txo cov txheej txheem sib txawv, kev ua haujlwm nruj thiab xeb tsis kam ntawm cov khoom. Cov ris tsho tsis zoo nyob rau hauv smelting yuav ua rau brittle lossis thaj chaw tsis muaj zog hauv cov khoom, uas yooj yim heev rau daim ntawv tawg thiab ua tsis tiav.
2. Cov Khaub Ncaws Hnav Thaum Lub Sijhawm Casting
Qhov loj me thiab cov duab ntawm cov nplej ntawm cov nplej ncaj qha cuam tshuam rau cov khoom siv me me ntawm cov casting thiab tsim ntawm cov nrum tsis zoo. Thaum lub sijhawm ua tiav cov txheej txheem ntawm txhuas alloy, yog tias cov nplej muaj ntau dhau lossis tsis sib xws, lawv tuaj yeem yooj yim ua rau pom kev ua kom tawg lossis ua lwm yam tsis xws luag thaum siv thaum siv. Txhawm rau tiv thaiv cov tshwm sim no, kev ua kom zoo dua thev naus laus zis yog siv los txhim kho cov nplej xines.
Kev siv cov kev siv hluav taws xob yog ib txoj hauv kev zoo los daws cov teeb meem no. Tshwj xeeb, kev qhia ntawm aluminium-boron refiners muaj kev txhim kho tseem ceeb ntawm cov microstructure ntawm txhuas alloy ingots. Los ntawm kev ntxiv cov ntaub ntawv ntxiv, cov nplej tuaj yeem kho tau zoo, cov microstructure tsawg, thiab contacter cov qauv thiab cov nplej coinal txheem tuaj yeem txo. Cov nyhuv sib xyaw ua ke ntawm Tial₃ thiab Tib₂ nyob rau hauv Aluminium-Boron-Borer Nuclei, ua rau cov nplej ua kua, thiab yog li txhim kho cov khoom zoo thiab cov khoom siv ntawm lub casting.
Thaum siv refiners, kom tau txais cov nyhuv zoo tshaj plaws, nws yog ib qho tsim nyog los tswj cov nyiaj thiab txoj kev ntxiv. Feem ntau, tus nqi ntawm confiner ntxiv yuav tsum muaj mob. Kev ntxiv ntau dhau yuav ua rau cov qoob loo rog ntau thiab cuam tshuam cov tawv ntawm cov alloy, thaum tsawg tsawg tsawg yuav ua rau tsis muaj txiaj ntsig. Tsis tas li ntawd, kev faib tawm ntawm cov rov qab ua kom tsis txhob muaj kev sib dhos kom tsis txhob muaj kev tshaj tawm hauv cov neeg hauv qab roob uas ua kom ntseeg tau tias muaj kev sib xyaw ua ke.
3. Tswj kub thiab nplawm tshuab thaum smelting
SMELTING Uniformity tau cuam tshuam heev los ntawm kev tswj qhov kub thiab kub. Thaum smelting alloys, qhov kub ua teb faib nyob rau hauv cov malt thiab flow lub xeev ua si ib tug txiav txim siab lub luag haujlwm hauv kev sib xyaw. Ntau dhau los yog qis heev melt kub yuav ua rau tsis muaj kev sib xyaw lossis coarse nplej. Los ntawm kev tswj hwm qhov ntsuas kub tau tsim nyog tswj, txoj kev cais tawm ntawm cov txiv neej hauv cov yaj tuaj yeem txo qis.
Nyob rau tib lub sijhawm, nplawm tshuab ua lub luag haujlwm tseem ceeb hauv cov txheej txheem smelting. Los ntawm cov neeg kho tshuab lossis hluav taws xob sib tsoo, qhov nro ntawm cov kua txhuas alloy tuaj yeem tawg, yog li cov khoom siv ua kua thiab muaj cov khoom siv hauv zos. Qhov kev sib tw ntawm stirring ncaj qha cuam tshuam cov muaj kev sib xyaw ua ke ntawm cov yaj zoo thiab cov kev sib luag zoo. Tsim Nyog Tswj Hwm Ceev thiab Sijhawm, tshwj xeeb tshaj yog kev sib ntxiv ntawm cov neeg sib ntxiv, tuaj yeem txhim kho cov kev sib txuas tag nrho ntawm cov khoom siv hluav taws xob, tuaj yeem txhim kho cov qoob loo tag nrho thiab ntseeg tau cov khoom ua kom zoo tshaj plaws ntawm cov casting.
4. Microstructure kev tswj thaum lub sijhawm Solmification
Cov txheej txheem salorification yog cov theem tseem ceeb uas cuam tshuam rau microstructure ntawm txhuas alloy casts. Thaum lub sij hawm salmification, qhov ntsuas kub tso rau ntawm lub suab nrov ntawm cov nplej, thiab kev hloov kho ntawm cov nplej ntawm cov kev ua tau zoo ntawm kev ua tiav ntawm kev ua yeeb yam ntawm kev ua yeeb yam ntawm kev ua yeeb yam ntawm kev ua haujlwm zaum kawg. Rau siab zoo txhuas alloy caso casoy cas, nws yog qhov tsim nyog los tswj tus nqi txias, thiab thermodynamic lub xeev ntawm cov khoom-kua sib cuam tshuam hauv ntej thaum lub sijhawm ua kom zoo.
Thaum lub sij hawm ua tiav cov txheej txheem, txias sai sai pab ua kom ib qho kev sib txuam sai sai pab ua kom muaj cov qauv siv lead ua ke thiab txo cov feem ntawm cov muaju. Los ntawm kev ua kom zoo dua tus nqi cua txias thiab tswj qhov ntsuas kub thaum lub sij hawm txias, cov ris tsho sib txawv ntawm cov qauv zeb tuaj yeem hloov kho tau zoo. Ib qho ntxiv, rau ntu loj-kev kho mob, homogenization tshav kub kub feem ntau yog siv los tshem tawm cov khoom tsis ncaj ncees thiab txuas ntxiv txhim kho cov kev sib txuam thiab sib xws ntawm cov khoom siv.
5. Txuas ntxiv txhim kho smelting tshuab
Nyob rau hauv xyoo tsis ntev los no, nrog kev thov thoob plaws cov ntaub ntawv txhuas alloy, smelting thev naus laus zis kuj tseem tau tsim kev ntse ntxiv thiab kho cov kev tswj hwm thev naus laus zis. Niaj hnub nimno Alloy smelting khoom them ntau thiab ntau mloog rau kev tswj tsis siv neeg. Los ntawm kev kuaj online thiab tswj hwm, cov khoom siv, cov khoom siv kub thiab qoob loo thiab cov khoom siv hluav taws xob kom ntseeg tau tias cov txheej txheem smelting.
Ib qho ntxiv, nrog kev txhim kho ntawm cov txheej txheem smelting, thev naus laus zis xws li kev kho kom zoo nkauj smelting thiab online refinememement txoj kev kho tau maj mam los ua nrov. Cov thev naus laus zis tsis tsuas yog txhim kho kev ua haujlwm tau zoo, tab sis kuj ua tau zoo txo cov nqi siv hluav taws xob thiab cov nqi tsim khoom, txuas ntxiv txhawb kev niaj hnub alloy smelting thev naus laus zis.
Nyob rau hauv tus txheej txheem ntawm txhuas alloy smelting, kev sib txawv thiab xwm yeem yog qhov tseem ceeb los ua kom cov khoom lag luam zoo. Los ntawm kev siv lub cev ntawm kev siv hluav taws xob, kev ua kom zoo dua ntawm kev tswj qhov kub thiab siv cov qauv sib xyaw ua ke kom ntseeg tau tias cov khoom siv tau zoo tshaj plaws thiab cov khoom siv tau zoo. Nrog rau kev txhim kho thev naus laus zis, cov txheej txheem smelting ntawm txhuas alloys tab tom mus rau kev txawj ntse thiab kev ua kom zoo dua qub, thiab qhov zoo ntawm txhuas alloy casting khoom yog kev txhim kho txuas ntxiv.
Tsis tas li ntawd, qhov sib ntxiv ntawm cov kev sib ntxiv yog qhov tseem ceeb ntsuas los txhim kho kev sib txawv ntawm aluminium alloy smelting. Kev siv ntawm txhuas-titanium-boron refiners tuaj yeem txhim kho cov qauv qis-loj heev ntawm cov khoom muaju thiab kab muaju. Thaum ua kom muaj kev txhim kho cov hmoov nplej ua kom zoo ua rau muaj kev cuam tshuam ntxiv, cov kev siv hluav taws xob sib ntxiv tseem yuav tau los tswj nws cov nyiaj ntxiv, thiab zam kev sib xyaw, thiab zam kev ua kom muaj kev sib xyaw ntawm lub tshuab hluav taws xob. Txhawm rau kom cov smelting thiab ua kom zoo ntawm alloys alloys, nws yog qhov tsim nyog los ua kom zoo rau cov nplej zom, thiab nruj tswj cov kev faib tawm ntawm cov khoom faib.
Nyob rau hauv tus txheej txheem ntawm txhuas alloy smelting, kev sib txawv thiab xwm yeem yog qhov tseem ceeb los ua kom cov khoom lag luam zoo. Los ntawm kev siv hluav taws xob siv hluav taws xob, kev ua kom zoo dua ntawm kev tswj qhov kub thiab siv cov qauv sib xyaw, ua kom tau zoo dua qub cov qauv thiab cov khoom siv tau zoo heev thiab ruaj khov. Nrog rau kev txhim kho cov thev naus laus zis, cov txheej txheem smelting ntawm txhuas alloys tau tsiv mus rau kev txawj ntse thiab kev txhim kho, thiab txuas ntxiv txhim kho qhov zoo ntawm txhuas alloy casting khoom.
Lub Sijhawm Post: Oct-27-2024
