Foundry indispensable khoom yogsow pwm, dross pan, slag rau hauv, dross pressthiab lwm yam khoom siv, suav nrog kev lag luam sib txawv, peb tuaj yeem ua raws li cov kev xav tau tshwj xeeb, txhawm rau txhim kho lub Hoobkas ib puag ncig, txhim kho hlau rov qab, txo cov nqi.
1. Sow Pwm
Tus sow pwm yog lub hauv paus tseem ceeb hauv cov txheej txheem txhuas casting. Nws ua hauj lwm raws li lub receptacle rau molten txhuas, tso cai rau nws mus solidify mus rau hauv ib tug loj, lub duab plaub lub npe hu ua "sow." Qhov no sow yog thawj daim ntawv uas dhau mus ua ntxiv los tsim ntau yam khoom txhuas. Cov pwm pwm yuav tsum tau ua los ntawm cov ntaub ntawv uas muaj cov thermal conductivity kom zoo thiab tiv thaiv deformities hauv cov qauv txhuas.
Ntxiv mus, sow pwm yog tsim los tiv taus qhov kub thiab txias thiab nquag siv. Lawv feem ntau yog tsim los ntawm cov khoom siv ruaj khov xws li steel lossis graphite, uas tuaj yeem tiv taus qhov hnyav ntawm qhov chaw casting. Kev saib xyuas kom raug thiab kev ua tiav hauv kev tsim pwm tsim ua rau muaj txiaj ntsig zoo thiab zoo ntawm cov txheej txheem txhuas casting.
2. Dros Pan
Dross, ib qho byproduct tsim nyob rau saum npoo ntawm molten aluminium, muaj impurities thiab oxides uas yuav tsum tau muab cais los tswj qhov zoo ntawm cov khoom kawg. Lub lauj kaub dross yog ib qho tseem ceeb ntawm cov cuab yeej siv los sau thiab tshem tawm cov dross los ntawm qhov chaw ntawm molten aluminium nyob rau hauv lub cub tawg.
Tsim los ntawm cov ntaub ntawv kub-resistant, dross pans yog tsim los tiv thaiv cov cua sov uas tsim los thaum lub sij hawm casting txheej txheem. Qhov kev ua tau zoo ntawm lub lauj kaub dross ncaj qha cuam tshuam rau purity ntawm molten aluminium, kom ntseeg tau tias cov khoom kawg ua tau raws li cov qauv nruj. Kev tu thiab tu lub lauj kaub dross tsis tu ncua yog qhov tseem ceeb los tiv thaiv cov kab mob los ntawm kev cuam tshuam rau cov khoom siv aluminium alloy.
3. Slag Bin
Slag, lwm yam byproduct ntawm txhuas casting txheej txheem, muaj impurities thiab non-metallic cov ntaub ntawv uas yuav tsum tau muab cais los ntawm cov molten aluminium. Lub slag bin ua ib lub thawv rau kev sau thiab khaws cia slag, tiv thaiv nws los ntawm kev paug cov khoom txhuas kawg.
Slag bins feem ntau yog nruab nrog cov yam ntxwv xws li rwb thaiv tsev thermal thiab refractory hauv ob sab phlu kom tiv taus qhov kub siab ntawm molten aluminium thiab slag. Kev tsim ntawm lub slag rau hauv kev ua kom yooj yim tshem tawm thiab pov tseg ntawm cov slag sib cais, pab ua kom huv thiab ua kom yooj yim dua txheej txheem casting. Kev tswj kom zoo ntawm slag yog qhov tseem ceeb hauv kev tswj xyuas qhov zoo thiab kev ncaj ncees ntawm aluminium alloy.
4. Dross Press
Dross xovxwm yog ib qho tshwj xeeb ntawm cov cuab yeej siv los rho tawm aluminium los ntawm dross, cov residue sau los ntawm qhov saum npoo ntawm molten aluminium. Lub dross xovxwm siv lub siab rau lub dross, squeezing tawm cov seem txhuas, uas tuaj yeem rov siv dua thiab rov ua dua rau hauv cov txheej txheem casting.
Kev ua haujlwm zoo dross tsis tsuas yog txo cov pov tseg xwb tab sis kuj tseem ua rau kev txuag nqi thiab kev ruaj ntseg ib puag ncig. Cov txhuas rov qab tuaj yeem rov qab siv tau, txo qis qhov xav tau ntawm cov khoom siv raw thiab txo kev siv zog hauv lub voj voog ntau lawm. Dross xovxwm yog ib qho cuab yeej tseem ceeb rau kev ua kom zoo tshaj plaws ntawm cov txheej txheem txhuas casting.
Xaus
Kev lag luam aluminium cia siab rau ntau yam khoom siv tshwj xeeb los xyuas kom meej qhov ua tau zoo thiab zoo ntawm cov txheej txheem casting. Covsow pwm, dross pan, slag rau hauv, thiab dross pressyog cov khoom tseem ceeb uas ua rau muaj kev tsim cov khoom zoo aluminium. Los ntawm kev nkag siab txog kev ua haujlwm thiab qhov tseem ceeb ntawm cov khoom tseem ceeb no, cov tuam ntxhab tuaj yeem txhim kho lawv cov txheej txheem casting, txo cov khoom pov tseg, thiab txhim kho kev ruaj khov ntawm kev lag luam txhuas. Raws li thev naus laus zis txuas ntxiv mus, kev tshawb fawb tsis tu ncua thiab kev txhim kho hauv cov cuab yeej casting yuav ua kom zoo dua qub thiab txhim kho kev tsim cov txhuas, ua tau raws li qhov xav tau ntawm kev lag luam sib txawv thoob ntiaj teb.
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