Nyob rau hauv teb kev lag luam lag luam, xuab zeb casting yog ib tug dav siv thiab ntev keeb kwm ntawm cov hlau moulding txheej txheem.
1.Zold ua
Raws li cov kev xav tau ntawm cov duab kos duab, xaiv cov khoom siv pwm tsim nyog (xws li ntoo tsim nyog (xws li ntoo pwm, hlau pwm lossis pwm thiab ua pwm. Hauv kev tsim qauv ntawm cov pwm, yuav tsum muab faib ua ke ntawm cov nrag plaub hau tshaj plaws {}}}}}} in section ensure section of ntawm cov qauv tom qab qhov sib luag du. Nyob rau tib lub sijhawm, cov yam ntxwv ntawm cov casting thiab cov khoom lag luam ntau lawm yuav tsum tau txiav txim siab ntawm pwm qauv thiab txhim kho cov qauv siv hluav taws xob thiab kev tsim cov pwm. Piv txwv li, rau castingsings nrog cov duab nyuaj, nws yuav tsim nyog los tsim qauv ntau dua ib feem ntawm cov chaw nyob thiab moulding ntawm cov xuab zeb core.
2. Xuab zeb pwm npaj
Xaiv haum Silica Xuab Zeb, thiab raws li cov khoom siv thiab cov kev xav tau ntawm cov nrib pleb, ntxiv cov khoom av nplaum, dej ntxiv, thiab sib tov nws nyob rau hauv ib qho kev faib ua feem. Nruj me ntsis tswj qhov kev ua tau zoo ntawm xuab zeb, xws li particle loj faib, thiab lwm yam, txhawm rau kom tau raws li kev siv xuab zeb pwm. Nyob rau hauv cov txheej txheem kos duab pwm, kuj tseem yuav tsum txiav txim siab tag nrho cov xuab zeb, los ntawm kev tswj hwm zoo, txo cov nqi siv khoom siv thiab ib puag ncig cov pa phem.
3. Tu siab thiab tseem ceeb ua
Moulding
Cov txheej txheem moulding tuaj yeem faib ua ob pawg: phau ntawv molding thiab tshuab moulding. Kev tuav molding muaj qib siab ntawm kev hloov pauv, haum rau ib thooj, cov duab me me lossis cov duab me me ntawm cov castingings. Kev tswj cov txheej txheem molding muaj xws li khawb khawb txoj kev, xoob thaiv txoj kev thiab lwm yam. Tshuab Moulding siv siab siab {3} Tam sim no moulding kev ua tau zoo thiab ua tau zoo rau huab hwm coj los yog cov khoom siv ntau lawm los yog cov khoom siv ntau lawm. Piv rau phau ntawv molding, kev ua haujlwm ntawm tshuab moulding yuav nce los ntawm 3 - 5 lub sij hawm.
Lub tub ntxhais hu
Cov xuab zeb ntawm cov xuab zeb yog qhov tseem ceeb ntawm cov kab noj kab noj hniav hauv lub cev. Nyob ntawm cov duab thiab cov nyom ntawm cov kab noj hniav, lub thawv tseem ceeb yog tsim thiab tsim kom haum. Hauv cov txheej txheem ua tiav, cov npaj cov xuab zeb yog sau rau hauv lub thawv tseem ceeb, thiab cov xuab zeb tseem ua tiav los ntawm cov txheej txheem ntawm kev cog lus thiab kho. Rau cov khoom siv nrog cov kab noj hniav nyuaj, xws li turbine hniav txias raws, nws yog qhov tsim nyog los tiv thaiv cua cores kom tiv thaiv cua cores los tiv thaiv cua qhov tsis xws luag los ntawm kev tshwm sim thaum lub sij hawm pouring. Tom qab ua qauv, cov xuab zeb pwm thiab cores tau qhuav, feem ntau thaum {}}}}}}}}}}}} lub zog ntawm cov pwm thiab cores.
4. Gating Tsim Qauv Tsim
Kev tsim ntawm GATE system system system system System ua lub luag haujlwm tseem ceeb hauv qhov zoo ntawm cov cuab yeej. Nws muaj lub rooj vag sab nraud, rooj vag, sab hauv rooj vag thiab txhua qhov yuav tsum tau pom kev yooj yim kom txo qis lub cev cua thiab cov tshuaj oxidation ntawm cov yaj. Thaum tsim cov rooj vag system, qhov loj me thiab naj npawb ntawm cov rooj vag yuav tsum tau txiav txim siab raws li cov duab, qhov loj me ntawm cov ua kua kab thiab cov kua hlau. Piv txwv li, rau tuab {- walled yuav tsum qhib kom deb li deb tau ntawm cov khoom siv kub thiab ua kom- nce shrinkage.
Tus tsim qauv ntawm tus riser yuav tsum tau teeb tsa hauv qhov chaw sib koom tes kub ntawm cov casting, xws li tuab {{walled pob qij txha. Feem ntau siv cov ntaub ntawv risers suav nrog cov riser sab saum toj, sab riser, thiab lwm yam. Cov risER sab saum toj tuaj yeem txo cov porosity ntawm lub porosity ntawm cov casting, feem ntau tuaj yeem txo los ntawm 30% {}}}%. Nyob rau tib lub sijhawm, txhawm rau hloov cov khoom siv sib txawv thiab tiv thaiv kev deformation ntawm lub casting, nws kuj tseem tsim nyog tau teeb tsa cov cua thiab hlau txias. Cov hlau txias feem ntau yog muab tso rau hauv lub tuab -}} pa taws ib feem, kom nws thiaj li ua kom nrawm nrawm nrog cov khoom sib xyaw nrog cov palled lossis ua ntu zus.
5.Melting thiab nchuav
Raws li cov ntaub ntawv ntawm cov nrum los xaiv cov khoom siv melting uas tsim nyog, xws li cov hluav taws xob hluav taws xob lossis nruab nrab ntau lub cub hluav taws. Hauv cov txheej txheem melting, qhov kub yaj thiab lub sijhawm yuav tsum tau nruj me ntsis kom ntseeg tau tias cov kua thiab cov kua hlau zoo ua tau raws li qhov yuav tsum tau ua. Piv txwv li, lub suab kub yaj ntawm cov hlau cam khwb cia uas tau mus txog1400 - 1500℃ntawm aluminium alloy yuav tsum tau mus txog {}} degree. Nyob rau tib lub sijhawm, kev saib xyuas yuav tsum tau them nyiaj rau qhov yuav tsum tau muaj ntawm lub suab yaj ua kom tsis txhob muaj paug ntawm cov kav dej.
Ua ntej pouring, lub ladle yuav tsum yog preheated, feem ntau mus 600 - 800} degree, nyob rau hauv thiaj li yuav tiv thaiv cov nroj tsuag moltening los ntawm kev poob sai sai. Thaum nchuav, tus nqi txaus ntawm cov hlau ua kua yuav tsum tau tswj hwm, rau cov xim txho cam khwb cia hlau, cov pouring ceev yog feem ntau tswj hwm ntawm0.5 - 1.5 kg / s. Qhov kev ua haujlwm nchuav yuav tsum du thiab txawm tias kom tsis txhob ua kua hlau tawg, oxidation thiab kev nqus huab cua. Tom qab pouring ua tiav, cia tus qauv Casting sawv ntsug thiab txias {{5} {} {teev, txhawm rau paub tseeb tias qhov kev ua tiav yog ua tiav.
6. XUB poob thiab ntxuav
Thaum lub casting yog txias rau ib qho kub thiab txias, nws yuav muab tso rau ntawm lub tshuab vibrating rau kev kho xuab zeb. Vibrating sand xa tshuab los ntawm tsim kev co, yog li ntawd cov xuab zeb thiab kev sib cais cam khwb. Nyob rau hauv cov txheej txheem ntawm sand poob, txheej txheem tsis xws li kev co zaus xws li lub zog ntawm cov cam khwb cia ntawm cov cam khwb cia, txhawm rau txhim kho kev ua tau zoo thiab qhov zoo ntawm cov xuab zeb qeeb. Tom qab cov xuab zeb poob, cov xuab zeb qub tuaj yeem rov ua dua tshiab thiab siv dua tom qab tsoo, siev thiab lwm yam kev kho mob.
Tom qab, tus casting yog ntxuav kom tshem tawm cov tawv nqaij oxide thiab ya burrs rau nws nto. Txhaj tshuaj blasting, xuab zeb blasting, kev sib tsoo thiab lwm txoj kev tuaj yeem siv los ntxuav kom huv kom txhim kho qhov chaw ntawm cov duab sib tw. Piv txwv li, qhov chaw ntawm qhov chaw ntawm cov casting tuaj yeem txo los ntawm RA 12μm rau hauv qab no RA 6μm los ntawm kev ntxuav.
7. Kev tshuaj xyuas thiab tshaj tawm - kev kho
Kev kuaj xyuas
Nqa tawm cov tshuaj ntsuam xyuas tau zoo ntawm cov khoom siv huv si, suav nrog kev tshuaj xyuas cov tsos, qhov loj me me kev soj ntsuam. Cov tsos tshuaj xyuas feem ntau txheeb xyuas seb puas muaj qhov tsis xws luag, xws li porosom, trachoma, tawg, thiab lwm yam; Kev ntsuas kev ntsuas qhov muag lossis ntsuas ntsuas ntsuas qhov tseeb ntawm cov kab ke ntawm CT {} CT10 qib); Kev kuaj xyuas sab hauv zoo tuaj yeem siv rau cov qauv siv, xws li x} Cov qhov kev kuaj tshav, qhov tawg, thiab lwm yam. Kev soj ntsuam sab hauv zoo tuaj yeem nqa tawm los ntawm tsis- Lub qhov kev sim siab, tawg, thiab ua kom cov qauv kev sim ua ke.
Tshaj tawm -} kev kho
Raws li kev siv cov tseev kom muaj ntawm cov nrumtingsings, tsim nyog castings rau cov kab ke sib raug - kev kho txheej txheem. Cov lus tshaj tawm - Kev kho cov txheej txheem kho xws li kev kho cua sov thiab kev kho kom nto. Lub hom phiaj ntawm kev kho cua sov yog kom tshem tawm cov nrum ua ke hauv cov txheej txheem kev ntxhov siab, txhim kho lub hardness, lub zog thiab kev nruj thiab lwm yam khoom siv. Cov kev kho deg tuaj yeem txhim kho cov xeb ua haujlwm, xws li kev ua kom zoo nkauj ntawm cov cam khwb cia, plating, tshuaj lom neeg kho mob ntawm cov duab txheem.