Tuag casting (nco ntsoov tias tuag casting tsis yog lub ntsiab lus ntawm lub siab casting) yog cov txheej txheem hlau casting uas siv cov pwm kab noj hniav los thov kev kub siab rau cov hlau molten. Pwm feem ntau yog machined los ntawm cov alloys muaj zog, ib tug txheej txheem zoo ib yam li kev txhaj tshuaj molding.
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Xuab zeb casting yog siv cov xuab zeb los ua cov pwm pwm. Xuab zeb pwm casting yuav tsum tau muab cov qauv ntawm cov khoom tiav lossis cov qauv ntoo (cov qauv) hauv cov xuab zeb, tom qab ntawd sau cov qauv nrog cov xuab zeb. Tom qab unpacking tus qauv, cov xuab zeb ua pwm. Txhawm rau tshem tawm cov qauv ua ntej nchuav cov hlau, cov pwm casting yuav tsum tau ua ob lossis ntau qhov; Thaum lub sij hawm molding txheej txheem, qhov thiab vents rau pouring hlau rau hauv pwm yuav tsum tau sab laug los tsim ib tug pouring system. Tom qab cov kua hlau yog nchuav rau hauv pwm, nws yuav tsum tau khaws cia rau lub sijhawm tsim nyog kom txog rau thaum cov hlau khov kho. Tom qab cov khoom raug tshem tawm, cov pwm raug rhuav tshem, yog li cov pwm tshiab yuav tsum tau ua rau txhua qhov casting.
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Kev nqis peev casting, tseem hu ua poob ciab casting, suav nrog cov txheej txheem xws li siv quav ciab nias, wax trimming, ntoo sib dhos, dipping, melting wax, casting molten hlau thiab tom qab ua tiav. Poob ciab casting siv siv quav ciab los ua ib qho qauv ntawm qhov yuav tsum tau cam khwb cia, thiab ces coats tus qauv siv quav ciab nrog av nkos, uas yog cov av nplaum pwm. Tom qab cov av nplaum pwm qhuav, nws yog ci rau hauv lub lauj kaub tais diav. Thaum raug rho tawm haujlwm, tag nrho cov quav ciab pwm melts thiab ploj mus, tsuas yog tawm hauv lub lauj kaub tais diav. Feem ntau, qhov chaw nres nkoj pouring yog sab laug thaum ua cov av nkos, thiab tom qab ntawd cov hlau molten yog poured rau hauv qhov chaw pouring. Tom qab txias, cov khoom yuav tsum tau ua.
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Tuag forging yog ib txoj kev forging uas siv cov tuag los ua ib qho khoob ntawm cov cuab yeej tshwj xeeb tuag forging kom tau txais ib qho forging. Raws li cov cuab yeej sib txawv, tuag forging yog muab faib ua rauj tuag forging, crank xovxwm tuag forging, ca forging tshuab tuag forging, kev sib txhuam xovxwm tuag forging, thiab lwm yam. ib khub ntawm counter-rotating tuag kom tau qhov xav tau forging los yog forging dawb paug. Nws yog ib daim ntawv tshwj xeeb ntawm kev sib sau dov (longitudinal dov).
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Forging yog ib txoj kev ua haujlwm uas siv cov tshuab forging los ua kom lub zog ntawm cov hlau blanks ua rau cov yas deformation kom tau txais forgings nrog qee yam khoom siv, cov duab thiab qhov ntau thiab tsawg. Nws yog ib qho ntawm ob qho tseem ceeb ntawm forging (forging thiab stamping). Forging tuaj yeem tshem tawm cov teeb meem xws li xoob li-cam khwb cia hlau tsim thaum lub sij hawm smelting txheej txheem thiab optimize lub microstructure. Nyob rau tib lub sijhawm, vim kev khaws cia ntawm cov hlau ua tiav, cov khoom siv ntawm forgings feem ntau zoo dua li cov khoom siv tib yam. Cov khoom tseem ceeb hauv cov tshuab muaj feem xyuam nrog kev thauj khoom siab thiab kev ua haujlwm hnyav feem ntau yog siv forgings, tshwj tsis yog cov duab yooj yim uas tuaj yeem dov daim hlau, profiles lossis welded qhov chaw.
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Rolling, tseem hu ua calendering, hais txog cov txheej txheem ntawm kev hla cov hlau ingot los ntawm ib khub ntawm cov chais kom muab nws cov duab. Yog hais tias qhov kub ntawm cov hlau tshaj nws qhov kub ntawm recrystallization thaum lub sij hawm dov, cov txheej txheem hu ua "kub dov", txwv tsis pub nws yog hu ua "txias dov". Calendering yog txoj kev siv ntau tshaj plaws hauv kev ua hlau.
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Lub ntsiab lus ntawm lub siab casting yog ib txoj hauv kev sau cov pwm tuag-casting pwm (tuag-casting pwm) kab noj hniav nrog cov kua lossis ib nrab-kua hlau ntawm kev kub ceev nyob rau hauv kev kub siab, thiab tsim thiab solidifying nyob rau hauv siab kom tau castings.
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Low-pressure casting yog ib txoj hauv kev uas cov hlau ua kua hauv cov pwm thiab solidifies mus rau hauv lub casting nyob rau hauv qhov kev txiav txim ntawm low-pressure gas. Tsawg-siab casting yog thawj zaug siv rau kev tsim cov aluminium alloy castings, thiab tom qab ntawd nws siv tau ntxiv los tsim cov tooj liab castings, hlau castings thiab steel castings nrog cov ntsiab lus siab melting.
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Centrifugal casting yog ib qho cuab yeej technology thiab cov txheej txheem uas txhaj cov kua hlau mus rau hauv lub siab ceev rotating casting pwm, kom cov hlau molten nyob rau hauv pwm thiab tsim ib tug casting nyob rau hauv qhov kev txiav txim ntawm centrifugal quab yuam. Lub casting pwm siv nyob rau hauv centrifugal casting, nyob ntawm seb cov duab, qhov loj thiab ntau lawm batch ntawm lub casting, yuav ua tau ib tug non-metallic pwm (xws li cov xuab zeb pwm, lub plhaub pwm los yog ib tug peev plhaub pwm), hlau pwm, los yog txheej txheej los yog resin xuab zeb txheej hauv cov pwm hlau. ntawm casting.
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Poob ua npuas ncauj casting yog kev sib txuas thiab sib txuas cov khoom siv paraffin los yog ua npuas ncauj qauv zoo ib yam li qhov loj thiab zoo li cov castings rau hauv cov qauv pawg. Tom qab txhuam nrog cov xim refractory thiab ziab, lawv tau faus rau hauv cov xuab zeb qhuav quartz thiab vibrated kom zoo. Lawv tau nchuav rau hauv qhov tsis zoo siab kom vaporize tus qauv. , ib tug tshiab casting txoj kev uas cov kua hlau occupies txoj hauj lwm ntawm tus qauv thiab solidifies thiab txias los tsim ib tug casting. Poob ua npuas ncauj casting yog txheej txheem tshiab uas yuav luag tsis muaj npoo thiab raug molding. Cov txheej txheem no tsis xav tau pwm noj, tsis muaj qhov sib cais, thiab tsis muaj cov xuab zeb. Yog li ntawd, lub casting tsis muaj flash, burrs, thiab cua ntsawj ntshab nqes hav, thiab txo tus naj npawb ntawm pwm core defects. Dimensional yuam kev tshwm sim los ntawm kev sib xyaw ua ke.
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Squeeze casting, tseem hu ua kua tuag forging, yog txhaj tshuaj molten hlau lossis semi-solid alloy ncaj qha mus rau hauv lub pwm qhib, thiab tom qab ntawd kaw cov pwm los tsim cov dej ntws kom ncav cuag cov duab sab nraud ntawm lub workpiece, thiab tom qab ntawd siv lub zog siab. ua kom cov solidified Cov hlau (plhaub) undergoes yas deformation, lub unsolidified hlau yog raug rau isostatic siab, thiab high-pressure solidification tshwm sim nyob rau tib lub sij hawm. Thaum kawg, txoj kev tau txais ib feem lossis qhov khoob yog txoj kev ncaj qha nyem casting; kuj tseem muaj indirect squeeze casting, uas yog hais txog melting molten hlau los yog semi-solidified hlau. Ib txoj hauv kev uas cov khoom siv hlau raug txhaj rau hauv qhov kaw pwm kab noj hniav los ntawm kev xuas nrig ntaus, thiab kev kub siab yog siv los ua kom nws crystallize thiab solidify nyob rau hauv siab, thiab thaum kawg ib feem los yog dawb paug yog tau.
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Kev nruam nruam yog ib txoj kev casting uas siv cov khoom siv hluav taws xob nkag mus rau cov kua hlau txuas ntxiv mus rau ib qho kawg thiab txuas ntxiv rub tawm cov khoom molding los ntawm lwm qhov kawg.
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Kev kos duab yog ib txoj kev ua cov yas uas siv cov quab yuam sab nraud los ua rau ntawm qhov kawg ntawm cov hlau yuav tsum tau kos, thiab rub cov hlau dawb paug los ntawm qhov tuag qhov me dua qhov seem ntawm qhov khoob kom tau txais cov khoom ntawm cov khoom sib xws thiab qhov loj me. Txij li thaum kos duab feem ntau yog nqa tawm hauv lub xeev txias, nws tseem hu ua txias kos duab lossis kos duab txias.
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Stamping yog ib txoj hauv kev ua cov txheej txheem uas tso siab rau cov xovxwm thiab cov pwm los siv lub zog sab nraud rau cov phaj, strips, cov kav dej thiab cov profiles kom ua rau cov yas deformation lossis sib cais, yog li tau txais cov khoom ua haujlwm (stamping qhov chaw) ntawm cov duab thiab qhov loj me.
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Hlau Txhaj Moulding (MIM) yog cov hmoov metallurgy tshiab nyob ze-net tsim tshuab tau los ntawm kev lag luam yas txhaj tshuaj molding. Raws li peb txhua tus paub, yas txhaj tshuaj molding tshuab tuaj yeem tsim cov khoom ntawm ntau yam duab ntawm tus nqi qis, tab sis yas Lub zog ntawm cov khoom tsis siab. Txhawm rau txhim kho nws cov kev ua tau zoo, cov hmoov hlau los yog ceramic tuaj yeem muab ntxiv rau cov yas kom tau cov khoom uas muaj zog dua thiab hnav tsis kam. Nyob rau hauv xyoo tsis ntev los no, lub tswv yim no tau hloov zuj zus mus ua kom cov khoom particle cov ntsiab lus thiab tshem tawm tag nrho cov binder thiab densify lub parison thaum lub sij hawm tom ntej sintering txheej txheem. Cov hmoov metallurgy tshiab no yog hu ua hlau txhaj tshuaj molding.
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Tig ua yog hais txog kev ua tshuab dhos uas yog ib feem ntawm kev ua tshuab. Lub tshuab dhos ua haujlwm tsuas yog siv cov cuab yeej tig los tig cov haujlwm ua haujlwm. Lathes feem ntau yog siv los ua cov shafts, discs, tes tsho thiab lwm yam workpieces nrog rotating nto. Lawv yog cov feem ntau siv hom tshuab cuab yeej ua nyob rau hauv machinery manufacturing thiab kho factories. Tig yog ib txoj hauv kev txiav lub workpiece ntawm lub tshuab dhos los ntawm kev tig lub workpiece txheeb ze rau lub cuab yeej. Lub zog txiav rau txoj siav yog muab los ntawm lub workpiece es tsis yog lub cuab yeej. Tig yog qhov yooj yim tshaj plaws thiab feem ntau txiav cov txheej txheem thiab ua lub luag haujlwm tseem ceeb hauv kev tsim khoom. Tig yog tsim nyog rau kev ua rotating nto. Feem ntau cov workpieces nrog rotating nto tuaj yeem ua tiav los ntawm txoj kev tig, xws li sab hauv thiab sab nraud cylindrical nto, sab hauv thiab sab nraud conical nto, kawg ntsej muag, grooves, threads thiab rotary forming nto. Cov cuab yeej siv feem ntau yog cov cuab yeej tig.
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Milling milling yog kho qhov khoob thiab siv lub tshuab ua kom nrawm nrawm los txiav tawm qhov xav tau cov duab thiab cov yam ntxwv. Ib txwm milling feem ntau yog siv rau milling yooj yim cov duab / nta xws li contours thiab slots. CNC milling tshuab tuaj yeem ua cov duab nyuaj thiab nta. Lub milling thiab tho txawv machining chaw tuaj yeem ua peb-axis lossis ntau-axis milling thiab tho txawv, thiab yog siv rau kev ua pwm, tshuaj xyuas cov cuab yeej, pwm, nyias-walled complex nkhaus nto, dag prostheses, hniav, thiab lwm yam. Thaum xaiv CNC milling ua cov ntsiab lus, qhov zoo thiab lub luag haujlwm tseem ceeb ntawm CNC milling tshuab yuav tsum tau siv tag nrho.
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Planing yog ib txoj kev txiav uas siv lub planer los ua kab rov tav thiab kab rov tav reciprocating ntawm lub workpiece. Nws yog tsuas yog siv rau cov duab ua ntawm qhov chaw. Qhov tseeb ntawm kev npaj ua tiav yog IT9 ~ IT7, thiab qhov roughness Ra yog 6.3 ~ 1.6um.
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Kev Sib Tsoo Sib Tsoo yog hais txog ib txoj kev ua haujlwm uas siv cov khoom siv abrasives thiab cov cuab yeej abrasive kom tshem tawm cov khoom siv ntau dhau los ntawm qhov chaw ua haujlwm. Sib tsoo yog ib qho ntawm cov kev siv dav tshaj plaws.
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Selective laser melting Nyob rau hauv lub tank npog nrog hlau hmoov, lub computer tswj lub siab-power carbon dioxide laser xaiv cheb hla saum npoo ntawm cov hmoov hlau. Txhua qhov chaw ntawm lub laser hits, cov hmoov hlau ntawm qhov chaw yog tag nrho melted thiab sib koom ua ke, thaum cov cheeb tsam tsis raug ntaus los ntawm lub laser tseem nyob hauv cov hmoov av. Tag nrho cov txheej txheem yuav tsum tau ua nyob rau hauv lub kaw chamber uas muaj cov roj inert.
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Selective laser sintering yog ib txoj kev SLS uas siv infrared lasers ua lub zog, thiab cov qauv siv cov ntaub ntawv yog feem ntau cov ntaub ntawv hmoov. Thaum lub sij hawm ua, cov hmoov yog thawj preheated rau qhov kub me ntsis qis dua nws melting point, thiab ces cov hmoov yog smoothed nyob rau hauv qhov kev txiav txim ntawm ib tug scraping stick; lub laser beam yog xaiv Z-sintered raws li cov txheej txheem hla-section cov ntaub ntawv nyob rau hauv lub computer tswj, thiab ib txheej ntawm Tom qab ua tiav, txheej tom ntej ntawm sintering yog ua. Tom qab tag nrho cov sintering tiav, cov hmoov ntau dhau raug tshem tawm, thiab tau txais ib feem sintered. Tam sim no, cov txheej txheem paub tab yog cov hmoov av thiab cov hmoov yas, thiab cov txheej txheem sintering siv cov hmoov hlau los yog cov hmoov ceramic tseem nyob hauv kev tshawb fawb.
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Hlau deposition yog me ntsis zoo ib yam li "cream-squeezing" fused deposition, tab sis hlau hmoov yog ejected. Thaum lub nozzle sprays hlau hmoov cov ntaub ntawv, nws kuj muab high-power laser thiab inert roj tiv thaiv. Qhov no yuav tsis raug txwv los ntawm qhov loj ntawm lub thawv hlau hmoov, tuaj yeem ncaj qha tsim cov khoom loj, thiab kuj yog qhov tsim nyog rau kev kho qee qhov kev puas tsuaj precision.
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Roll Forming Txoj kev yob txoj kev siv cov kev sib txuas txuas ntxiv mus rau yob stainless hlau rau hauv cov duab nyuaj. Cov txheej txheem ntawm rollers yog tsim nyob rau hauv xws li ib txoj kev uas cov menyuam profile ntawm txhua qhov sawv ntsug tsis tu ncua deforms cov hlau kom txog rau thaum qhov xav tau kawg cov duab tau txais. Yog hais tias cov duab ntawm ib feem yog complex, mus txog rau peb caug-rau racks yuav siv tau, tab sis rau qhov chaw nrog cov duab yooj yim, peb los yog plaub racks yuav txaus.
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Tuag forging yog hais txog ib txoj kev forging uas siv cov tuag los ua ib qho khoob ntawm cov cuab yeej tshwj xeeb tuag forging kom tau txais forgings. Cov forgings uas tsim los ntawm cov qauv no muaj qhov ntev, me me machining nyiaj pub dawb, cov qauv nyuaj thiab cov khoom tsim tau siab.
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Tuag txiav yog txheej txheem blanking. Zaj duab xis tsim nyob rau hauv cov txheej txheem yav dhau los yog positioned ntawm tus txiv neej tuag ntawm cov tuag-txiav tuag. Cov khoom siv ntau dhau raug tshem tawm los ntawm kev kaw qhov tuag, khaws cov duab 3D ntawm cov khoom thiab sib piv nrog cov pwm kab noj hniav.
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Cov txheej txheem tuag-txiav cov txheej txheem tuag, cov zaj duab xis vaj huam sib luag los yog Circuit Court yog nyob rau hauv qab phaj, qhov tuag yog tsau rau ntawm lub tshuab template, thiab lub zog muab los ntawm lub tshuab downward siab yog siv los tswj cov hniav txiav cov khoom. Dab tsi ua rau nws txawv ntawm qhov xuas nrig ntaus tuag yog qhov kev txiav yog smoother; Nyob rau tib lub sijhawm, los ntawm kev kho qhov txiav siab thiab qhov tob, nws tuaj yeem xuas nrig tawm cov teebmeem xws li indentations thiab ib nrab-so. Nyob rau tib lub sijhawm, tus nqi ntawm molding yog tsawg thiab kev ua haujlwm yooj yim dua, nyab xeeb thiab ceev.
