Peb cov txheej txheem casting yog dab tsi?

Casting yog ntau yam txheej txheem tsim khoom siv los tsim ntau yam khoom los ntawm kev nchuav cov khoom molten, feem ntau yog hlau lossis yas, rau hauv pwm kom tau txais cov duab uas xav tau. Muaj ntau cov txheej txheem casting muaj, txhua tus nrog nws cov yam ntxwv tshwj xeeb thiab kev siv. Txawm li cas los xij, peb qhov txheej txheem casting tseem ceeb tshaj plaws yog siv thiab pom dav: xuab zeb casting, tuag casting, thiab peev casting. Hauv phau ntawv qhia dav dav no, peb yuav tshawb xyuas peb cov txheej txheem casting no kom ntxaws.

1. Xuab zeb Casting:

Xuab zeb casting yog ib qho ntawm cov qub tshaj plaws thiab feem ntau siv cov txheej txheem casting, paub txog nws cov kev ua tau zoo thiab hloov tau. Nws yog qhov tshwj xeeb tshaj yog tsim rau kev tsim cov hlau loj thiab complex. Cov khoom tseem ceeb ntawm cov xuab zeb casting muaj xws li cov qauv (ib qho qauv ntawm qhov xav tau), pwm ua los ntawm cov xuab zeb, thiab lub rooj vag system rau pouring cov hlau molten. Ntawm no yog cov yam ntxwv tseem ceeb ntawm cov xuab zeb casting:

Qauv:Cov qauv feem ntau yog ua los ntawm ntoo, hlau, lossis yas thiab yog siv los tsim cov pwm kab noj hniav hauv cov xuab zeb.

Pwm Khoom:Xuab zeb pwm yog tsim los ntawm kev ntim tshwj xeeb npaj cov xuab zeb nyob ib ncig ntawm cov qauv los tsim cov pwm kab noj hniav.

Pwm hom:Muaj ob lub ntsiab ntawm cov xuab zeb pwm: ntsuab xuab zeb pwm, uas yog tsim los ntawm cov xuab zeb ntub dej, tsis kho cov xuab zeb, thiab cov xuab zeb pwm, uas siv cov xuab zeb sib xyaw nrog cov thermosetting resin los muab qhov zoo dua qhov ruaj khov thiab qhov chaw tiav.

Gating System:Lub rooj vag system, muaj cov sprues, khiav, thiab rooj vag, tswj cov dej ntws ntawm cov hlau molten rau hauv pwm kab noj hniav.

Ncuav:Molten hlau yog poured rau hauv pwm kab noj hniav, sau nws tag nrho.

Cooling thiab Solidification:Tom qab pouring, cov hlau txias thiab solidifies nyob rau hauv lub pwm.

Kev tshem tawm Casting:Thaum cov hlau tau solidified, lub casting raug tshem tawm ntawm pwm, thiab cov khoom siv ntau dhau yog trimmed thiab tiav.

Xuab zeb casting yog paub txog nws qhov yooj yim hauv kev tuav ntau yam hlau, suav nrog txhuas, tooj dag, tooj liab, hlau, thiab hlau. Nws feem ntau yog siv los ua qhov chaw rau kev lag luam xws li automotive, aerospace, thiab cov tshuab hnyav. Xuab zeb casting yog tus nqi tsim nyog rau kev ua haujlwm loj thiab yog qhov zoo rau kev tsim cov khoom sib txawv thiab cov ncauj lus kom ntxaws heev.

2. Tuag Casting:

Tuag casting yog txheej txheem high-pressure casting paub rau nws ceev thiab precision nyob rau hauv ua complex hlau qhov chaw nrog zoo heev nto tiav. Cov txheej txheem no suav nrog yuam cov hlau molten rau hauv cov pwm tuaj yeem siv tau, hu ua tuag, nyob rau hauv siab. Tuag casting yog dav siv nyob rau hauv zus tau tej cov Cheebtsam rau industries xws li tsheb, electronics, thiab cov neeg siv khoom. Nov yog cov yam ntxwv tseem ceeb ntawm kev tuag casting:

Tuag:Cov tuag yog cov pwm tsim los ntawm cov hlau tawv tawv lossis lwm yam khoom siv ruaj khov. Nws txhais cov duab thiab cov yam ntxwv ntawm cov casting.

Siab Siab:Molten hlau yog txhaj rau hauv qhov tuag kab noj hniav ntawm kev kub siab, feem ntau yog siv hydraulic lossis mechanical xovxwm.

Rapid Solidification:Vim muaj kev kub siab thiab txias ceev, qhov chaw tuag-cam khwb cia muaj cov qauv zoo, uas ua rau cov khoom siv zoo heev.

Tight Tolerances:Tuag casting muaj peev xwm ua tau qhov chaw nrog nruj me ntsis kam rau ua thiab cov ntsiab lus intricate.

Variants:Muaj ob hom kev sib txawv ntawm kev tuag casting: txias chamber tuag casting, haum rau cov hlau uas muaj cov ntsiab lus siab melting zoo li txhuas thiab tooj dag, thiab kub chamber tuag casting, uas yog siv rau cov hlau nrog qis melting ntsiab lus xws li zinc thiab magnesium.

Tuag casting paub txog nws qhov ua tau zoo, rov ua dua, thiab muaj peev xwm tsim cov khoom zoo nrog tsawg kawg tom qab-casting machining. Txawm li cas los xij, nws yog qhov tsim nyog rau cov khoom ntim siab dua vim yog tus nqi pib ntawm kev tsim cov tuag.

3. Kev nqis peev Casting:

Peev casting, tseem hu ua poob-wax casting, yog ib tug meej thiab ntau yam casting txheej txheem uas feem ntau xaiv los ua complex, intricate, thiab high-zoo hlau qhov chaw. Nws muab nws lub npe los ntawm kev nqis peev los yog "poob" qauv, uas yog ua los ntawm wax los yog ib yam khoom zoo sib xws thiab yog melted thaum lub sij hawm casting txheej txheem. Nov yog cov yam ntxwv tseem ceeb ntawm peev casting:

Kev tsim qauv:Cov txheej txheem pib nrog kev tsim cov qauv siv quav ciab, uas yog ib qho piv txwv ntawm qhov kawg. Ntau tus qauv tuaj yeem txuas rau ib tsob ntoo wax los tsim ntau qhov chaw ib txhij.

Kev sib dhos:Cov qauv siv quav ciab lossis cov ntoo tau sib sau ua ke rau hauv lub rooj vag, uas feem ntau yog ua los ntawm cov quav ciab lossis cov khoom siv cua sov.

Kev nqis peev:Lub rooj sib txoos yog coated nrog cov khoom siv refractory, xws li ceramic slurry los yog plaster, los tsim ib lub plhaub tawv nyob ib ncig ntawm cov qauv siv quav ciab.

De-waxing:Cov coated sib dhos yog rhuab kom yaj thiab tshem tawm cov quav ciab (li no lo lus "poob-wax casting"), tawm hauv qab ib kab noj hniav hauv cov khoom siv refractory.

Casting:Molten hlau yog poured rau hauv cov pwm refractory, sau cov kab noj hniav yav tas los nyob los ntawm cov qauv siv quav ciab.

Cooling thiab Solidification:Cov hlau txias thiab solidifies hauv pwm.

Kev tshem tawm plhaub:Tom qab solidification, lub plhaub refractory yog tawg tam sim ntawd kom pom cov cam khwb cia hlau ib feem.

Ua tiav:Lub casting yuav xav tau kev ua haujlwm tiav, xws li machining, polishing, lossis kev kho saum npoo, kom ua tau raws li qhov xav tau tshwj xeeb thiab nto tiav.

Peev casting muaj nuj nqis rau nws lub peev xwm los tsim intricate thiab ze-net-puab qhov chaw nrog tshwj xeeb nto tiav thiab qhov tseeb qhov tseeb. Nws yog feem ntau siv nyob rau hauv kev lag luam xws li aerospace, hniav nyiaj hniav kub, thiab kos duab foundries, qhov twg precision thiab nthuav dav yog qhov tseem ceeb.

Hauv kev xaus, xuab zeb casting, tuag casting, thiab peev casting yog peb qhov tseem ceeb casting txheej txheem, txhua tus muaj nws cov yam ntxwv thiab qhov zoo. Qhov kev xaiv ntawm cov txheej txheem casting yog nyob ntawm cov yam ntxwv xws li hom khoom, qhov nyuaj ntawm qhov, yuav tsum tau ua siab ntev, thiab ntim ntau lawm. Los ntawm kev xaiv txoj kev tsim nyog casting, cov tuam ntxhab tuaj yeem ua tau zoo thiab tsim tau ntau yam khoom siv hlau rau ntau yam kev lag luam thiab kev siv.