Peev casting, feem ntau hu ua poob ciab casting, yog ib tug precision manufacturing txheej txheem uas tsim hlau qhov chaw nrog tshwj xeeb nto tiav thiab intricate geometric nthuav dav. Tsis zoo li cov pa xuab zeb casting, uas tawm ntawm qhov chaw ntxhib thiab yuav tsum tau siv dav hauv kev siv tshuab, peev casting tuaj yeem tsim nyob ze ntawm cov khoom sib txuas uas feem ntau xav tau me ntsis kom tsis muaj qhov kawg. Qhov no ua rau nws qhov kev xaiv zoo tshaj plaws rau kev lag luam xws li aerospace thiab cov cuab yeej kho mob mus rau tsheb thiab kev tiv thaiv.
Cov txheej txheem pib nrog tus qauv siv quav ciab uas yog ib qho piv txwv ntawm qhov xav tau. Ntau cov qauv siv quav ciab feem ntau txuas nrog lub hauv paus wax khiav los tsim ib tsob ntoo sib dhos, tso cai rau ntau qhov chaw pov rau hauv ib lub ncuav. Cov ntoo siv quav ciab no rov qab mus rau hauv cov nplais pobzeb thiab coated nrog cov xuab zeb zoo los yog stucco los tsim lub plhaub tuab tuab nyob ib ncig ntawm cov quav ciab. Thaum lub plhaub yog qhuav thiab hardened, lub rooj sib txoos yog rhuab nyob rau hauv ib lub qhov cub. Thaum tshav kub kub melts tawm cov quav ciab, tawm hauv ib tug hollow ceramic pwm nrog ib tug meej kab noj hniav. Cov kauj ruam no yog vim li cas cov txheej txheem hu ua poob ciab casting. Cov pwm ceramic yog tom qab ntawd raug rho tawm haujlwm ntawm qhov kub thiab txias kom tshem tawm cov wax residual thiab ntxiv dag zog rau lub plhaub. Molten hlau yog poured rau hauv preheated ceramic pwm, sau txhua yam me me ntawm kab noj hniav. Tom qab cov hlau txias thiab solidifies, lub plhaub ceramic yog tawg tawm thiab cov cam khwb cia qhov chaw raug txiav los ntawm lub tshuab khiav. Kev ua haujlwm tsawg kawg nkaus, xws li txiav cov rooj vag lossis lub teeb polishing, ua tiav txoj haujlwm.
Qhov txiaj ntsig tseem ceeb ntawm kev nqis peev casting yog nws lub peev xwm los tsim cov duab nyuaj uas yuav ua tsis tau lossis txwv tsis pub kim rau tshuab los ntawm cov khoom lag luam. Cov phab ntsa nyias, sab hauv, cov ntawv hauv qab, thiab cov ntawv sau zoo tuaj yeem ua tiav nrog kev rov ua haujlwm siab. Dimensional tolerances nruj li ntxiv los yog rho tawm 0.005 ntiv tes ib nti yog qhov ntau, thiab cov khoom tiav tuaj yeem ncav cuag 125 microinches lossis zoo dua. Tsis tas li ntawd, peev casting ua haujlwm nrog txhua yam castable alloy, xws li stainless hlau, carbon steel, aluminium, bronze, thiab superalloys zoo li Inconel.
Yog tias koj qhov project cuam tshuam nrog cov khoom muaj txiaj ntsig zoo, kev ua siab ntev, lossis cov geometry nyuaj uas xav tau qhov tseeb, peev casting yog qhov kev daws teeb meem zoo tshaj plaws. Thaum cov cuab yeej siv tau siab dua cov xuab zeb casting, kev txuag hauv machining thiab seem feem ntau ua rau nws qhov kev xaiv pheej yig tshaj plaws rau cov khoom sib txawv hauv nruab nrab mus rau qhov ntim siab.
