Hlau casting yog yaj cov hlau mus rau hauv cov kua, thiab ces ncuav cov kua hlau rau hauv lub pre-npaj pwm kab noj hniav. Tom qab txias thiab solidification, lub casting nrog cov duab tshwj xeeb thiab loj tuaj yeem tau txais, xws li txhuas casting.
Raws li qee qhov zoo ntawm cov hlau casting, peb yuav tsum tau them sai sai rau cov ntsiab lus hauv qab no thaum tsim cov txheej txheem pouring: lub pouring ceev ntawm hlau yog siab, uas yog hais txog 20% siab tshaj ntawm cov xuab zeb pwm. Qhov thib ob, thaum lub sij hawm ua kua hlau filling, cov pa roj hauv cov kab noj hniav yuav tsum tau tawm kom zoo. Nws cov kev taw qhia ntws yuav tsum zoo ib yam li cov kua dej kom deb li deb tau, thiab cov pa roj yuav tsum raug thawb kom du mus rau lub riser lossis roj qhov hluav taws xob riser; Tsis tas li ntawd, nws yuav tsum tau muab sau tseg tias cov kua hlau ntws ruaj khov thaum lub sij hawm pwm filling, yuav tsis ua rau swirling ntws, yuav tsis cuam tshuam rau pwm phab ntsa los yog core, thiab yuav tsis ua rau splashing.
Hlau pouring tshuab feem ntau muab faib ua sab saum toj txhaj, hauv qab txhaj tshuaj thiab sab txhaj tshuaj.
Rau cov kev txhaj tshuaj sab saum toj, nws cov cua sov faib yog tsim nyog, uas yog qhov tsim nyog rau kev sib txuas ua ke thiab tuaj yeem txo qis kev noj cov kua hlau. Txawm li cas los xij, cov dej ntws ntawm cov kua hlau tsis ruaj khov thiab yooj yim rau kev nkag mus rau txoj kev. Thaum lub casting yog siab, nws yog ib qho yooj yim rau cuam tshuam cov roj hmab puag los yog core. Yog tias nws yog siv rau casting aluminium alloy qhov chaw, nws tsuas yog siv tau rau qhov yooj yim nrog qhov siab ntawm qhov tsis ntau tshaj 100 hli.
