Txheej npaj txheej txheem rau precision casting.

Lub cev thiab tshuaj lom neeg lub zog ntawm silica sol feem ntau yog ua los ntawm: SIO2 cov ntsiab lus, ntom ntom, cov ntsiab lus Na2o, PH tus nqi, kinematic viscosity, colloidal particle inch, thiab lwm yam Cov ntsiab lus ntawm lub cev thiab tshuaj no cuam tshuam rau lub zog ntawm lub plhaub, qhov ruaj khov ntawm txheej thiab hmoov-rau-kua piv ntawm txheej.

Vim tias nws nyuaj rau precision ua tuam txhab lag luam kom paub txog cov kev siv lub cev thiab tshuaj lom neeg no, ntawm ib sab, nws yog qhov yuav tsum tau ntxiv dag zog rau kev xaiv, kev ntsuam xyuas thiab kev pom zoo ntawm cov neeg xa khoom. Ntawm qhov tod tes, cov kev qhia tshwj xeeb sib txawv ntawm silica sol yuav tsum raug siv rau txheej txheej sab hauv thiab sab nraud txheej. Xaiv S-830 silica sol thiab S-1430 silica sol rau txheej tom qab. Cov txheej txheem ntawm txheej txheej yuav ncaj qha cuam tshuam rau qhov zoo ntawm castings hauv precision casting, yog li qhia rau peb ua ntej nkag siab txog kev npaj ntawm txheej.

Rau kev npaj xim, silica sol ntxiv ntxiv ua ntej, tom qab ntawd tus neeg sawv cev ntub dej yog ntxiv rau qhov sib xyaw kom zoo, refractory hmoov ntxiv thaum ntxiv nplawm, thiab defoamer ntxiv thaum kawg. Txhawm rau kom ntseeg tau tias qhov zoo ntawm cov xim muaj hlau, thaum tag nrho cov pleev xim rau saum npoo yog cov ntaub ntawv tshiab, lub sijhawm nplawm yuav tsum ntev dua 24h ua ntej lawv siv. Yog tias qee qhov muaj cov khoom xyaw tshiab, lub sijhawm nplawm yuav luv rau 12h. Lub sijhawm sib xyaw ua ke ntawm kev hloov pauv thiab rov qab txheej txheej tuaj yeem ua kom tsawg dua li ntawm txheej txheej saum npoo. Thaum tag nrho cov kev pleev xim tshiab tau npaj, lub sij hawm nplawm ntev dua 10h, thiab thaum qee qhov tshiab pleev xim ntxiv, lub sij hawm nplawm yuav txo tau ib nrab. Yog tias cov xim pleev xim uas tsis tau siv, nws yuav tsum sib khi thiab sib khi los tiv thaiv dej evaporation.

Nws yog qhov zoo tshaj plaws kom tsis txhob muab cov xim pleev xim rau hauv lub plhaub ua haujlwm, tab sis kom teeb tsa cov khoom siv pleev xim tshwj xeeb.