Cov kev cai rau kev kho xuab zeb thaum lub sijhawm xuab zeb casting

Hauv cov txheej txheem xuab zeb casting, muaj qee qhov tseem ceeb uas yuav tsum tau ua rau kev tuav cov xuab zeb kom ntseeg tau tias tau txais cov xuab zeb zoo thiab cov castings. Nov yog qee qhov kev cai dav dav:

1. Xuab zeb qhuav: Cov xuab zeb yuav tsum qhuav thiab yuav tsum tsis txhob muaj dej noo. Xuab zeb ntub yuav ua rau muaj qhov tsis zoo ntawm qhov chaw ntawm qhov casting, thiab kuj tseem yuav ua rau muaj teeb meem xws li porosity thiab warping.

2. Xuab zeb huv: Xuab zeb yuav tsum tau ntxuav kom tshem tawm cov khoom tsis huv thiab cov organic. Cov khoom tsis huv thiab cov organic yuav muaj kev cuam tshuam tsis zoo rau qhov zoo ntawm kev casting thiab tej zaum yuav ua rau muaj qhov tsis zoo ntawm qhov chaw ntawm cov xuab zeb pwm.

3. Cov xuab zeb me me uas tsim nyog: cov xuab zeb me me yuav tsum ua tau raws li qhov yuav tsum tau ua kom ntseeg tau tias cov xuab zeb zoo thiab lub zog ntawm pwm. Cov xuab zeb me me uas ntxhib dhau lossis me dhau tuaj yeem muaj qhov tsis zoo rau kev pwm thiab kev nchuav.

4. Cov xuab zeb viscosity thiab plasticity zoo: cov xuab zeb viscosity thiab plasticity yog qhov tseem ceeb rau kev tsim cov xuab zeb ruaj khov. Cov khoom siv xuab zeb yuav tsum muaj kev sib txuas thiab plasticity kom zoo kom tswj tau cov duab thiab kev ruaj khov ntawm cov pwm xuab zeb.

5. Cov tshuaj ntxiv xuab zeb kom txaus: Raws li qhov xav tau tshwj xeeb rau kev ua casting, tej zaum yuav tsum ntxiv qee cov tshuaj pab rau hauv xuab zeb, xws li cov binders, plasticizers, pigments, thiab lwm yam. Cov hom thiab qhov ntau ntawm cov tshuaj ntxiv no yuav tsum tau hloov kho kom ua tau raws li qhov xav tau tshwj xeeb ntawm kev ua casting.

6. Kev tswj xyuas qhov zoo ntawm cov xuab zeb: Thaum yuav thiab siv cov xuab zeb, yuav tsum tau tswj xyuas qhov zoo thiab kev tshuaj xyuas. Xyuas kom tseeb tias qhov zoo ntawm cov xuab zeb yog raws li tus qauv thiab tsis siv cov xuab zeb uas puas lawm lossis muaj kuab paug.

7. Kev siv xuab zeb rov qab ua dua tshiab: Yog tias ua tau, yuav tsum tau ua kev siv xuab zeb rov qab ua dua tshiab thiab rov siv dua. Los ntawm kev kho thiab kev tshuaj xyuas kom zoo, cov xuab zeb pov tseg raug rov ua dua tshiab, txo cov nqi thiab cov khoom siv pov tseg.

Yuav tsum nco ntsoov tias cov kev cai tshwj xeeb rau kev siv xuab zeb yuav txawv nyob ntawm hom thiab cov khoom siv ntawm kev casting, txoj kev npaj thiab cov txheej txheem ntawm cov pwm xuab zeb. Yog li ntawd, hauv cov txheej txheem casting, yuav tsum ua raws li qhov xwm txheej tshwj xeeb kom ntseeg tau tias kev kho xuab zeb ua tau raws li qhov yuav tsum tau ua.