Kev tsim kho rau kev ntxig tshuab yog ib qho theem kev siv tshuab uas muaj feem ntau rau kev tsim kho cov tshuab uas pib los ntawm duab ntaub hlua rau cov ntaub ntawv tshiab. Qhov kev tsim no xav tau kev paub meej meej txog kev nyob, kev sib dhos thiab kev tshawb fawb tshuab uas raug siv hauv kev tsim kho ntau. Cov ntaub ntawv tseem ceeb yuav tsum xav txog qhov chav ntxig zoo tshaj plaws— ob lub chav rau kev ua haujlwm, peb lub chav rau kev faus tawm cov ntaub hlua ntxig, lossis chav ntxig rooj rau kev ntxig ntau dua. Kev xaiv qhov chav ntxig yog ib qhov tseem ceeb heev, nws txiav txim siab txog yam ntaub ntawv thiab kev ua haujlwm ntawm chav ntxig. Kev tsim kho cov chav thiab core yuav tsum xav txog kev hloov pauv ntawm ntaub ntawv, suav nrog cov lej tseem ceeb kom tau txais qhov ntaub ntawv tshiab. Kev tsim kho cov tshuab ntxig kauj ruam (naturally balanced lossis geometrically balanced), xaiv hom ntxig (edge, submarine, fan, lossis diaphragm), thiab kev tsim kho sprue, thiab kev xaiv ntawm cold runner thiab hot runner systems muaj kev txiav txim siab loj rau kev siv ntaub ntawv thiab sijhawm ntxig. Kev tsim kho cov chav sov dej siv cov rooj kawg uas muaj kev txaus siab los tshem tsov tso tseg, tiv thaiv kev hloov form thiab kom sijhawm ntxig lwm. Kev tsim kho cov tshuab tshem tsov tseg kom tshem tsov tseg tau zoo los ntawm cov rooj tshem, sleeves, blades, lossis stripper plates uas muaj kev txaus siab los tshem tsov tseg tsis txhob tshem tsov tseg. Cov ntaub ntawv muaj form phem tshaj xoom xav tau cov tshuab ntxiv xws li lifters rau cov ntaub ntawv hloov, sliders rau cov ntaub ntawv sab, thiab unscrewing devices rau cov ntaub ntawv muaj rooj zaum. Kev tsim kho cov chav ntxig tsov tseg tiv thaiv kev tso tseg tso tseg uas tuaj yeem tshem tsov tseg lossis short shots, thaum lub system alignment tshuab kom muaj kev txaus siab hauv txhua qhov kev ntxig. Lub chav ntxig tshiab siv cov software simulation advanced los pom qhov kev ntxig, kev sov tso tseg, thiab kev tshaig siab, kom ua tiav ua ntej khiav tshuab. Lub chav ntxig tshiab yog ib qhov kev thaub siab ntawm kev ua haujlwm, kev tsim kho, kev daws teeb meem, thiab kev xav txog hauv kev kawm, kom muaj kev tsim kho zoo tshaj plaws.