Uniform Ntsa Thickness

Tuab siv sijhawm ntev dua txias dua cov khoom nyias. Thaum cov txheej txheem ua kom txias, yog cov phab ntsa yog ib qho tsis sib xws, cov phab ntsa thiav yuav txias ua ntej thaum cov phab ntsa tseem tawv. Raws li qhov seem ntws txias, nws shrinks nyob ib ncig ntawm cov khoom seem thinner. Qhov no ua rau muaj kev kub ntxhov, sib ntswg los yog tawg mus rau qhov twg ntawm ob seem ntu. Kom tsis txhob muaj qhov teeb meem no, sim tsim cov qauv ntsa kom zoo li niaj hnub. Thaum cov phab ntsa tsis tsim nyog, ces qhov kev hloov hauv thickness yuav tsum yog raws li cov lus sib dhos. Phab ntsa thickness variations yuav tsum tsis txhob muaj ntau tshaj 10% hauv cov ntshav pwm pliav plawv. Kev hloov ua kom yuag ntev yuav tsum maj mam, raws li cov kev txiav txim ntawm 3 mus rau 1. Qhov kev hloov maj mam hloov tshem tawm cov kev nyuab siab thiab kev kub ntxhov txias.