Tsheb nres tshebHnav yog qhov tseem ceeb rau kev tsav tsheb. Hloov kho cov ntaub qhwv uas dhau los nres cov ntaub qhwv yuav ua rau tiv thaiv nres nres. Thickness yog tus taw qhia tseem ceeb rau kev txiav txim siab seb puas nres cov ntaub ntawv hloov. Cov tsheb thauj khoom tshiab nres feem ntau muaj qhov tuab ntawm 15-20 hli, nrog me ntsis sib txawv ntawm cov qauv. Thaum cov khoom sib txhuam hnav mus rau tsuas yog 3 hli, hloov yog qhov tseem ceeb. Qee cov ntaub ntawv nres muaj cov hlau ceeb toom hlau. Thaum hnav mus txog ib qho tseem ceeb tshaj plaws, cov phiaj los mus rau hauv kev sib cuag nrog tus nres disc, ua lub suab sib tsoo, sib tsoo. Txij ntawm no, qhov seem uas seem ntawm lub ncoo nres feem ntau tsawg dua 2 hli. Siv Vernier Caliper los ntsuas tsuas yog kev sib txhuam cov khoom siv xwb.
Tsis tas li ntawd, cov suab tsis txawv thiab xav tias yog cov cim ceeb toom tseem ceeb. Txawm hais tias cov tuab tuab tsis tau mus txog qhov tseem ceeb tshaj plaws, lub suab tsis nyiam, lossis cov brakes hnoos, lossis cov khoom muag muag tau qhia qhov tsis sib xws hnav lossis kev puas tsuaj sab hauv. Nres lub tsheb tam sim ntawd thiab tshuaj xyuas nws. Yog tias tsim nyog, mus saib cov khw uas kho kev tshaj lij kom muaj lub tsheb nres nres tiv thaiv siv cov khoom siv tshwj xeeb. Tsis txhob cia cov teeb meem me me ua rau muaj kev nyab xeeb kev nyab xeeb.
