(1) Lamination thiab suav nrog: Thaum ua tiav cov yeeb nkab xaus, cov neeg ua haujlwm yuav tsum ua tib zoo tshuaj xyuas cov yeeb nkab xaus rau txhua txoj kev lamination lossis suav nrog. Cov kav dej hlau tsis pub muaj lam ua lossis suav nrog cov yeeb nkab kawg lossis bevel nto nrog transverse qhov loj tshaj li 6.4mm. Rau cov yeeb nkab xaus nrog qhov tsis xws luag 6.4mm, kev txiav ntxiv tuaj yeem ua kom txog thaum tsis muaj lamination lossis xam tshaj 6.4mm tseem tshuav.
(2) Cov tawv tawv tawv: cov kav hlau tsis muaj qhov nyuaj tshaj 50 hli hauv txhua qhov kev taw qhia siab dua 35HRC (327HBW / 345HV10). Yog tias muaj, lawv yuav tsum tau muab tshem tawm.
(3) Bevel thiab lub ntsej muag thiab lub hauv paus ntawm cov neeg siv khoom, cov kav hlau loj dua 3.2 hli yuav tsum tau beveled ntawm lub kaum sab xis ntawm 35 ° rau 35 °; Lub hauv paus hauv lub hauv paus yuav tsum yog 1.6 ± {15}} Cov yeeb nkab kawg bevel yuav tsum tsis pub tshaj 1.6mm. Rau GB / T3091 cov khoom lag luam thiab SY / T5037 nrog lub strawb dex d ≥ 813mm, Bevel kev thev taus tuaj yeem so rau 3.0mm. Txhawm rau tshem tawm sab hauv burrs tshwm sim thaum kawg ua tiav kev ua tiav, kev chamfer sab hauv yuav tsum tsis pub tshaj 7 °, ntsuas los ntawm nruab nrab ntawm cov yeeb nkab steelline.
