Chav da dej yog chav da dej sib txawv. Cov tsev neeg niaj hnub muaj cov txheej txheem siab dua thiab siab dua rau cov chav dej hauv chav dej. Ntau tsev neeg xav tau chav dej sib cais. Txawm li cas los xij, vim muaj qee qhov chaw dej tsawg hauv chav pw, cov chaw da dej thiab cov khoom ntxuav tu tau tsuas yog tso rau hauv ib qho chaw xwb. Chav dej da dej ua kom siv tag nrho ntawm ib ces kaum qhov chaw no, thiab chav dej da dej tau muab faib kom meej meej nrog qhov tsim nyog tsim los ua qhov chaw da dej ywj pheej. Cov chav da dej feem ntau yog tsim los ntawm iav, hlau ncej daim ntawv qhia kev sib dhos, cov khoom siv sib txuas, dej nres tuav, thiab lwm yam Yog li, yam twg yuav tsum tau them sai sai thaum xaiv chav da dej iav?
Thaum peb mus khoom ntawm qhov chaw, peb tsuas yog saib raws li peb yam hauv qab no kom paub qhov txawv ntawm cov qhabnias.
1) Saib ntawm 3C logo: 3C logo yog ncaj qha rau daim iav thaum lub sijhawm kev tsim khoom. Feem ntau, cov ntsia hlau thiab riam tsis tuaj yeem muab txav. Qhov 3C cim yog kev lees paub qhov kev lees paub cov khoom pov thawj zoo hauv kuv lub teb chaws. Raws li nqe lus &; Kev Tshawb Fawb Kev Nyab Xeeb Kev Nyab Xeeb Cov Chaw Tswj Xyuas" Lub logo 3C yuav tsum muaj rau ntawm lub khob, tsis yog ntawm daim ntawv lo, thiab yuav tsum muaj cov lej teeb meem ntawm Hoobkas txheej hauv qab.
2) Saib seb nws puas tau pob tshab: Saib yog iav yog pob tshab thiab yog muaj impurities thiab npuas. Vim tias lub cev tsis xws luag hauv cov txheej txheem lossis cov khoom siv, yuav tsum muaj qhov tsis xws li no tas mus li. Tsis tas li ntawd, xyuam xim rau seb puas muaj cov chamfer ntawm lub khob tau tiaj thiab seb puas muaj lub ntsej muag puas.
3) Saib cov tawg ntho ntawm cov iav tempered.
Ntxiv rau, them sai sai rau cov tuab ntawm lub iav thaum nriav chav da dej. Cov duab tuab tshaj plaws yog 6mm, 8mm, thiab 10mm. Feem ntau, chav da dej tso ncaj kab xaiv tuaj yeem xaiv 8 hli lossis 10 hli tshwj xeeb tau teev, thiab lub khob iav ntom nti muaj peev xwm xaiv tau 8 hli kev cai. Feem ntau hais lus, 6-8 hli tempered iav yog qhov tsim nyog tshaj plaws. Cov iav tawg-pov thawj tau lo nrog txheej txheej kua nplaum ntawm ob txheej txheej ntawm iav, thiab yuav tsis muaj tawg tawg tom qab tawg. Txawm li cas los xij, tempered iav tsis muaj qhov haujlwm no. Raws li cov cai, tus nqi ntawm cov iav tempered rau 50 * 50mm thaj tsam yuav tsum ntau tshaj 40 daim. Ib nrab-nkhaus iav nto feem ntau xaiv 6 hli loj rau rooj txav tau iav, uas yog ntau haum thiab muaj kev ruaj ntseg zoo dua. Lub iav hnyav dua, ntau dua tus nqi, thiab cov nqi yuav tsum ntau dua rau cov hauv paus.
