Peb tau muab cov khoom ntim tshuab rau ntau xyoo. Cov neeg siv khoom feem ntau nug peb txog qhov sib txawv ntawm cov qauv thiab kev cai cov hniav. Niaj hnub no, peb yuav qhia meej lawv qhov sib txawv tseem ceeb los pab koj xaiv thiab yuav cov khoom tsim nyog tau yooj yim.
Txheem ntim tshuab hniav yog cov khoom lag luam uas siv dav hauv kev lag luam, sib xws nrog cov khoom ntim khoom siv feem ntau. Cov kev qhia tshwj xeeb xws li cov hniav ncaj, cov hniav puag ncig thiab cov hniav serrated yog txhua yam muaj thiab txhawb nqa ntau lawm. Lawv muaj cov nqi ua tau zoo, cov khoom muag txaus thiab xa khoom sai, yooj yim tuav cov haujlwm yooj yim xws li thawv slitting thiab zaj duab xis splitting. Hnav- tiv taus thiab ruaj khov, lawv ua tau raws li kev ua haujlwm ntim khoom txhua hnub, tseem poob qis thaum txiav cov khoom tshwj xeeb lossis cov duab tsis zoo.
Kev cai ntim tshuab cov hniav yog cov kws txiav- cov khoom tsim los rau cov txheej txheem tshwj xeeb uas cov hniav txheem tsis tuaj yeem ua tau. Lawv yog qhov tseem ceeb rau kev xav tau kev ua haujlwm xws li kev txiav cov yas tuab tuab tuab rau cov khoom siv siab -kawg cov tshuaj pleev ib ce, cov khoom siv tshuaj pleev ib ce, lub log trimming, thiab cov hniav tshwj xeeb rau cov tshuab filling. Hardness, sharpness, txiav cov ces kaum thiab meej qhov ntev tuaj yeem kho raws li qhov yuav tsum tau ua, xa cov chaw txiav du thiab txo cov khoom puas thiab pov tseg.
Nws muaj qhov sib txawv ntawm cov txheej txheem tsim khoom ntawm ob: cov txheej txheem yog cov khoom loj- tsim nrog cov txheej txheem txheej txheem ntawm tus nqi qis thiab nrog lub sijhawm ua haujlwm ceev; kev cai hniav yog ib tus zuj zus tsim raws li cov ntaub ntawv txiav, kev khiav hauj lwm speeds thiab seem precision, manufactured nrog precision sib tsoo thiab kev kho cua sov txheej txheem, ua rau ntev lawm cycles thiab ntau dua cov khoom thiab cov txheej txheem nqi.
Lawv kuj yog ib qho yooj yim kom paub qhov txawv ntawm kev xaiv cov khoom: cov tuam txhab uas muaj cov kev xav tau ntim txhua hnub thiab cov khoom loj - cov khoom xav tau yuav tsum ua qhov tseem ceeb rau cov qauv siv rau kev txuag nqi thiab yooj yim. Cov neeg nrhiav kev siab -txiav txiav lossis tuav cov khoom tshwj xeeb thiab ntim tsis tu ncua yuav tsum tau kho cov hniav tshwj xeeb. Txawm hais tias lawv cov nqi tsev siab dua, lawv txhawb kev tsim khoom thiab txo tus nqi tsis raug, muab tus nqi zoo dua hauv kev siv sijhawm ntev -.
Peb khaws tag nrho cov txheej txheem ntim tshuab cov hniav hauv Tshuag, sib xws nrog cov khoom siv tseem ceeb hauv kev ua lag luam. Peb kuj muab cov kev daws teeb meem tshwj xeeb rau cov hniav tshwj xeeb uas npog cov cuab yeej txiav siab hauv cov tshuaj txhua hnub, tshuaj, nws pib qhov chaw, txhaws thiab lwm yam lag luam.
Xaiv cov hniav raws li qhov xav tau ntawm kev tsim khoom tiag tiag thiab kev siv nyiaj txiag ua kom cov kev xaiv tsim nyog thiab siv tau. Xav tias dawb hu rau peb rau cov lus nug xaiv, hais lus lossis kev thov rau kev hloov kho, thiab peb cov kws tshaj lij yuav phim koj nrog cov khoom tsim nyog.
