Peb faib cov kev ua haujlwm rau cov theem plaub nram qab no:
Ua ntej, thawj lub qhov
Rau cov khoom ntim, cov hlua, thiab cov hlua txuas, thiab lwm yam., Qhov chaw ua haujlwm tom qab yuav tsum tau ua thawj zaug. Nyob rau hauv no txoj kev, cov machined qhov yuav tau positioned nyob rau hauv ib lub dav hlau los xyuas kom meej qhov tseeb ntawm lub chaw ntawm lub dav hlau thiab lub qhov, thiab kev ua ntawm lub qhov nyob rau hauv lub dav hlau yuav facilitated.
Thib ob, thawj zaug ua haujlwm dav hlau
Thaum ua cov khoom, qhov chaw ntim raws li qhov kev siv rau qhov yuav tsum tau ua tiav ua ntej thiaj li muab tus nqi nplua rau kev ua cov txheej txheem tom ntej kom sai li sai tau. Hu ua "qauv ua ntej."
Thib peb, txoj kev ua tiav
Qhov kawg ntawm lub ntsiab ntom (xws li sib tsoo, honing, fine sib tsoo, dov, thiab lwm yam) yuav tsum tau nqa tawm hauv theem kawg ntawm txoj kev taug txoj kev. Qhov fim tiav tom qab ua yog Ra 0.9um los yog ntau dua, thiab muaj me me kev sib tsoo yuav ua kom puas rau hauv Nyiv. Nyob rau hauv lub tebchaws xws li lub teb chaws Yelemes thiab lub teb chaws Yelemes, lawv yuav tsum muaj kev tiv thaiv nrog flannel tom qab xov, thiab lawv tsis muaj cai kov cov workpieces nrog tes los yog lwm yam khoom, kom lub tiav lawm yuav tsis raug puas vim kev hloov thiab kev nruab nrab ntawm cov txheej txheem .
Qeb plaub, faib cov theem ua tiav
Cov sab nraud nrog kev ua raws li kev ua tau zoo yog muab faib ua peb theem: kev ntxhib, ua tiav thiab xov. Nws yog tsuas yog los xyuas kom meej ntawm kev ua tiav; nws yog ib qho zoo rau kev siv cov khoom siv; nws yog qhov yooj yim rau kev npaj rau kev ua kom sov tu; thiab nws yog qhov yooj yim mus nrhiav kev kho teeb meem.