Dab tsi tsis yog daim ntawv ua: nkoj, tsheb, paj, neeg, nyiaj kub, thiab ntau yam tsiaj thiab noog. Ntxiv mus, nrog kev xaiv qhov tseeb ntawm cov xim ntawm daim ntawv siv, ib qho khoom lag luam, piv txwv li, lub npov ntawv, tig tawm kom muaj kev ntseeg tau zoo txawm tias menyuam yaus tseem tuaj yeem yooj yim pom ib tug os lossis lwm tus yam ntxwv hauv nws.
Nws yog qhov tsim nyog
- - square ntawv ntawm daim ntawv;
- - txiab;
- - PVA kua nplaum.
Cov Lus Qhia
Kauj ruam 1
Muab tais ua ntawv xwm fab xwm yeem thiab nthuav nws. Tom qab ntawv tig daim ntawv no mus rau sab nraub qaum, ntxiv mus, kom tus cim kab pheeb ces kaum yog kab rov tav.
Kauj ruam 2
Muab cov ntawv saum toj thiab hauv qab ntawm cov qauv nkag sab hauv (lawv yuav tsum tau qhia rau txoj kab ntawm kab pheeb ces, tab sis yuav tsum muaj qhov sib txawv me me ntawm cov npoo no.
Kauj ruam 3
Quav qhov ntev, thiab ntse npoo sab hauv (nws yuav tsum protrude tsuas yog me ntsis dhau ntawm khoov daim ntawv khoov sab). Ua qhov quav no maj mam muag. Tom qab ntawd pom qhov nruab nrab ntawm cov khoov ntawm lub ntsej muag ntse, ua daim ntaub mos muag hauv txoj kab nruab nrab thiab khawm nws hauv txoj kev rov qab.
Kauj ruam 4
Tig lub workpiece tshaj thiab quav nws hauv ib nrab. Tom qab ntawd, nrog ib txhais tes, tuav qis ntawm seem ntawm tus os, thiab nrog rau lwm yam, me ntsis rub lub taub hau ntawm qhov cuav tawm (ib caj dab yuav tsum tshwm sim). Tom qab ntawd, me ntsis rub lub nqaj ntawm cov os, qhov txiaj ntsig ntawm qhov uas koj tau txais lub quav tshiab: swb rau nws.
Kauj ruam 5
Kho qhov chaw ntawm qhov quav ntawm tus Tsov tus tw lub cev: qhov no yuav ua rau cov paj ntaub ruaj khov thiab cov qauv sib npaug.