Kev sib tw thiab tsim cov qauv kos duab yog xav tau rau kev yooj yim ntawm kev saib thiab nyeem lawv. Txhua qhov haujlwm yuav tsum tau kos raws li cov kev xav tau uas tau teev tseg hauv kev sib koom ua ke rau cov qauv ntaub ntawv. Lub thav duab rau daim duab tuaj yeem rub tawm los npaj hauv Is Taws Nem, yog tias ua tau, lossis koj tuaj yeem kos koj tus kheej.
Tsim nyog
- - ntawv;
- - cwj mem qhuav ntawm qhov sib txawv hardness;
- - tus pas ntsuas;
- - khoos phis tawj.
Cov Lus Qhia
Kauj ruam 1
Txiav txim siab hom ntawv uas koj npaj siab yuav ua daim duab. Raws li txoj cai, A4, A3, A2 thiab A1 hom tau siv rau hauv cov duab kos duab, engineering duab lossis hauv cov chaw ua haujlwm. Kuj tseem muaj cov qauv tsis yog-hom, tshwj xeeb A4x3, nrog qhov loj me sib npaug los ntawm peb A4 hom ntawv, uas tau muab teev cia.
Kauj ruam 2
Tso cov ntawv kab rov tav, i.e. hauv kev teeb tsa toj roob hauv pes. Yog tias thav duab xav tau ua rau ntawm daim ntawv A4, tom qab ntawd tso nws ntsug.
Kauj ruam 3
Kos tus ciam teb ntawm tus ncej nrog xaum. Txhawm rau ua qhov no, nqis rov qab los ntawm kab ntawv sab laug 20 hli, los ntawm sab xis, sab saum toj, hauv qab 5 hli, raws li cov kab no kos plaub kab. Kos cov kab tseem ceeb ntawm ncej nrog cov kab khoom. Hauv qee qhov chaw, tuab ntawm cov kab ntawm tus ncej yuav me dua qhov tuab ntawm cov kab hauv daim duab tseem ceeb. Yog tias koj kos cov ncej siv computer, teeb txoj kab tuab programmatically. Hauv qhov no, cov kab ntawm lub thav duab yuav tshwm sim hauv cov xim uas raug xaiv.
Kauj ruam 4
Thaum kos duab thav duab, siv tus xaum ntawv thiab ntawv, ua qhov xaiv txoj xaum. Rau daim duab, nqa ob peb xaum nrog nyias hardness. Ib txoj kab kos nrog xaum nrog cov ntsej muag muag heev yuav saib zoo dua, tab sis nws yuav smudge yooj yim thaum kov. Tus xaum ntawv nrog tus txhuam nyuaj heev yuav txiav cov ntawv. Yog li, xaiv qhov chaw nruab nrab - xaum qhuav nrog cov tawv muag lossis tawv muag. Cov tsiaj ntawv M thiab TM (mos los yog tawv-tawv) yog sau rau ntawm cov cwj mem qhuav hauv tsev, thiab ntawm cov neeg sib txawv txawv yuav muaj cov tsiaj ntawv Latin B thiab HB, feem. Tsis tas li ntawd, saib xyuas qhov tseeb ntawm cov xaum qhuav.
Kauj ruam 5
Kos lub cim yooj yim. Nws zoo li lub rooj me me nyob hauv kaum tsev qis dua ntawm sab xis ntawm daim ntawv. Cov qhov loj me ntawm cov ntawv tseem ceeb yuav tsum yog 185x55 mm thiab muaj ob peb kab nrog kos npe. Thaum kos duab, tau taw qhia los ntawm GOST 2.104-68, uas qhia qhov ntev sib npaug ntawm txhua kem.
Kauj Ruam 6
Kos duab ntau cov duab sib ntxiv rau ntawm daim duab ntawm tus ncej. Muab ib qho ntawm cov plaub ntawm sab sauv sab sauv ntawm daim ntawv. Kab ntawv no theej tawm ntawm cov qauv ntaub ntawv, uas tau qhia hauv npe thaiv thiab tig 180 °. Lub qhov ntev ntawm kem no yog 70x14 hli. Ua ke sab laug ntawm nplooj ntawv, khij kab ntawv uas cov tub ceev xwm cov ntaub ntawv pov thawj yuav ua.
Kauj Ruam 7
Sau rau lub npe thaiv nrog cov ntaub ntawv uas koj paub txog qhov project. Qhov no tuaj yeem yog: cov ntaub ntawv tsim qauv, cov npe khoom lag luam, tus naj npawb ntawm cov nplooj ntawv, nplai, lub npe ntawm tus tsim khoom, tus neeg kuaj xyuas thiab lwm yam. Tag nrho cov ntawv sau no yuav tsum tau ua rau hauv daim qauv kos duab raws li GOST 2.304-81. Yog tias koj tab tom kos cov ncej ntawm lub koos pij tawj, tom qab ntawd hloov daim font hauv qhov program program.
