Kev tshuaj xyuas cov ntaub ntawv pov thawj

Cov xim ntawm cov ntaub yog qhov qub, thiab qhov chaw tsis muaj oxidation tshwm sim xws li stains, overflowing kua nplaum, burrs, sib tov, creases, thiab lwm yam, thiab tsis muaj kev cuam tshuam loj thiab deformation.

Thaum cov nplaum yog tev tawm, nws yooj yim rau tev tawm, thiab yuav tsum tsis txhob tawg ntawm daim ntawv rov qab;

Lub qhov ntawm qhov gluing nto yuav tsum tsis txhob ntau tshaj 1 mm.

Txuas lub xeev

Qhov sib txawv yuav tsum tsis txhob ntau tshaj 1 hli;

Thaum cov kua nplaum nto yog sib txuas, nws tsis tuaj yeem degummed;

lwm yam

Cov ntug roj hmab yuav tsum tsis txhob nqa los yog tev tawm;

Qhov sib txawv ntawm cov khaubncaws sab nraud povtseg yuav tsum tsis txhob loj dhau;

Tsis muaj lwm yam teeb meem uas tiv thaiv kev siv;