1. Npaj cov cuab yeej thiab cov khoom siv:
- Ib daim ntawm cov ntawv xuab zeb zoo rau kev xuab zeb ua ntej;
- Ib daim ntaub zoo abrasive rau kev sib tsoo zoo;
- Ib daim ntaub mos rau so;
- Sib tsoo cov cuab yeej (xws li phau ntawv los yog txhua yam).
2. Ntxuav lub hnab:
Ua ntej xuab zeb, so lub hnab ntim nrog ib daim ntaub mos kom tshem tawm cov plua plav thiab impurities.
3. Kev sib tsoo ua ntej:
Cov ntawv xuab zeb zoo yog tsau rau cov cuab yeej sanding thiab thawj zaug sanding yog ua tiav nrog lub zog nruab nrab. Ceev faj kom sib npaug ntawm cov ntawv xuab zeb mus rau qhov chaw ntawm lub hnab kom tsis txhob hnav tsis sib xws. Ib qhov chaw tsis pom kev tuaj yeem raug xaiv rau qhov kev sib tsoo ua ntej los txiav txim siab lub zog thiab cov nyhuv siv.
4. Kev sib tsoo zoo:
Cov ntaub zoo abrasive yog tsau rau ntawm cov cuab yeej sib tsoo thiab polished nrog lub zog nruab nrab. Fine abrasive daim ntaub yog softer dua zoo sandpaper thiab yuav ua tau zoo dua du nto ntawm lub hnab. Kuj ua tib zoo saib kom sib npaug ntawm daim ntaub emery ntawm qhov chaw ntawm lub hnab kom tsis txhob hnav tsis sib xws.
5. Tshawb xyuas thiab kho:
Tom qab sib tsoo, ua tib zoo xyuas seb qhov saum npoo ntawm lub hnab yog du thiab du. Yog tias pom tias muaj hnav, nws tuaj yeem polished dua kom txog thaum nws txaus siab.
6. So kom huv:
So ntawm lub hnab nrog ib daim ntaub huv si kom tshem tawm cov plua plav thiab cov khoom seem. Nws tuaj yeem maj mam muab so kom lub hnab kom huv thiab ci dua.
7. Ceev faj:
- Thaum lub sij hawm kev sib tsoo, cov kev tswj xyuas yuav tsum ruaj khov kom tsis txhob hnav tsis sib xws.
- Siv lub zog me me rau kev xuab zeb, lub zog ntau dhau yuav ua rau tawg.
- Ntau cov xuab zeb maj mam siv tau thaum lub sij hawm sanding, es tsis yog ib qho muaj zog sanding. Qhov no tso cai rau kev tswj kom zoo dua ntawm kev hnav thiab tsim kua muag.
- Tiv thaiv koj txhais tes kom tsis txhob raug mob.