Sandpaper Ntev npaum li cas?

Kev pab lub neej ntawmntawv xuab zebNws txawv ntawm qhov zoo thiab kev siv thiab feem ntau yog nyob ntawm yam xws li hom xuab zeb, ntom, hardness, thiab nplaum. Nov yog qee hom ntawv sandpaper thiab lawv qhov kwv yees lifespans:

 

1. Cov ntawv xuab zeb nrog cov tawv tawv thiab roughness: xws li P24-P40, vim nws hnav nrawm, nws feem ntau siv los tshem tawm cov khoom siv ntoo, thiab feem ntau tsuas yog yuav tsum tau hloov ib zaug lossis ob peb zaug.

 

2. Cov ntawv xuab zeb nrog cov tawv tawv thiab roughness: xws li P60-P100, tuaj yeem siv los txhuam cov ntoo ua haujlwm nrog qhov nruab nrab roughness, feem ntau yog li ntawm 3-5 zaug.

 

3. Sandpaper uas tsis tshua muaj hardness thiab nplua grit: xws li P120 thiab saum toj no, tuaj yeem siv los txhuam cov npoo du, xws li cov xim pleev xim. Cov ntawv xuab zeb no yog qhov ruaj thiab siv tau ntau zaus.

Tau kawg, lub neej kev pabcuam tseem yuav cuam tshuam los ntawm cov hauv qab no:

 

1. Hom khoom siv: Cov ntaub ntawv sib txawv yuav xav tau kev siv cov ntawv xuab zeb nrog qhov sib txawv ntawm qhov sib txawv thiab qhov nyuaj, uas yuav cuam tshuam rau kev ua haujlwm ntawm cov ntawv xuab zeb.

 

2. Lub zog thiab lub kaum sab xis ntawm daim ntawv thov: Kev siv lub zog ntau dhau los yog lub kaum sab xis tsis zoo yuav ua rau kom hnav cov ntawv xuab zeb.

 

3. Ntxuav cov ntawv xuab zeb ua ntej thiab tom qab siv: Kev ntxuav cov ntawv xuab zeb tuaj yeem ua kom nws lub neej ua haujlwm ntev, thiab sim tsis txhob siv cov ntawv xuab zeb nrog cov plua plav thiab cov ntoo chips txuas rau nws.

Hauv cov ntsiab lus, lub neej ntawm cov ntawv xuab zeb sib txawv raws li ntau yam. Thaum siv, nws yog ib qho tsim nyog xaiv cov ntawv xuab zeb uas tsim nyog raws li qhov xwm txheej tshwj xeeb thiab siv thiab tswj cov ntawv xuab zeb kom raug kom nws lub neej ntev thiab tau txais txiaj ntsig zoo dua.