Sandpaper yog hu ua "sandpaper" lossis "sandpaper".
Nws muaj ib daim ntawv lossis ntaub hauv paus coated nrog cov khoom siv abrasive.
Hauv kev tsim khoom ntsig txog kev ua cov ntoo, yas, hlau, iav, ntawv xuab zeb yog qhov tseem ceeb. Nws yog qhov tseem ceeb thaum tshem tawm cov xim qub, tsis muaj lwm txoj hauv kev rau nws yog tias koj xav tau npaj qhov chaw rau priming thiab pleev xim, thiab lwm yam.
Cov neeg Suav thaum ub nyob rau xyoo pua 13th tau siv cov hmoov txhuv nplej siab los ua cov nplaum rau cov noob cog, cov xuab zeb thiab cov plhaub ua kom zoo rau parchment.
iav ntawv yog suav tias yog cov qauv ntawm cov ntawv xuab zeb. cov iav me tshaj plaws tau siv los ua nws.
Nyob rau xyoo 1834, American engineer A. Fisher Jr. thawj patented tsim cov ntaub emery, qhov twg cov nplej abrasive twb silicon carbide thiab corundum.
Koj yuav tsum paub tias daim ntawv xuab zeb yog ib qho ntawm nws cov yam ntxwv tseem ceeb.
Conventionally, daim ntawv tau muab faib ua pawg: coarse-grained,Cov ntaub ntawv nruab nrab thiab zoo zoo.
Qhov luaj li cas txiav txim siab hom kev ua haujlwm rau cov ntawv xuab zeb npaj. Kev kos npe yuav pab koj xaiv nws.
Emery ua haujlwm ntawm kev ua haujlwm qhuav thiab ntub ntawm ntau qhov chaw puttied.
Rau ntau hom kev ua haujlwm, sib txawv nplej thiab cov ntawv xuab zeb hauv paus yog siv. Lub cim ntawm daim ntawv no yog qhov tshwj xeeb.
Sandpaper grit
| Kub GOST | New GOST |
| M40("zero") | P400 |
| M-50 | P320 |
| 5-H | P240 |
| 8-H | P180 |
| 10-H | P150 |
| 12-H | P120 |
| 16-H | P100 |
| 20-H | P80 |
| 32-H | P50 |
| 50-H | P36 |
| 63-N | P30 |
| 80-H | P24 |
| 100-N | R20 |
Н - kos npe ntawm cov khoom siv hauv tsev (qub).
P - daim ntawv lo ntawm cov khoom tuaj txawv teb chaws thiab daim ntawv lo tshiab ntawm cov khoom siv hauv tsev.
Cov neeg tsim khoom tsim cov khoom lag luam rau kev xa tawm siv tib lub ntiaj teb tus qauv rau kev xaiv cov nplej loj.
Nyob rau hauv qee lub xeev ntawm kev sib tsoo Union, ntawv xuab zeb, kos npe ntawm cov khoom tiav ntawm emery ntau lawm yog ua raws li GOST (qub).
Tib yam tshwm sim hauvCanada, Tuam Tshoj, Tebchaws Asmeskas thiab Nyij Pooj, qhov chaw lag luam hauv tsev siv nws tus kheej tsim.
European tus qauv (GOST tshiab) txhais tau tias muaj txiaj ntsig nce ntxiv raws li cov qoob loo loj zuj zus. Sandpaper yog cim txawv nyob rau hauv cov teb chaws saum toj no.
GOST, piv txwv li, yog tsim los ntawm txoj hauv kev uas ntawm no cov txiaj ntsig, ntawm qhov tsis sib xws, txo qis raws li cov nplej loj zuj zus.
Qhov sib txawv no tsis tuaj yeem tsis quav ntsej thaum yuav cov khoom siv tshuaj txhuam hauv thaj chaw ntawm cov tebchaws qub qub, vim tias qhov sib txawv no yuav ua rau cov khoom tsis raug yuav.
Nco ntsoov tias daim ntawv tuaj txawv teb chaws feem ntau muag hauv cov khoom, thaum cov ntawv hauv tsev yog muag hauv yob thiab muag los ntawm qhov ntsuas.
Yog tias daim ntawv siv hauv lub neej txhua hnub, tsis tas yuav tsum nco ntsoov lub cim. Koj tsuas yog yuav tsum paub tias daim npav qub tuaj nrog tsab ntawv H tom qab tus lej, thiab tus tshiab nrog tsab ntawv P ua ntej tus lej.
Muaj lwm cov cim nyob tom qab ntawm daim ntawv. Siv lawv, koj tuaj yeem tsim cov ntaub ntawv ntxiv txog cov ntawv xuab zeb: nws lub hauv paus, cov cuab yeej tsim khoom, hom abrasive, cov khoom siv nplej, hom binder, thiab lwm yam.
Tam sim no koj paub tias ntawv xuab zeb yog dab tsi. Kos npe? Koj tau txais nws txoj cai nrog nws thiab. Tseem xav kom sawv daws ua tau haujlwm zoo thiab muaj txiaj ntsig.
