Sandpaper grit thiab roughness sib piv lub rooj
Sandpaper yog cov khoom siv tawv tawv, feem ntau yog siv rau polishing thiab sib tsoo ntau yam khoom.
Lub grit ntawm sandpaper yog ncaj qha ntsig txog qhov roughness.
Qhov siab dua qhov grit, qhov me dua qhov roughness ntawm cov ntawv xuab zeb.
Hauv qab no yog cov lus sib piv ntawm cov ntawv xuab zeb grit thiab roughness:
| Grit Qib Roughness | ||
| 36#-40# | ntxhib heev | Rough |
| 60#-100# | Coarse txheeb ze | ntxhib |
| 120#-150# | Nruab nrab | Nruab nrab roughness |
| 180#-220# | Zoo | Me ntsis ntxhib |
| 240#-320# | Zoo heev | du |
| 400#-600# | Ntxiv nplua | Smoo dua |
| 800#-1000# | Zoo heev | Smoo dua |
Cov saum toj no yog cov lus sib piv ntawm cov ntawv xuab zeb grit thiab roughness.
Qhov siab dua qhov grit, qhov me dua qhov roughness ntawm cov ntawv xuab zeb. Hauv kev siv tiag tiag, cov ntawv xuab zeb ntawm cov grits sib txawv yuav tsum raug xaiv raws li qhov xwm txheej ntawm cov khoom yuav tsum tau ua thiab ua kom tiav qhov smoothness.
Hauv kev lag luam woodworking, cov ntawv xuab zeb nrog cov mesh suav ntawm P120 txog P150 feem ntau yog siv los zom cov ntoo saum npoo kom ua tiav qhov nruab nrab roughness, uas tuaj yeem tshem tawm cov burrs thiab dents ntawm qhov chaw thiab ua kom lub ntsej muag du.
Hauv kev lag luam tsheb, cov ntawv xuab zeb nrog cov mesh suav ntawm P240 txog P320 feem ntau yog siv los txhuam lub cev nto kom ua tiav qhov roughness zoo, ua rau saum npoo smoother thiab ruaj khov dua.
Hauv luv luv, xaiv cov ntawv xuab zeb zoo yog tus yuam sij kom ua tiav cov nyhuv polishing zoo. Los ntawm kev nkag siab txog cov lus sib piv ntawm cov ntawv xuab zeb mesh suav thiab roughness, koj tuaj yeem xaiv cov ntawv xuab zeb zoo dua uas haum rau koj cov kev xav tau, thiaj li ua tiav cov nyhuv polishing zoo dua.
