Yuav Ua Li Cas Xaiv Txoj Cai Abrasive Sandpaper?
Hauv kev ua haujlwm sanding, xaiv txoj cai abrasives sandpaper yog ib kauj ruam tseem ceeb, uas cuam tshuam ncaj qha rau cov nyhuv sanding thiab kev ua haujlwm zoo. Lub thickness ntawm Velcro thiab PSA Abrasive sandpaper yog txiav txim los ntawm nws cov particle loj, uas feem ntau yog cim nyob rau hauv units ntawm "mesh tooj." Qhov loj mesh tus naj npawb, qhov zoo dua cov khoom abrasive ntawm daim ntawv xuab zeb, thiab qhov muag heev ntawm cov nyhuv polishing. Nov yog yuav ua li cas xaiv cov ntawv xuab zeb kom meej:
1. Nkag siab txog cov khoom siv: Ua ntej, koj yuav tsum paub meej cov khoom ntawm cov khoom siv polished, xws li hlau, ntoo, yas, thiab lwm yam. Txhua yam khoom muaj qhov sib txawv ntawm cov ntawv xuab zeb qhuav. Piv txwv li, cov hlau tawv yuav tsum tau xuab zeb pib nrog cov ntawv xuab zeb qis, thaum cov ntoo mos yuav pib nrog cov grit ntau dua.
2. Xav txog qhov ua tiav koj xav tau kom ua tiav: Yog tias koj xav tau xuab zeb ib yam khoom mus rau qhov chaw du heev, xws li thaum lub sijhawm kho tsheb xim, feem ntau koj yuav tsum tau siv cov ntawv xuab zeb tsis muaj dej nrog cov grit ntau dua, xws li 4000-grit. sandpaper los yog ultra-fine sandpaper. Yog tias koj tsuas yog yuav tsum tshem tawm qhov roughness ntawm qhov chaw, koj tuaj yeem xaiv cov ntawv xuab zeb nrog qis dua.
3. Txiav txim siab qhov kev sib tsoo: Cov txheej txheem sib tsoo feem ntau muab faib ua peb theem: sib tsoo sib tsoo, nruab nrab sib tsoo, thiab sib tsoo zoo. Hauv kev sib tsoo ntxhib, velcro abrasive sandpaper nrog qis mesh loj (xws li 40 mesh mus rau 80 mesh) feem ntau yog siv los tshem tawm qhov tsis zoo thiab burrs loj dua; nyob rau theem nrab sib tsoo, qhov nruab nrab-mesh loj (xws li 120 mesh rau 240 mesh) tuaj yeem siv los ua kom du nto; Kev sib tsoo zoo los yog polishing Nyob rau theem no, cov ntawv xuab zeb uas muaj tus lej siab mesh (xws li 320 mesh mus rau 600 mesh thiab saum toj no) yuav tsum tau siv kom ua tiav qhov du thiab muag heev.
4. Saib xyuas cov qhab nia sib tsoo: Hauv kev ua haujlwm tiag tiag, koj tuaj yeem txiav txim siab seb koj puas xav tau hloov cov ntawv xuab zeb nrog cov grit zoo dua los ntawm kev soj ntsuam cov qhab nia sib tsoo. Thaum cov ntaub ntawv xuab zeb qub yuav luag ploj mus, nws qhia tau hais tias qhov kev sib tsoo yuav tsum tau mus txog rau theem no, thiab koj tuaj yeem siv cov ntawv xuab zeb ntau dua los txuas ntxiv sib tsoo.
5. Xav txog cov txheej txheem tom ntej: Yog tias qhov polished nto yuav tsum tau pleev xim los yog pleev xim rau, cov kauj ruam kawg ntawm polishing yuav tsum siv cov ntawv xuab zeb zoo txaus los xyuas kom meej tias qhov saum npoo yog du thiab tsis muaj traceless kom cov xim los yog txheej tuaj yeem sib npaug.
6. Xav txog lub voj voog xuab zeb: Yog tias koj xav tau xuab zeb rau thaj tsam loj, feem ntau koj yuav xaiv cov ntawv xuab zeb nrog lub neej ua haujlwm ntev dua. Aluminium oxide sandpaper muaj lub neej ntev thiab tsim nyog rau kev ua haujlwm xuab zeb mus sij hawm ntev. Thaum koj xav tau xuab zeb sai sai lossis hloov cov ntawv xuab zeb ntau zaus, koj tuaj yeem xaiv siv wollastonite sandpaper. Nws cov xuab zeb nplej yog ntse dua, tab sis nws lub neej luv dua.
Feem ntau, kev xaiv ntawm cov ntawv xuab zeb tsis nruj tab sis yuav tsum tau xaiv kom yoog raws raws qhov tshwj xeeb ua haujlwm, cov yam ntxwv ntawm cov khoom siv, thiab kev xav tau ntawm cov xuab zeb. Kev xaiv kom raug thiab siv cov ntawv xuab zeb tuaj yeem tsis tsuas yog txhim kho kev ua haujlwm ntawm kev ua haujlwm, tab sis kuj ua kom zoo ntawm polishing thiab qhia qhov zoo tshaj plaws ntawm kev ua haujlwm.
