Sau ntawv rau polishing nrog sandpaper

1. Sandpaper polishing yuav tsum tau siv nrog cov ntoo mos los yog xyoob sticks. Thaum polishing puag ncig lossis kheej kheej, siv cov cork sticks tuaj yeem ua kom zoo dua qhov curvature ntawm lub voj voog thiab kheej kheej. Cov sticks tawv dua yog tsim rau polishing tiaj tus. Thaum polishing, nws tseem yuav tsum tau zam lub kaum ntse ntse ntawm cov ntoo sawb (los yog xyoob sawb) hu rau saum npoo ntawm lub workpiece, thiaj li tsis txhob khawb tob.

2. Thaum siv polishing sandpaper, qee zaum tsuas yog ib hom polishing sandpaper tsis siv. Yog tias koj xav hloov cov ntawv xuab zeb sib txawv, cov kev taw qhia polishing ntawm cov ntawv xuab zeb yuav tsum tau hloov kom tsim nyog, thiab ob qho kev qhia yuav tsum tau tig 45 degree -90 degree txhua zaus, kom cov duab ntxoov ntxoo streak sab laug los ntawm hom yav dhau los ntawm sandpaper tuaj yeem paub qhov txawv.

3. Ua ntej hloov mus rau polishing sandpaper qauv, ua tib zoo so lub polished nto nrog cov tshuaj ntxuav xws li cawv dipped nyob rau hauv paj rwb, kom tsis txhob cov xuab zeb thiab gravel seem nyob rau saum npoo thiab cuam tshuam rau tom ntej polishing ua hauj lwm.

4. Thaum polishing lub workpiece nrog polishing sandpaper, ua tib zoo saib kom tsis txhob khawb thiab hlawv qhov chaw ntawm lub workpiece, tshwj xeeb tshaj yog thaum siv polishing sandpaper nrog ib tug heev mesh tooj.