Sandblasting, txheej txheem ntawm kev kho deg ntawm workpieces.
Cov huab cua compressed yog siv los ua lub zog los tsim lub siab - dav hlau dav hlau ceev kom txau cov khoom siv tshuaj tsuag (tooj liab ore xuab zeb, quartz xuab zeb, pob zeb diamond xuab zeb, hlau xuab zeb, hiav txwv xuab zeb) ntawm kev kub ceev rau saum npoo ntawm lub workpiece yuav tsum tau kho, kom cov tsos los yog cov duab ntawm lub workpiece nto hloov. Vim muaj kev cuam tshuam thiab txiav cov nyhuv ntawm abrasive rau ntawm qhov chaw ntawm lub workpiece, qhov nto ntawm lub workpiece kom tau ib tug tej yam kev mob ntawm cleanliness thiab txawv roughness, thiaj li hais tias cov neeg kho tshuab zog ntawm lub workpiece nto yog zoo dua, yog li txhim kho lub qaug zog tsis kam ntawm lub workpiece, nce lub adhesion ntawm nws thiab txheej, ncua lub durability ntawm lub coatings thiab kho kom zoo nkauj zaj duab xis.
