How to polish wood

The tools for wood polishing can be sandpaper, 400# sandpaper or 1000# sandpaper, and the effect is very good.

What is sandpaper?

Sandpaper is commonly known as sand skin. Materials used for grinding. Used to polish the surface of metal, wood, etc. Make it smooth. It is usually made by gluing various abrasive particles on the base paper. According to the different grinding substances, there are sandpaper, artificial sandpaper, glass sandpaper and so on.

The rough logs are first polished with an angle grinder, then polished with sandpaper, then polished with coarse sandpaper to fine sandpaper, and then polished repeatedly. You can't grind fine sandpaper first and then come back to grind coarse sandpaper. If the log has cracks, it can be repaired with 502 glue and polished rosewood powder during grinding.

Types and uses of sandpaper

Sandpaper commonly used in construction includes wood sandpaper, water sandpaper and iron sand skin. In general, putty used for local filling should be polished with 20 # wood sandpaper. 1 or no. 1; Scraped putty and primer layers shall be coated with No.0 sandpaper, and the middle layer of paint film shall be coated with No.00 fine sandpaper.

Some paint films are dry-ground with sandpaper. Friction and heating will soften and damage the paint film. At this time, wet grinding should be carried out with water sandpaper. Before wet grinding, put water sandpaper into water to soften, then wrap it outside the neatly folded cloth, and then soak it in soapy water to polish the paint film, so that water sandpaper can be wrapped outside the cloth, which can expand the polishing area and can also be used for heavy work.

In order to improve work efficiency, electric sander can also be used for large-area sanding construction, generally including disc, vibration, belt and drum.

Wood polishing method

Polishing methods include dry grinding, water grinding, oil grinding, wax grinding and toothpaste polishing. Dry grinding can be divided into rough grinding, flat grinding and fine grinding.

Rough grinding is generally used to remove wood wool, scars, glue marks, pencil marks, etc. of wood blanks during pretreatment, and flat grinding is generally used to wrap small blocks of wood or hard rubber with emery cloth and sandpaper to polish the bedding face, so that the leveling effect is better.

Fine grinding is generally used for intermediate treatment after putty scraping, sealing paint coating and color matching, which needs careful grinding.

The water mill is polished with water sandpaper dipped in clean water (or soapy water). Water milling can reduce wear marks, improve the smoothness of coatings and save labor and sandpaper.