There are various types of polishing tools, and different types have different functions. There are nearly ten types of grinding heads for grinding machines alone.



Usually used to handle protruding parts. Including steel pattern files, diamond files, etc., commonly used for hard materials such as plastics, resins, metals, etc.


There are various shapes of files, including circular, square, semicircular, triangular, etc. For curved props, to prevent excessive polishing, circular and semicircular shapes are usually selected, and ultimately they are still selected based on the shape of the props.



Usage characteristics of files, sandpaper, and sponge sandpaper



It is a commonly used polishing tool. According to different grinding materials, there are various types such as diamond sandpaper, artificial diamond sandpaper, glass sandpaper, etc.


Dry sanding paper (wood sanding paper) is used to polish the surface of wood and bamboo. Water resistant sandpaper (water sandpaper) is used to polish the surface of metal or non-metallic workpieces in water or oil. Compared to sandpaper and sponge sanding, sanding is more supportive, thicker, and less prone to abrasion.



Usage characteristics of files, sandpaper, and sponge sandpaper



During the process of polishing the curved surface with ordinary sandpaper, there may be situations such as surface deviation or uneven curvature, which requires the use of sponge sandpaper for polishing.


Sponge sandpaper can fit the curved surface well, making it suitable for polishing curved props and completing polishing operations without damaging the curvature.