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The importance of sandpaper in the polishing of furniture

2019-10-10 16:04 Time of views

The importance of sandpaper in the polishing of furniture

In the modern wooden furniture factory, many woodworking activities such as eye-catching and planing are replaced by machines, but the grinding process is still done by hand. Different parts and processes require different grinding tools. Workers use different tools to make furniture parts. Polished.

The aesthetics of the furniture surface depends to a large extent on the quality of the sanding. Paint, whether it is solid wood enterprises or panel furniture enterprises, the most work and the largest number of people, the most concentrated is the grinding workshop, and the most problems. Due to the particularity and difference of the materials themselves, as well as the differences in the shape and shape of the processed parts, coupled with the limited processing functions and cost considerations of the sanding equipment, it has not completely replaced the manual. Sanding method.

The importance of sandpaper in the polishing of furniture_sandpaper_zirconia abrasive belt_flap disc manufacturer_flap wheel factory

sandpaper,zirconia abrasive belt,flap disc manufacturer,flap wheel factory

The importance of sanding sandpaper

1, the choice of sandpaper

(1) Solid wood white billet: sanding selection 180#——240# sandpaper

(2) Grinding of the splint or one: use 220#——240# sandpaper

(3) Polishing of the flat primer: use 320#——400# sandpaper

(4) The last primer or sanding: use 600#——800# sandpaper

(5) Topcoat polishing and polishing: use 1500#——2000# sandpaper

2, the use of sandpaper

When sanding paper is used by hand, the whole piece of sandpaper is generally cut into four pieces. After each piece is folded, the two ends are clamped with the thumb and the little finger. In addition, the three fingers are flattened on the sandpaper and sanded on the surface of the object.

According to the sanding object, it can be changed at any time, and the holes in the fingers and the expansion and contraction of the fingers are used, and the concave and convex areas and the corners are mechanically polished.

When grinding a large area, it is necessary to master the principle of “being high”. Use the palm to rotate the sandpaper, or attach a slightly hard rubber such as sponge or cork block. Hold the left and right end faces tightly with your thumb and forefinger. mill.

The length of the sander must be moderate and should avoid hurting the fingers during operation.

The importance of sandpaper in the polishing of furniture_sandpaper_zirconia abrasive belt_flap disc manufacturer_flap wheel factory

sandpaper,zirconia abrasive belt,flap disc manufacturer,flap wheel factory

3. Causes and solutions for sand marks

(1) Reason

Counter-grain grinding; grinding with coarse sandpaper; polishing the film without drying; using too slow drying solvent, the film can not be dried for a certain period of time; the upper film is too thin; it is not thoroughly cleaned after polishing, the paint is impenetrable; When the sandpaper is used, the surface is retained by the paint powder, and a certain part has no sanding function, which will form a moving trace.

(2) Solution

a. Select the most suitable sandpaper, generally the sandpaper used for the first grinding is thicker, the sandpaper used for the second grinding is finer, and the sandstone of the upper layer should be worn away;

b. Grinding should be done in the direction of wood grain according to the direction of wood grain;

c. The paint film should be sanded after drying and the dust paint powder should be removed;

d. After using the sandpaper for a period of time, check whether the powder is retained and replaced.

e. Appropriately adjust the viscosity of the paint and grasp the thickness of the paint spray to cover the sand marks.


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