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Furniture is the cause of medium sand grinding process and its solutions
A, the causes of sand marks:
1. The inverse wood polishing.
2. Used rough sandpaper;
3. The coating does not dry grinding;
4. Use slow dry solvents, paint film is impossible in a certain time and dry; The top coating is too thin;
5. Not completely clean, after polishing the paint cannot penetrate;
6. When sand paper is used for surface paint powder, something has no sanding function can form mobile mark.
Second, the solution
1. Select the most appropriate sandpaper, general grinding with sand paper coarser, for the first time the second grinding with sand paper is fine, and should be the top of sand ground;
2. Wood texture direction along the grain direction should press when grinding polishing.
(3) should be performed in the dry film burnish, ?