First, solid wood furniture technology-material preparation
1, plate drying: control the moisture content of wood at 8%- 10%, and the dried wood is not easy to burst and deform;
2. Balance: Leave the dried wood for a period of time to restore its balance;
3. Material selection and ingredients: There are three kinds of wood products in hidden weapons: external materials, temporal materials and dark materials. External materials are exposed, and internal materials refer to products used internally, such as internal files and bottom plates. Dark material refers to the parts that can't be seen under normal use, such as drawer guide rails and cladding panels.
4. Rough planing: fix the thickness of wool board.
5. Wind shear: the trimming length of wool pieces. According to the required length, the blanking is lengthened by 20 mm.
6. Trimming: Cut off the unusable burrs on the wool board.
7. Matching of boards: The materials matched with boards are divided into straight lines and gable lines, and the color matching is consistent. According to the required width, the width of the plate is matched reasonably. When selecting materials, internal cracks, end cracks, knots, blue changes and rotten wood parts should be eliminated.
8. Glue distribution: evenly distribute glue between the wood, and the glue distribution ratio is the ratio of curing agent (10— 15g) and splicing glue (100g), and mix about 500g each time.
9. Splicing: Splicing the wood with a splicing machine, paying attention to height difference, length difference, color difference and scarring.
10. Aging: Leave the glued wood for about 2 hours and let the glue solidify.
1 1. Sanding: Scrape the excess glue between the wood, so that there is no excess glue on the wood surface.
12. Sawing and width setting: set the width of wood with a single saw.
13. Four-sided planing molding: planing wood according to the required shape.
14. curing: let the wood stand naturally for about 24 hours.
Second, solid wood furniture technology-woodworking
15. Determination of the thickness of wide sand: stop the sand to the size meeting the processing requirements according to the requirements, and grind it after processing, with coarse sand of 0.2mm and grinding of 0.1mm.
16. Fine shearing: the length of wool is fixed, and stubble collapse and blackening will not occur during processing. The processing error of length and width should be less than 0.2mm, the diagonal below 1 m should be less than or equal to ≤0.5mm, and the diagonal above 1 m should be less than1mm.
17. Molding: Wood is processed and molded according to the drawings. No stubble, burr, knife jumping and blackening are allowed in the machining process, and the surface of the parts should be smooth and flat. Before processing, check whether the screws of the equipment parts are loose, whether the templates are installed correctly and whether the tools are installed securely. The dimensional error of the parts shall not exceed 0.2 mm..
18. Drilling: drilling according to the process requirements of the drawings, to ensure that the hole does not collapse or puncture during the processing, and the machining error of the hole position does not exceed 0.2 mm The drilling of the product should be matched, and the product should be tested and inspected frequently to ensure the product quality.
19. Fitting bolt sand: The finished product with good sanding should be smooth, without sand marks and with consistent corners. Before sand inspection, it is necessary to know the use position of the parts, fill the soil first and then sand.
20. Assembly: Before assembling the parts that do not need to be disassembled, prepare the materials first, and check all the parts that need to be assembled according to the requirements of drawing processing, without cracks, burrs and blackening. After the first piece is assembled, the measurement and assembly can be started when there is no error between the ruler and the drawing process. During the assembly process, the adhesive tape should be evenly daubed, and the assembled semi-finished products should not leak nails or slurry, and be closely combined, and the glue should be wiped clean.
2 1. Large-scale assembly: check whether the trial assembly parts have errors with the drawings. The difference with group assembly is that the finished product is after the large group assembly is completed.
22. Finished product sanding inspection: Finished product sanding requires smoothness, no sand marks and consistent edges and corners.
23. Balance: Let the parts stand naturally for a period of time.
24. Sand inspection of coating line: re-polish the surface of workpiece, especially the capillary fiber on the surface of wood. At the same time, check whether the defects of the body-in-white have been handled well, such as poor repair, poor grinding, cracking and deformation.
25. Dust blowing: Blow the dust off the surface of the workpiece.
Third, the process-painting
26. The first step in the painting process is wiping: try wiping first to confirm whether the wiping agent is correct and appropriate. Before rubbing, the friction agent should be stirred evenly until there is no sediment. The brush used must be cleaned first, and the cloth to be wiped must be an indelible cloth.
27. Background color: Select the background color according to the requirements of color samples, and adjust the color difference between materials through the background color.
28. First primer: Blow the dust clean before spraying, and check whether the rubbing effect is good. Head primer concentration 16 second, spraying thickness is cross.
29. Drying: Let it dry for 6-8 hours after spraying.
30. Sand blasting cleaning: First, fill all the scratches, and then gently polish them with 320# sandpaper, mainly to polish off the burrs on the painted products.
3 1. Second primer: blow the dust clean before spraying. Primer concentration 18 second, thickness is cross.
32. Drying: Let it dry for 6-8 hours after spraying.
33. Sand blasting cleaning: firstly, fill the defective places in place, and then polish the paint surface with 320# sandpaper to be smooth and level, and the paint surface cannot have big bright spots.
34. Tertiary primer: Blow the dust clean before spraying. Primer concentration 16 second, thickness is cross.
Related reading: You don't even know how important polishing and painting are!
35. Drying: Let it dry for 6-8 hours after spraying.
36. Sand blasting cleaning: Use 400# sandpaper to polish the paint surface smooth and smooth, and no bright spots are allowed on the paint surface.
37. Color change: Before color change, it is necessary to check whether the product is in good condition, and the dust and pollutants on the product need to be cleaned up. The technician will make color matching, then repair a prenatal sample according to the color sample, and the on-site supervisor will determine the color before the operation.
38. Oil sands: The product after color change should be dried for 4-6 hours, and then the surface of the product should be polished with 800# sandpaper. Attention should be paid to prevent leakage and scratch of color paint during grinding.
39. Topcoat: Before topcoat, check whether the product is in good condition, whether the product surface is smooth, and the surface dust and attachments must be cleaned. The thickness of the top coat is11-12s.
40. Drying: drying for 4 hours.
Four, solid wood technology-packaging
4 1. inspection, visual inspection: check whether the overall color matching of the product is consistent, and there can be no different shades. Observe whether the paint surface of the product is smooth, sagging, uneven spraying, orange peel, missed spraying and foggy white under natural light. Touch by hand: Touch the paint surface by hand to check whether the surface is smooth and whether there are particles. Feel the texture and feel of the paint with your hands.
42. Spot color: repair the defects on the surface of the workpiece.
43. Dust blowing: Blow the dust off the surface of the workpiece.
44. Packaging: packaging products.
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