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The flat metal sign is mainly a kind of metal sign with explanatory purpose by dissolving different colors into the adhesive film by using the method of photosensitive exposure, so that it is displayed on the metal plate through the development method.
The following are the specific process and formulas of several frequently-contacted metal flat signs (process flow of flat signs):
Flat-lighted aluminum sign: It adopts the method of photosensitive plate making, and puts different pigments into the film to make the text and pattern appear on the metal plate, so as to achieve the metal nameplate with explanatory significance.
1) Blanking: Generally, the size of the wool is required to be larger than the size of the plate (above 5mm), and the surface of the board is smooth and free of pits.
2) Pretreatment: ①polishing ②wire drawing ③treatment④oxidation and other methods.
3) Water-sealing: After degreasing and film removal, the processed board should be quickly immersed in water without contact with air.
4) Gluing: the configuration of glue. Glue: 200-230g Water: 1000ml, boil for 2 hours to fully dissolve the glue. When the temperature drops to 30-50℃, add 25-30g of photosensitizer (ammonium bibutyrate) and spread the glue evenly on Dry the metal plate for later use.
5) Exposure: The SB750 vacuum exposing machine can be used for photosensitive exposure. After the lamp is 60-90cm and the time is 40-80 seconds, it is placed in warm water for 1 minute and put into the color solution for dyeing.
6) Gloss retention: After fully dyed brand, after drying, apply gloss retention paint with brush or spray gun (usually use eye brand baking varnish or baking-free gloss retention paint).
7) Cut into.
Flat signs are generally used for indoor products, small household appliances and equipment not affected by severe weather. The advantages are simple plate-making process, fast speed, timely delivery, and low defective product rate. The disadvantage is that it will fade easily after exposure to the sun and rain. No outdoor signs can be made. Corroded metal signs are also called etching signs. Embossed metal signs or indented metal signs are mainly processed by three steps of masking, etching and post-processing.
The following are the specific process and formulas of several frequently-contacted metal flat signs (process flow of flat signs):
Flat-lighted aluminum sign: It adopts the method of photosensitive plate making, and puts different pigments into the film to make the text and pattern appear on the metal plate, so as to achieve the metal nameplate with explanatory significance.
1) Blanking: Generally, the size of the wool is required to be larger than the size of the plate (above 5mm), and the surface of the board is smooth and free of pits.
2) Pretreatment: ①polishing ②wire drawing ③treatment④oxidation and other methods.
3) Water-sealing: After degreasing and film removal, the processed board should be quickly immersed in water without contact with air.
4) Gluing: the configuration of glue. Glue: 200-230g Water: 1000ml, boil for 2 hours to fully dissolve the glue. When the temperature drops to 30-50℃, add 25-30g of photosensitizer (ammonium bibutyrate) and spread the glue evenly on Dry the metal plate for later use.
5) Exposure: The SB750 vacuum exposing machine can be used for photosensitive exposure. After the lamp is 60-90cm and the time is 40-80 seconds, it is placed in warm water for 1 minute and put into the color solution for dyeing.
6) Gloss retention: After fully dyed brand, after drying, apply gloss retention paint with brush or spray gun (usually use eye brand baking varnish or baking-free gloss retention paint).
7) Cut into.
Flat signs are generally used for indoor products, small household appliances and equipment not affected by severe weather. The advantages are simple plate-making process, fast speed, timely delivery, and low defective product rate. The disadvantage is that it will fade easily after exposure to the sun and rain. No outdoor signs can be made. Corroded metal signs are also called etching signs. Embossed metal signs or indented metal signs are mainly processed by three steps of masking, etching and post-processing.
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