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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.
PR
1. Image sign

The image sign is mainly designed by the sign designer. When designing, it will be combined with the corporate cultural concept, through the production of some corporate information, so a good image card is not a simple logo, but contains a lot of cultural information, and can even be compared with sculptures.

Most image cards can glow at night. They can use acrylic plastic characters, three-dimensional acrylic characters, LED metal characters, neon lights, etc. to achieve luminous effects. So many image cards play a landmark effect at night.

2. Floor-standing shunt sign

In the current emphasis on people-oriented society and architecture as mobile music, the humanistic spirit is the most profound expression. As a part of modern architecture, large-scale floor-standing shunt signs should be carefully considered in terms of their modeling design, color matching, and production technology, so that they reflect each other with the main building and green plants.

3. Floor index board

The most prominent feature of the floor index board is its unique appearance. No matter what to explain or indicate, whether it is a moral or a symbol, its meaning must be accurate. First, it must be easy to understand and conform to people's cognitive abilities. Secondly, it must be accurate and avoid unexpected misunderstandings or misunderstandings, especially the taboos of ought doctrine, so that people can understand it clearly and accurately in a short period of time. 4. Department card

Office signs, also known as office signs, are specific applications of signs in office systems. The development of office signs has experienced brands such as wood, bronze, and stainless steel. Profile office signs are the mainstream direction of future development.

4. Functional signs

Functional signs mainly include warm reminder signs, public safety signs, boiling water rooms, toilet signs, weather forecast and date reminders, etc. Bright and complete functional signs not only provide convenience to people, but also improve efficiency, which has become a necessity for modern construction management.
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