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The production process of thermal transfer metal signs: base paper treatment -> printed protective layer -> printed pattern layer -> printed light-emitting layer -> printed cover layer -> printed adhesive layer -> drying -> packaging.
1) Protective layer. Use a 300 mesh screen to print a transparent heat transfer ink (if the ink viscosity is too high, you can use a thinner to dilute to a suitable viscosity), and print the entire pattern with transparent ink, mainly to protect the pattern layer and make the pattern resistant Abrasion resistance, washing resistance, chemical resistance, and play a role in positioning patterns. Use natural drying or low-temperature drying.
2) Pattern layer. The pattern layer can be printed with thermal transfer color ink once, the number of screen meshes used is 300 meshes, and the viscosity can be adjusted with a thinner according to the actual situation. The order of printing is mainly based on the color from dark to light. Pay attention to accurate positioning to avoid offsetting when printing the luminous pattern again. Use natural drying or low-temperature drying.
3) Light-emitting layer. The luminescent material and the transparent thermal transfer ink are formulated into luminescent ink at a ratio of 1:1, and the viscosity is adjusted with a diluent.
Using 100-200 mesh screen printing, the number of printing is determined according to the luminous brightness, the luminous brightness is high, the number of printing times is high, the luminous brightness is low, and the number of printing times is low. Generally, two passes can meet the requirements. Use natural drying or low-temperature drying.
4) Cover layer. As the luminescent material is used to print the pattern, a white reflective layer must be printed after the pattern to increase the personalized effect. We use white thermal transfer ink to print the cover layer on the entire pattern with a screen coated with a printing protective layer. Use natural drying or low-temperature drying.
5) Adhesive layer. Finally, use a 100-200 mesh screen to print the hot-melt adhesive layer to ensure that the entire pattern is covered. Mainly used to bond patterns and fabrics. Use natural drying or low-temperature drying.
6) Packaging of signs. Pack the dried heat transfer label with packaging film and place it flat.
1) Protective layer. Use a 300 mesh screen to print a transparent heat transfer ink (if the ink viscosity is too high, you can use a thinner to dilute to a suitable viscosity), and print the entire pattern with transparent ink, mainly to protect the pattern layer and make the pattern resistant Abrasion resistance, washing resistance, chemical resistance, and play a role in positioning patterns. Use natural drying or low-temperature drying.
2) Pattern layer. The pattern layer can be printed with thermal transfer color ink once, the number of screen meshes used is 300 meshes, and the viscosity can be adjusted with a thinner according to the actual situation. The order of printing is mainly based on the color from dark to light. Pay attention to accurate positioning to avoid offsetting when printing the luminous pattern again. Use natural drying or low-temperature drying.
3) Light-emitting layer. The luminescent material and the transparent thermal transfer ink are formulated into luminescent ink at a ratio of 1:1, and the viscosity is adjusted with a diluent.
Using 100-200 mesh screen printing, the number of printing is determined according to the luminous brightness, the luminous brightness is high, the number of printing times is high, the luminous brightness is low, and the number of printing times is low. Generally, two passes can meet the requirements. Use natural drying or low-temperature drying.
4) Cover layer. As the luminescent material is used to print the pattern, a white reflective layer must be printed after the pattern to increase the personalized effect. We use white thermal transfer ink to print the cover layer on the entire pattern with a screen coated with a printing protective layer. Use natural drying or low-temperature drying.
5) Adhesive layer. Finally, use a 100-200 mesh screen to print the hot-melt adhesive layer to ensure that the entire pattern is covered. Mainly used to bond patterns and fabrics. Use natural drying or low-temperature drying.
6) Packaging of signs. Pack the dried heat transfer label with packaging film and place it flat.
PR
Manufacturing process of corroded metal signs:
1) Blanking: According to the size required by the drawing (page size), plus a burr of no less than 5mm on all sides. The 720 type foot-operated shearing machine is used for shearing, which requires a smooth surface and no margins around it.
2) Surface treatment of metal corrosion signs:
⑴Mechanical polishing: Use a 2.2-4 kilowatt polishing machine to mechanically polish the wool. The cloth wheel uses a 300-350 motor with a speed of 2000-3000 revolutions/min.
(2) Alkali treatment: Boil the metal plate with 10-15% sodium hydroxide in an aqueous solution at 65-85°C for 10-30 seconds, then wash it with clean water and immerse it in a 5% bivalent acid aqueous solution. ⑶ Powder treatment method: Use a flat brush to dip the old powder (double powder) to scrub the ears with a uniform cross method until the stain is removed or the oxygen skin is removed, and then sealed with 5% potassium dichromate aqueous solution .
⑷ Wire-drawing treatment method: use mechanical or manual wire-drawing method to wire-draw the metal surface to achieve the metal surface regeneration effect. Metal screen printing signs refer to the use of resin inks, screen printing on the board surface after pretreatment, and then performing processes such as gloss protection and laminating to make various exquisite color screen printing metal signs.
Metal screen printing sign production technology is an aspect of the application of screen printing technology. All kinds of silk-screened signs have been widely used in the electronics industry and household appliances products, especially after the use of new decoration technology on the surface of various signs, it is presented in exquisite and elegant form with many colorful decorative effects. In front of it, the value and competitiveness of commodities have been improved. In the production process of metal signs, the decisive role is the process technology and printing key points of the screen printing plate and the pretreatment of the substrate, and the selection of screen printing ink. The thermal transfer metal sign is a special panel generated by the surface treatment process of the metal sheet, and then the color picture you designed is printed on the transfer paper by inkjet printing, and it is reversed to the metal plate by heating. Made of metal signs.
1) Blanking: According to the size required by the drawing (page size), plus a burr of no less than 5mm on all sides. The 720 type foot-operated shearing machine is used for shearing, which requires a smooth surface and no margins around it.
2) Surface treatment of metal corrosion signs:
⑴Mechanical polishing: Use a 2.2-4 kilowatt polishing machine to mechanically polish the wool. The cloth wheel uses a 300-350 motor with a speed of 2000-3000 revolutions/min.
(2) Alkali treatment: Boil the metal plate with 10-15% sodium hydroxide in an aqueous solution at 65-85°C for 10-30 seconds, then wash it with clean water and immerse it in a 5% bivalent acid aqueous solution. ⑶ Powder treatment method: Use a flat brush to dip the old powder (double powder) to scrub the ears with a uniform cross method until the stain is removed or the oxygen skin is removed, and then sealed with 5% potassium dichromate aqueous solution .
⑷ Wire-drawing treatment method: use mechanical or manual wire-drawing method to wire-draw the metal surface to achieve the metal surface regeneration effect. Metal screen printing signs refer to the use of resin inks, screen printing on the board surface after pretreatment, and then performing processes such as gloss protection and laminating to make various exquisite color screen printing metal signs.
Metal screen printing sign production technology is an aspect of the application of screen printing technology. All kinds of silk-screened signs have been widely used in the electronics industry and household appliances products, especially after the use of new decoration technology on the surface of various signs, it is presented in exquisite and elegant form with many colorful decorative effects. In front of it, the value and competitiveness of commodities have been improved. In the production process of metal signs, the decisive role is the process technology and printing key points of the screen printing plate and the pretreatment of the substrate, and the selection of screen printing ink. The thermal transfer metal sign is a special panel generated by the surface treatment process of the metal sheet, and then the color picture you designed is printed on the transfer paper by inkjet printing, and it is reversed to the metal plate by heating. Made of metal signs.
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.
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.
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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