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(1) IMD definition
IMD is a technology that puts the printed decorative sheet into the injection mold, and then injects the gum on the back of the molded sheet, so that the resin and the sheet are joined together to form a solidified technology. IMD is a technology for insert decoration at the same time as injection molding. The product is integrated with the decorative printing material, and the three-dimensional shaped product can be decorated and printed to make the product achieve both decorativeness and functionality. effect
(2) IMD market:
1. The world's four largest ink manufacturers attack the IMD industry, develop professional IMD inks, and continue to exhibit on the mainland.
2.The world's four largest film manufacturers attacked the IMD industry.Mitsubishi's previous two assembly lines have now increased to four.
3. Large international companies are attacking the IMD industry. Foxconn's previous department now increases production by 2 departments.
4. Some printing industry giants have invested in the whole process of IMD.
(3) Comparison of IMD with IML, IMR and traditional products
Traditional injection products:
1. A secondary process such as painting or electroplating is required (increasing cost and causing pollution)
2. The ink is on the surface of the product, and it will be scratched or scratched over time (reducing the overall quality and appearance of the product)
3. Follow-up work after injection molding, resulting in a decrease in yield, etc.
IMD in-mold decoration products:
1. Reduce cost and time. Only one set of molds need to be opened in the IMD process. Unlike other old alternative processes, multiple sets of molds need to be opened to reduce system costs and inventory costs.
2. The process is simplified. There is a one-time injection molding method, which achieves molding and decoration at the same time, reduces costs and working hours, and can stabilize production.
3. Product stability and durability. Because the ink is between the sheet and the plastic injection, the three-dimensional molding increases the freedom of design. The graphics and colors are in the plastic interlayer, which is resistant to abrasion and corrosion, and the color is bright. The printed pattern can be changed at any time without changing the mold.
4. 3D complex shape design and diversified styles. Patterns, colors, fonts, and LOGO are screen-printed or screen-printed sheets on the carrier frequency surface. They are formed into a 3D shape, which can be created according to customer needs with special patterns of metal plating or natural materials. Some effects cannot be achieved by electroplating.
5. High yield. In high-pressure forming, there is only a lower mold, not an upper mold. The sheet is not touched during the molding process and will not contaminate the sheet.
6. Suitable for 3D products and high-stretch products. High-pressure forming can stretch up to 25 cm.
7. The thickness of the film can be changed without changing the mold. The film sheet can be leather, velvet, etc. to improve the grade and quality of the product.
IMR (IMD in Japan) transfer:
1. There is no protective mold on the surface of the product, which cannot prevent corrosion and scratches.
2. Long development cycle. The technology is in Japan, and the proof is at least 1,000 meters. The mold is expensive and the technology is not exported. Sheets and molds must be imported from Japan.
3. Only flat or slightly curved surface decoration can be done.
4. Waste resources. It is difficult to recycle the used sheet
IMD products:
1. Make cooperative 2D or low-stretch products. Such as mobile phone lens or control panel.
2. The yield rate is difficult to control, and it is greatly affected by human factors, and the temperature is difficult to control.
3. Male and female molds, damage the surface of the sheet during the molding process.
4. The thickness of the film needs to be modified to change the mold, which is expensive, the R angle is poorly formed, and the sheet can be easily broken.
IMD advantage
1. Product stability: correct color registration for product consistency and standardization 2. Product durability: protection of COATING film through special treatment can provide products with better surface wear resistance and chemical resistance 3, 3D complex shapes Design: Using the excellent stretchability of the film, it can successfully achieve the required product complexity. Opening design requirements 4. Diversified styles: metal plating or natural materials can be created according to customer needs Construction method, which achieves molding and decoration at the same time, can effectively reduce costs and working hours, and can provide stable production. 6. Reduce costs and working hours , Can remove the manpower and working hours of one operation procedure, reduce system cost and inventory cost
IMD substance;
IMD is actually a product made by cutting and printing the printed film, inserting it into the cavity of the injection mold and then closing the mold. It integrates printing, molding, molding, and injection molding technologies, and integrates the use of plastic sheets, inks, and plastic resins. The injection resin is combined with the ink layer on the back of the film. The panel graphics and logo are placed between the film and the injection molded resin. The graphics and logo will not wear due to friction or time.
(4) IMD customer objects and application areas:
Home appliance industry: control decorative panels for rice cookers, washing machines, microwave ovens, air conditioners, refrigerators, etc .;
Automotive industry: instrument panels, air-conditioning panels, interior parts, lamp housings, signs, etc .;
Electronics industry: MP3, MP4 machine, computer, VCD, DVD, electronic notepad, camera and other decorative shells and signs;
Computer industry: keyboard and mouse shell;
Communication industry: mobile phone buttons, housings, window lenses;
Other industries: cosmetic boxes, gift boxes, decorative boxes, toys, plastic products, sports and leisure appliances, etc.
(5) Development prospects of IMD process
At present, IMD in-mold decoration inlay injection molding technology is widely used in communications, home appliances, electronics, automobiles, meters, instruments, medical devices, toys, cosmetics and other industries, it is a brand-new plastic decoration technology. It can change in three dimensions, increase the freedom of designers, and can design a variety of personalized products to meet the needs of the development of the times.
IMD technology can achieve injection molding, decoration integration, one-time completion, and can make a variety of special effects, such as: button blister, metal mirror or matte surface, metal wire drawing, back light transmission, concave and convex dots, etc. Etc., very decorative and functional.
IMD technology is the best new technology to replace the painting and electroplating of plastic products. It reduces the subsequent processing steps of injection molding and is promoted and popularized in the plastic industry. It can truly realize the significance of energy saving and environmental protection, and will bring huge economics to society and enterprises Benefits and environmental benefits.
Because IMD products are combined with decorative functionality, the graphics and colors of injection parts are molded at one time during in-mold injection, which reduces the post-processing links; in addition, IMD three-dimensional molding increases the freedom of design, graphics, colors and The plastic interlayer is resistant to abrasion and corrosion, and has a bright color. The printed pattern can be changed at any time without changing the mold.
In summary, IMD technology not only improves the quality of products, but also broadens the space for continuous product innovation and enhances the added value of products. Therefore, IMD is a development project with great global potential
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