3D Direct Printing Technology on Paper, New Breakout Point in Printing Industry Market
At present, most of the 3D printing applications we see in the market are 3D posters, 3D cards, and 3D maps. Due to the fact that its substrate does not leave the lenticular film and the market share is small, it has not been able to achieve large-scale development.
1000 years ago, we invented printing technology, but it was later surpassed by foreign countries. Today, we invented 3D direct printing technology on paper. Are we still waiting for others to surpass it? Today, the world's first paper 3D direct printing technology has been quietly launched in Dongguan, China. Tianjin Rongcai 3D Technology Co., Ltd., a joint venture between Tianjin Evergreen Co., Ltd. and Tiger Color Graphic Arts Co., Ltd., will set off a new flash point in the printing industry.
Tianjin Rong Cai 3D Technology Co., Ltd. General Manager Zhang Xiaochun
Zhang Xiaochun, general manager of Tianjin Rongcai 3D Technology Co., Ltd., made the world premiere of 3D direct printing technology on December 9th, 2016 at the Fourth Session of the 3rd Session of the China Printing Technology Association Gravure Printing Subcommittee and the 2016 Packaging Printing Annual Conference. The world's first 3D direct printing technology has many features such as environmental protection, realizable local application, perfect combination of process technology, wide applicability, and various forms of expression. It is reported that the visual and technological differentiation of the technology is obvious; it replaces traditional film gratings to be greener; it is particularly suitable for local applications and plays a crucial role in finishing touches; can be applied to various materials; has strong technical security and application cost low.
Through the introduction of the first three issues of WeChat, we must have a corresponding understanding of the paper 3D direct printing technology. For example, in the paper "3D direct printing technology, the new flash point in the printing industry market (1)" article, the material environmental protection is worrying, high application costs, inadequate packaging applications and other reasons make the use of lenticular film substrate Traditional 3D printing failed to achieve large-scale development in the printing industry. In the paper "3D direct printing technology on paper, new flashpoints in the printing industry market (2)", the paper further learned about the technical principles of 3D direct printing technology on paper. In the recent issue of “Paper 3D Direct Printing Technology, New Breaking Point in the Printing Industry Market (III)â€, we have further understood the technical features of the 3D direct printing technology on paper, and then printed 3D direct printing on paper. Technology has a deeper perception.
Today, we come through this article to understand the details of this pioneering 3D direct printing technology. First of all, let us first appreciate the display of Rong Cai 3D direct printing technology:
After seeing these wonderful sample display pictures, let's take a full look at the Rongcai 3D direct printing technology:
The traditional three-dimensional printing of the two process methods: First, the substrate is printed on the 3D printed rasterized image and then affixed to the lenticular film to obtain a 3D stereoscopic image; Second, UV printing 3D rasterized image on the lenticular film, and then Get a 3D stereoscopic image.
For the traditional lenticular film 3D prints, the most important is the lenticular film substrate, and the lenticular film as a plastic product, there are three major deficiencies in the application of packaging and printing products.
First, the material environmental protection is worrying
1. Plastics are made from petroleum-refined products, and petroleum is a limited resource.
2. Plastics are easy to burn and produce toxic gases when burned. Another high temperature environment can also cause the plastic to decompose toxic components.
3. Plastics cannot be degraded naturally and they are buried underground for years without rot.
4. Waste plastic recycling is difficult and economically uneconomical.
5. The manufacturing process of plastics is a high-energy-consuming industry, and consumes more social energy during the production process.
Second, the application of high cost
As a packaging material, film is affected by processing technology. Usually, the entire package is made of a lenticular film, which is rarely used for local applications. Even though local applications use tamping methods, the partial affixing method may affect the integrity and aesthetic appearance of the package. It is generally not adopted. With the overall adoption, there is no doubt that the overall cost of packaging will increase.
Third, the lack of packaging applications
1. Compared with paper materials, plastic materials have poor forming and processing characteristics and are difficult to mold.
2. Paper materials can be applied to a variety of printing and post-processing processes, but the plastic surface decoration printing and process processing adaptability is not as good as paper materials. In particular, film gratings, due to their prism stripes or dot-like structures, can no longer be subjected to other decoration and finishing processes, and their technical performance is single, so they cannot be further enhanced in terms of aesthetics and value positioning of product packaging.
Based on the above considerations, plastic film type gratings 3D and paper materials are incomparable in the field of packaging and printing, and they have not been well developed in market acceptance and scale production.
Technical principle
As we all know, the existing 3D printing technology on the market uses the principle of simulating human eye spacing to generate spatial differences, recording images at different angles and levels on media materials, and then using plastic grating materials for compounding in 2D. The three-dimensional stereoscopic effects and virtual reality are presented on the flat images.
The 3D direct printing technology on paper is completely different from the current UV printing technology on plastic lenticular film. It uses a traditional 3D offset printing technology to print localized 3D or animated rasterized images on a paper substrate. Afterwards, a new UV printing method is used to directly pass a specific printing plate on a partially rasterized image that has been printed with 3D or animation. A specific UV transparent varnish is printed and UV cured to form a layer of ink raster imaging medium on the partial pattern of the printed sheet to finally achieve a naked-eye 3D stereoscopic or animated image.
Technical features
1. Gratings containing plastic film are no longer used on the material. The 3D direct printing technology on paper uses UV varnish printing to cure on paper-based materials instead of the grating media used for optical imaging in traditional 3D printing. The media belongs to ink materials and has absolute environmental advantages compared to traditional plastic grating materials.
2. The local 3D effect can be arbitrarily presented in the design, and the visual difference is obvious. The technology solves the limitation of the application of the whole grating in the traditional 3D printing, pays attention to local application and local 3D rendering and animation, and plays a crucial role in the printing product. At the same time make full use of paper-based materials to adapt to the characteristics of a variety of printing processes, and further enhance the aesthetic sense and added value of printed materials.
3. Appearance and paper base form a perfect whole. As the 3D direct printing technology on paper uses an optical imaging medium for direct printing on a paper base, the printing varnish forms a perfect adhesion with the surface of the paper base, and the liquid varnish is integrated with the paper base junction through curing. In the application of traditional lenticular film, there are also a few parts of the packaging products on the market that use lenticular film to carry out partial affixing on the surface of the packaging box. The appearance lacks integrity and the level of sophistication is also greatly reduced. The paper 3D direct printing technology solves the defects of the appearance of traditional film stickers.
4. High-resolution imaging of thin media has been achieved in the process. The 3D direct printing technology on paper adopts a high linear density grating printing plate technology of 200LPI or more, which is greatly reduced compared with the thickness of conventional film gratings on the current market. The thickness of image forming media printed on paper base is less than 0.2mm. In the future, without reducing the effects of 3D imaging, with the continuous improvement of various technical links, higher linear density grating media can be printed, and the molding thickness can also be continuously thinned.
5. Various substrates have a wide range of adaptability. Applicable to all kinds of surface smooth substrate, commonly used white cardboard, coated paper, gold and silver cardboard, laser cardboard and label paper, can be applied. It can be applied to all kinds of commercial printing and packaging printing, such as cigarette labels, wine packaging boxes, cosmetics boxes, electronic product packaging boxes and labels and other types of printing products.
At present, as the downward pressure on the economy continues to increase, the market's spending power will continue to weaken. The packaging and printing consumer market also showed such a downward trend. A series of chain reactions have emerged: overcapacity in the printing industry, lack of orders, poor price capability, continued decline in profitability, and serious homogenization of print process technology, low-cost competition flooding the market, and poor corporate activity orders.
The 3D direct printing technology on paper is characterized by its visual differentiation, innovation and novelty, which makes people's sensory requirements for stereo vision satisfied. In addition, this technology also has a considerable degree of anti-counterfeiting performance and conforms to the current environmental development strategy of the society. Paper 3D direct printing technology will bring a historic breakthrough and change for the printing industry. It will become a new breakthrough point in the market and lead the future development of the printing industry, becoming the focus of people's pursuit.
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