The three-dimensional printing has captured the people's attention with its unique effect. Experts said that three-dimensional printing has long been popular in Europe and America for many years. However, in China it has gone through a long process. Since 1999, three-dimensional printing has begun to be applied. It has been gradually developed in 2000 and 2001, and it has a good momentum. Knowledge problem An expert who has been engaged in three-dimensional printing for more than 30 years said that many domestic printers lack understanding of new product development. As long as they have the ability to work on their hands and start up, they are not starved to death and will not actively seek technological breakthroughs. Some printing companies still hold traditional ideas and wait for rice to cook. They rarely work hard to develop new product areas and do not accept the concept of new things. However, foreign countries are not the same, and LCDs, fragrances, and foaming methods that have not been seen in China have long been widely used. Technical difficulties In the past, stereo printing was a systematic project that included stereo cameras. The three-dimensional computer plate-making and grating composite machines require unique expertise in every aspect of their development. Unless they have the ability to design and manufacture computer-based plate and grating stencils and grating machinery, it is inevitable that they will want to start production; and The production equipment is expensive and the process technology is complicated. High production costs, these have affected the promotion and popularization of three-dimensional printing. The commercialization of three-dimensional printing is a arduous process, so in the past several years, three-dimensional printing can only be applied in a small area. Nowadays, with the application of computer technology and CTP, the problem of plate making has been well solved, and the application of three-dimensional products can be further promoted. Price threshold The expensive prices of previous years also prevented the development of three-dimensional printing. Gratings are an important raw material for three-dimensional printing. Just a few years ago, imported high-precision thick gratings cost more than 1,000 yuan per square meter. Together with production costs, ordinary customers cannot afford the price. In recent years, grating prices have been falling all the way, although higher than flat printing, but if it is mass-produced, its price is still acceptable. For printing companies, the grating is expensive, and the purchase is calculated in terms of square meters. However, the processing of three-dimensional products is also based on area. For customers, the use of three-dimensional prints. Improve the quality of the product, more conducive to long-term development. When asked if the end-user can accept prices that are much higher than the print prices, an expert who has long been engaged in three-dimensional printing uses the metaphor of such an image. The plane-to-stereoscopic transition is like the black-and-white picture of a dozen years ago. Like the change, although it is somewhat expensive, but the column has gone up, the effect has been improved, just like hardcover and paperback have their own markets. Love three-dimensional reason According to relevant experts, there are several three-dimensional printing companies in Guangdong whose annual output value has exceeded 100 million yuan. What is the promotion of the development of three-dimensional printing? The related three-dimensional printing companies have their own opinions, summed up, there are so few points. The magical appearance Three-dimensional products are three-dimensional, animation: three kinds of different maps, resulting in a strange effect, completely different from the traditional plane printing. The three-dimensional product is a vivid image. Because of its exquisite and novel features, it has rapidly emerged overseas. It is most likely to impress those customers who are pursuing new vitality. These features can increase the added value of products, become an excellent means for customers to promote goods and improve the market image, and novel advertising media, playing an effective role in propaganda. client needs Raster images are very popular in Europe and the United States, because they can express information in a deeper and more vivid manner just like a dynamic advertisement. Therefore, there is a large demand for stereoscopic prints in foreign countries. Many domestic printing companies do export stereoscopic printing products. At the same time, three-dimensional printing also has a large market in China. The reason why many printing companies are interested in it is that three-dimensional printing allows them to find a new investment project. They need this new project to increase their profitability. This new Technology is more profitable than the original technology. This is the key to the investment of printing companies. price advantage Wang Zhiqiang, a technical engineer at Shenzhen Meidi Leopard Technology Co., Ltd., said that the market survey they conducted showed that this form of three-dimensional printing is recognized by many printing companies, but their high production costs and low yields have made them unable to do so. Not give up. In the past, if you were to make outdoor large-scale advertisements, you would have to use thousands of yuan per square meter of imported grating materials, plus the production cost, close to 2,000 yuan, which would be difficult for ordinary customers to accept. Now the price of grating materials has dropped, according to the different materials, dozens to hundreds of dollars can be purchased, domestic one-on-one direct printing grating even more than ten dollars, the most concerned price problem can now Accepted, the development of three-dimensional printing in China will have a broad space. Technological development In the 21st century, the production of stereoscopic images entered the digital era. The stereoscopic image uses computer software and computer direct plate making technology, and adopts high-precision printing equipment of frequency-measuring network points to ensure the quality of three-dimensional printing, promotes the development of three-dimensional printing, and the production technology is becoming more and more perfect and stable. Three-dimensional printing has thus entered a A new era. Anti-counterfeiting function Stereoscopic printing uses a comprehensive, security-encrypted optical security method. The anti-counterfeiting technology of the past, because the technology is too single, is hard to prevent. The three-dimensional anti-counterfeit trademarks are made of optical refraction data and can not be copied on the electronic color separation machine like ordinary prints. This technology can be applied to the anti-counterfeiting labels of tobacco, alcohol, beverages, cosmetics, clothing, medicines and other products. Experts have boldly predicted that three-dimensional trademarks will become the main anti-counterfeiting methods within 3-5 years. Investment Book Shenzhen Meidibao Company predicts that within two years, three-dimensional printing will become the mainstream of the national print advertising industry. With its current price and the rich forms it can carry, it will surely be favored by customers. For advertisers, they obviously feel that companies are transferring funds for outdoor advertising to some new promotional media. The funds for outdoor advertising are gradually decreasing. Therefore, advertisers must come up with some new and more attractive ones. Express the form to attract customers. At present, the three-dimensional printing form is the best, and does not require expensive investment. As long as the technology is strictly controlled, it can produce beautiful three-dimensional prints. When investing, the following points are to be considered. Technical preparation Three-dimensional printing and general printing processes are roughly the same, but they are more stringent and require more precision. For example, overprinting should be accurate, and dot restoration should be more clear and saturated, otherwise it will affect the clarity and three-dimensionality of the image. Software choice It is very important to carry out three-dimensional printing to realize the transition from plane to three-dimensional image. There are two ways to achieve this: one is to use a camera to take three-dimensional photos directly, and the other is to use professional software to transform the plane image into a stereoscopic image. In both of these methods, the stereoscopic shooting effect is good, but it is far less convenient to implement than the latter. There are two main types of software used in the plane-to-three-dimensional software: the first is professional software, such as 3D4U, and the second is common software such as Photoshop and CoreDraW. Using 3D4U software, only the customer needs to provide a flat image, which can be turned into a stereo image after software processing. Relatively speaking, photoshop production process is a little complicated, such as the need for 12-layer pictures, it will have to shift 12 times, and then synthesis, if not satisfied, it is time-consuming and labor-intensive to modify; and 3D4U parameter type, how many layers, only Depending on whether positive or negative parameters are given, there is no need to do it in layers, which saves manpower and material resources. Of course, the price difference between the two is also very large, 3D4U software is worth 4,500 US dollars, and Photoshop's price is 600-700 US dollars. Material identification There are three kinds of grating materials: PET, PP, PVC. The production and processing of PET gratings are generally abroad, with the best stability, high picture quality, and not easily deformed. Because of its anti-UV properties, it is suitable for outdoor advertising, able to receive the sun, not easily yellow discoloration, and its high yield. That is, the grating stability is also high, the image quality is general, and multi-use low-cost products are used. Because of its toxicity, PVC gratings are not environmentally friendly and are generally not used in toys and food packaging products in Europe and the United States. The accuracy and stability are not enough, resulting in three-dimensional image printing, the image can not be completely synchronized, the reject rate is often high, because the quality of the material itself limits its yield.
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