Three-dimensional printing has caught people's attention with its unique effect. Relevant experts say that three-dimensional printing has been popular in Europe and America for many years. But in China it has gone through a long process. From 1999, three-dimensional printing began to be applied, and gradually developed in 2000 and 2001, and the momentum is good.
Recognize the problem
An expert who has been engaged in three-dimensional printing for more than 30 years said that many domestic printing companies do not have enough understanding of new product development. As long as they have the ability to work hard and can start up, they will not actively seek technological breakthroughs unless they are starved to death. Some printing companies still hold traditional ideas and wait for the rice to cook. They seldom make efforts to develop new product areas and do not accept the concept of new things. It is different in foreign countries. Printing methods such as liquid crystal, fragrance, and foaming, which are rare in China, have long been widely used.
Technical difficulties
In the past, stereo printing was a systematic project, including stereo cameras. Stereoscopic computer engraving and grating compound machines require unique expertise in every aspect of development. Unless enterprises have the design and manufacturing capabilities in computer engraving, grating templates, and grating machinery, it is inevitable to start production; and The production equipment is expensive and the technical operation is complicated. The high production cost affects the promotion and popularization of 3D printing. The commercialization of three-dimensional printing is a difficult process, so in the past few years, three-dimensional printing can only be applied to a small extent. Now 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 in previous years have also prevented the development of three-dimensional printing. Grating is an important raw material for three-dimensional printing. Just a few years ago, the imported high-precision thick plate grating cost more than 1,000 yuan per square meter, plus the production cost, ordinary customers could not bear the weight of the price.
In recent years, the price of raster has dropped all the way, although it is higher than flat printing, but if mass production, its price is still acceptable. For printing companies, although the grating is expensive, the purchase is calculated by square meters, but the processing of three-dimensional products is also calculated by area. For customers, three-dimensional printed materials are used. Increased product quality is more conducive to long-term development. When asked whether the end customer can accept a price much higher than that of flat printing, an expert who has long been engaged in three-dimensional printing used such an image metaphor. The transformation from flat to three-dimensional is like the black and white pictures to color pictures more than ten years ago. The change is the same, although it is a bit expensive, but the column has gone up, and the effect has been improved, just like there are markets for hardcover and simple.
Reasons to love stereo
According to relevant experts, there are several three-dimensional printing enterprises in Guangdong with annual output value exceeding 100 million yuan. What promotes the development of three-dimensional printing? The related three-dimensional printing companies express their own opinions. In summary, there are several points.
Magical look
Three-dimensional products have three-dimensional, animation: three kinds of abnormal images, the strange effect produced is completely different from the traditional flat printing. Stereoscopic products are full of vitality. They are rapidly emerging overseas due to their exquisite and novel and moving characteristics. It is the easiest to impress customers who seek novelty and vitality. These features enhance the added value of products, become an excellent means for customers to promote commodities and improve market image, and novel advertising media, which play an effective role in publicity.
client needs
Raster images are very popular in Europe and the United States, because they are like a dynamic advertisement, which can express information in a deeper and more vivid way. Therefore, there is a large demand for 3D printed materials in foreign countries. Many domestic printing factories make 3D printed products for export. At the same time, 3D printing also has a large market in China. The reason why many printing plants are interested in it is that 3D printing allows them to find a new investment project. They need this new project to increase corporate profits. This new Technology is easier to obtain profits than the original technology, which is the key to the investment of printing companies.
price advantage
Wang Zhiqiang, a technical engineer of Shenzhen Meidibao Technology Co., Ltd., said that the market surveys they have done show that the three-dimensional printing is recognized by many printing companies, but their high production costs and low yields make them unacceptable. Not give up. In the past, if you were doing large-scale outdoor advertising, imported grating materials cost thousands of yuan per square meter, plus the production cost, which was close to 2,000 yuan, which is difficult for ordinary customers to accept. Now the price of grating material has dropped. Depending on the material, it can be purchased from tens to hundreds of yuan. A domestically produced direct-printed grating can only cost more than ten yuan. The most concerned price issue is now. Accepted, there will be a broad space for the development of 3D printing in China.
Technological development
In the 21st century, the production of stereoscopic images has entered the digital age. The use of computer software and computer-to-plate technology for stereo images and the use of high-precision FM dot printing equipment ensure the quality of stereo printing and promote the development of stereo printing. The production technology is becoming more and more stable and stable. A new era.
Anti-counterfeiting function
Three-dimensional printing uses a comprehensive anti-counterfeiting method of optical encryption. In the past, the anti-counterfeiting technology was too single, so it was invincible. Because the three-dimensional anti-counterfeit trademark is made of optical refraction data encryption, it cannot be copied on the electronic color separation machine like ordinary printed products. This technology can be applied to anti-counterfeiting labels for tobacco, alcohol, beverages, cosmetics, clothing, medicines and other products. Some experts boldly predicted that the three-dimensional trademark will inevitably become the main anti-counterfeiting method within 3-5 years.
Investment Collection
Shenzhen Meidibao Company predicts that within two years, three-dimensional printing will become the mainstream of the nation's print advertising industry. With its current price and the rich forms it can carry, it will inevitably be favored by customers. For advertisers, they obviously feel that enterprises are transferring funds for outdoor advertising to some newer promotional media, and the funds invested in outdoor advertising are gradually decreasing. Therefore, advertisers must come up with some new and more attractive Expressions to attract customers. At present, the form of 3D printing is the best, and there is no need to invest expensive costs. As long as it is strictly controlled in technology, it can produce exquisite 3D printed products. When investing, the following points should be considered.
Technical preparation
Three-dimensional printing and general printing processes are roughly the same, but they are stricter and require higher accuracy. For example, overprinting should be accurate, and the dot reproduction should be more clear and saturated, otherwise, it will affect the clarity and three-dimensional sense of the image.
The choice of software
It is very important to carry out three-dimensional printing to realize the transformation of the image from plane to three-dimensional. There are two ways to achieve this: one is to use the camera to take a stereo picture directly, and the other is to convert the plane image into a stereo image using professional software. In these two methods, the stereo shooting effect is good, but the implementation is far less convenient than the latter. There are two main types of software that are frequently used in China for plane-to-stereo software: one is professional software, such as 3D4U, and the other is ordinary software Photoshop and CoreDraW.
Using 3D4U software, customers only need to provide a flat image, which can be turned into a stereo image after being processed by the software. Relatively speaking, the production process of Photoshop is slightly more complicated. For example, if a 12-layer image is needed, it will be shifted 12 times and then synthesized. If it is not satisfactory, it will be very time-consuming and labor-intensive to modify; Depending on whether positive or negative parameters are given, there is no need to do it layer by layer, which saves manpower and material resources relatively. Of course, the price difference between the two is also very large, 3D4U software is worth 4,500 US dollars, while the price of Photoshop is 600-700 US dollars.
Identification of materials
There are 3 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 easy to deform. Because of its anti-UV properties, it is suitable for outdoor advertising, can accept the sun, will not easily yellow and discolor, and its yield is higher.
That is, the stability of the grating is also very high, the image quality is average, and it is used on low-cost products.
Because of their toxicity and environmental protection, PVC gratings are generally not used in toys and food packaging products in European and American countries. The accuracy and stability are not enough, which leads to the incomplete synchronization of images during the printing of stereo images, and the scrap rate is often very high, because the quality of the material itself limits its yield.
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