Stereo printing originated from the three-dimensional image negatives provided by stereo photography. Although the theory of stereo photography imaging has been more than 100 years old, stereo photography has developed to a certain extent in these long years. However, due to the use of traditional optical principles in the production and synthesis of stereoscopic photographs, the application of stereoscopic photographs has great limitations, coupled with expensive production equipment, complicated process technology operations, and high production costs. Stereoscopic photography cannot be promoted and popularized. Therefore, stereoscopic printing is also subject to a long process flow in the pre-press platemaking process, and a large cumulative error between the processes, which reduces the picture clarity and affects the printing effect.
In the 1980s, due to the advent of digitization, the development of three-dimensional printing was promoted, and the production technology was becoming more and more stable and stable, so three-dimensional printing entered a new era. Nonetheless, the scrap rate of 3D printing is as high as 40%, which is mainly due to the difficulty of plate making color separation and amplitude modulation dot accuracy of more than 300 lines / inch. The screen angle and color printing overprinting are difficult. In the 1970s, our high-precision four-color offset press The number is limited and it is difficult to meet the technical requirements of three-dimensional printing. Fortunately, in the early 1980s, Beijing Printing Institute provided us with printing quality assurance, using the only Heidelberg four-color four-color offset press with CPC remote control in their teaching practice factory. So that the rate of authenticity of the three-dimensional printed matter can reach more than 85%. Build our confidence in improving quality.
In the 21st century, three-dimensional photography has entered the digital age. Three-dimensional multi-image synthesis uses computer software and the computer directly makes plates.
At present, the application scope of three-dimensional printing has not been understood by the general public, and the concept of "treasure" cannot be rid of. Therefore, when entrusting a printing factory to print, there is often a situation where it wants to monopolize for exclusive use. Nowadays, from the perspective of market economy, it should be considered from the perspective of a wider range of uses and users, and focus on the aspect of long-term and widespread use as soon as possible. The application range of stereoscopic printing is eye-catching. The application of this technology For packaging and decorating products, commercials, science and education cartoons, postcards, New Year's cards, anti-counterfeiting marks, trademark tags, mouse holders, various credit cards, etc. Three-dimensional printing will provide us with unlimited business opportunities.
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