Significant improvement in rice paper production and printing, post-press technology
The popularity of the rice paper printing market has also prompted more people to focus on the development of rice paper production and printing technology , which has led to significant improvements in rice paper production and printing technology in recent years.
This improvement is first reflected in the improvement of the quality of mechanical rice paper production. It is understood that Xuan paper mainly has two production methods, manual production and mechanical production. Among them, the manual paper making process is very cumbersome. From preparation, cooking, whitening, pulping, papermaking to drying paper, it needs manual completion. In this industry, not only the labor cost is increasing, but the wages of a skilled worker can reach 300 yuan per day. Moreover, due to the hard work, many young people are reluctant to engage in this work, which causes the workers to be in a state of disappointment, which greatly affects the manual rice paper. Yield. The mechanical rice paper (commonly known as imitation) is a method of "spraying" in the papermaking process, which requires the addition of rubber, which makes the final rice paper acidic. Compared with manual rice paper, it has the disadvantages of easy oxidative discoloration and weak permeability. .
At present, the above situation has been improved. Rizhao Taiyi and a number of special paper papermaking enterprises have developed the industrialized production technology of rice paper. In the papermaking method, the "spraying" method used in the previous mechanical rice paper was changed to the "water fishing" method of imitating manual rice paper, and the existing papermaking The front end of the rotary screen of the production equipment adds a bamboo curtain long net to complete the papermaking process. According to reports, this "long circle combination" method not only guarantees the mechanized efficiency and uniform quality of rice paper production, but also retains the "bamboo curtain", "water slurry" and "water fishing" technology in the production of handmade rice paper. The reel mechanical rice paper produced by the company not only has the characteristics of manual paper, "paper is a thousand years old, soft and silky", but also has good ink and washability which was not possessed by mechanical rice paper.
Second, rice paper printing and postpress technology are also diversified. Look at the printing technology first. The main printing methods of rice paper are offset printing , stencil printing, and art micro-spraying. Among them, offset printing includes traditional water-based offset printing and waterless offset printing. Traditional water-based offset printing printing paper requires that the rice paper should be smashed and surface-treated, which requires the technical requirements of the company's screening technology and operators. Gao, Shanghai Fine Arts has used this technology; waterless offset printing can be directly printed because there is no water "participation", and it is not necessary to process the rice paper. At present, Yachang has applied this technology to rice paper printing. As a kind of dotless printing method, Miluo printing has excellent tone reproducibility. This technology has been applied in companies such as Oriental Baodi Culture Communication (Beijing) Co., Ltd. Art micro-spray is also one of the popular printing methods of rice paper. Because of its good effect and high precision, it has applications in companies such as Yachang, Shenghong and Shanghai Fine Arts. In addition, according to reports, Shanghai Fine Arts has also developed a set of technical means for printing on uncoated rice paper with Epson large-format inkjet printers, so that the copied products are closer to the original, and the price of rice paper prints is from 100 to 200 yuan. / square meters increased to more than 1,000 yuan / square meter, greatly improving the profit margin of the product.
Look at the postpress technology. Because the rice paper is soft, light, breathable, etc., it is easy to pleat, easily damaged and difficult to transfer during post-press processing. Therefore, in addition to cutting, other post-press processing operations need to be done manually, which is time-consuming and laborious, and cost. Also very high. Take Ryukyu's high-speed inkjet printing equipment of Rizhao Taiyi as an example. To match its production capacity, if all the post- press processing links are manual, 40 to 50 people need to be equipped. This indicates that the printing paper has entered the era of optical motor. The post-press processing of Xuan paper is still in the embarrassing situation of the manual era. In order to solve this problem, Rizhao Taiyi and MBO have repeatedly experimented and developed a digital post-press production line of reel rice paper with a width of up to 20 inches. The production line avoids Feida, the reel paper first enters the slitting unit, and the slitted sheet of rice paper enters the folding unit, and the folding unit folds the single sheet of paper into a continuous organ fold, so that the whole book is a Folding hands, no need to match pages, solve the problem that it is difficult to transfer paper with the nozzle during the matching process, and can complete the unwinding, cutting, folding, edge-cutting, stacking, stacking, positioning, punching, binding, etc. The whole process of post-press processing of books has greatly improved the efficiency of post-press processing of rice paper.
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