Talking about the pros and cons of the dotless printing process
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The technicians who are tracing must not only have high painting skills, but also have a deep knowledge of Chinese painting. When tracing, it is necessary to make a decision on how to print the original and the original, the artist's style and artistic characteristics, and the size of the picture.
Engraving wood version: The manuscript is posted on the wooden board. After drying, the engraving can be carried out. Each manuscript is engraved into a wooden board. A painting must be engraved with dozens of pieces or even hundreds of plates. The engraver must familiarize himself with the ancient and modern paintings, and carefully understand the original works in order to be able to manipulate the lines and the layers of the sculptures.
Printing: The engraved woodblocks are printed in sequence. The method is to first brush the wood protruding portion (that is, the screen portion), then spread the rice paper on it, and then hold the brush to print on the rice paper. How many pieces of wood are printed with this rice paper, and finally finished. It requires the painter to be familiar with the painting technique. Before the brushing, it is necessary to analyze the fast, slow, light and heavy of the original pen, and the difference of the color, the light, the dry, the wet, etc. According to the original rendering retouching, etc., the brush is printed and then processed with a brush to make the brush reproduce the original ink and ink features.
Screen-level printing can achieve Chinese painting, oil painting and advertising painting without dots. Its process:
Original gradation separation: The original is divided into several pieces by different levels of yellow, yellow, black and black. If you can divide each color into 10 levels, each color can be divided into 10 different levels of negatives.
Screen printing version: 40 film negatives, smashed into 40 screen printing plates. The requirements of the drying process for the tension of the stretcher, the selection of the screen, the application of the photoresist, the exposure time, the development, and the like should be substantially the same as those required for the screen printing to produce a fine screen.
Printing: According to the screen number of the different layers of the film, the printing is carried out in order. This printing method is called layer printing. Some people call it step printing. In fact, the layers are printed from shallow to deep. It can not only achieve the purpose of performance level, but also achieve dotless printing, can be fake, such as in France to copy ancient paintings in this way, to give real artistic value. French oil painters entrusted their oil paintings to the screen printing company. After copying and copying this method, they were signed by the painter to make them valuable.
Offset printing, gravure printing, embossing, and screen printing of the above-mentioned FM network points, because the replicas have outlets, they can't be elegant, and the prints without the dots are limited, the space is limited, the printing volume is small, etc. Gradually eliminated.
Although the woodcut watermark copy image can achieve the effect of false and false, but the production cycle is long, the printing volume is small, the cost is high, and the steps of tracing, pattern adjustment and printing are more complicated and the manual operation components are many, although the technician is an expert, each color tone It is also difficult to achieve consistency, easy color cast, and there are also inaccurate overprints and deformations.
Screen-level printing uses a computer to analyze originals, layer scan originals, and output layered negatives. The screen-printed version is printed in layers, and the copied crafts are high in precision, rich in detail, and reproducible. Compared with the dot-printed rubber products, the dot-free version of the Jurassic version and the woodcut watermark cannot be compared.