Technology appeared in the nineteenth century eighties. This period is To plate Early stage technology research. So in the meantime, both technical quality or plate, not very mature. To the nineties, equipment manufacturers and printing closely with manufacturers to accelerate the pace of the technology research and development, and in this period reached a level of maturity and industrial applications. Thus, in the Drupa printing exhibition in 1995, 42 species exhibited CTP Systems .
The move immediately aroused the printing industry's strong focus on the technology. In between 1995-1997, there were many large-scale printing company with a CTP system, the direct plate-making process, but due to CTP in the meantime is still very expensive, so limiting the technology to use in the small and medium enterprises and promotion. During the period from 1997 to 1998, CTP drop the price substantially, and to plate Plate Began to mature and develop, so a large number of small and medium printing technology to start and use the CTP. For the printing of the situation, the development of the machine format, including off, 8 open, 16 open range. According to statistics, the United States in 1997, 65% of large printing (more than 100 employees) using the CTP technology. According to the U.S. authorities GATF Printing Technology Survey, from 1995-2000, the world has been installed and is expected to install the CTP system is as follows (with newspaper printing industry to use the CTP system, including the eight open, off, turn the whole total) :
1995 years: 311; 1996: 721; 1997: 1686; 1998: 3100; 1999: 6200; 2000: 12,150.
From this set of data appears, CTP speed of IT applications to more than double the growth rate per year was. From 1995 to the period of 1998 3, the growth rate as high as 10 times.
CTP system, why can such an alarming rate in the popularity of user groups, in addition to its good plate properties and canceled applications merits of film, CTP technology to expand scope of application is also a very major one of the reasons. Currently on the market for large format platesetter can, small format printing size, single-color printing and color printing, newspaper printing and Commercial Printing And other circumstances. Therefore, very flexible to use.
Moreover, in recent years, the development and improvement of plate speed very quickly. CTP equipment prices decline significantly within five years, contributed to the rise and development of the market. Currently, 8 boot from the previous $ 400,000 reduced to $ 150000 - $ 200000 between the models has also been dropped off around $ 400,000.
U.S. public opinion rating: CTP is an inevitable technological revolution, it will replace the typesetting technology, like 5 years ago to replace electrical extension was imagesetter the case.
1998 6 NEXPO98 USA co-sponsored the exhibition, a total of 11 companies exhibited their CTP system. But did not affect the company introduced a new Laser imagesetter And related technologies. This fully shows the manufacturers of the CTP technology is no longer hesitated, has entered the practical stage.
II Classification of CTP platesetter
Present, CTP platesetter generally divided into internal drum, external drum, flat, curve-type four categories. In these four types, the most used is the inner drum and outer drum; flat major for newspapers and other materials on a large format version; curve type to use very little. According to statistics, in 1997, from 29 manufacturers offer 58 kinds of CTP machine, there are 24 species within the drum, external drum 16 species, there are nine kinds of flat, there are nine kinds of curve type. In these forms, the outer drum gradually become mainstream.
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