Hong Kong CTP application situation and development trend
The development and application of CTP in Hong Kong has been more than 10 years to reach a stage of very mature and popularization. It used to be used only by large printing companies, and many small and medium-sized printing companies now use it. Because CTP can further computerize and automate the prepress department, which can reduce output time and increase productivity, many printing companies now have multiple CTPs. As for small printing companies that mainly produce monochrome products (such as clothing labels and manuals), the traditional film-making process is still used.
In addition, many output centers used to have only the output and drafting services of the film. Later, with the addition of CTP and digital proofing equipment, the service became more diversified. As CTP technology matures and improves, and the price is cheaper, more and more Hong Kong printing companies purchase CTP and other related equipment, develop their own output department, do not need to rely on the output center, so that the output center that has developed rapidly is mostly Printing companies annexed. Despite this, many powerful output centers continue to operate, and are developing digitally, providing CTP and digital drafting output for small printing companies, and the quality of products is relatively improved.
CTP demand increased, buyers have changed their eyes
CTP is widely used in printing companies for three main reasons:
First, the CTP technology is mature, which makes users more confident;
Second, the customer's requirements have increased so that the printing company has to use CTP;
Third, regardless of CTP machine or plate, the price has been lowered in recent years, more user acceptance.
When buyers buy CTP machines, they will pay attention to the durability and stability of the machine, or the use of heavy light sources and the after-sales service provided by the suppliers. It is rare to carefully analyze the machine structure of each supplier as before. When choosing a light source, it is nothing more than thermal, violet laser and UV, and users often pay more attention to whether the CTP machine can use the free-free plate, whether the flush-free plate will have a big gap with the traditional CTP plate. .
As for other kinds of CTP machines, such as inkjet CTP machines, Hong Kong printing companies have already conducted production tests, and it is expected that this technology will have certain development in the future.
Plate development and impact: no-rinse and waterless printing <br> In recent years, the world has begun to pay attention to environmental protection, environmentally friendly plates have emerged. This type of plate not only meets green printing, but also reduces costs and increases the demand for flush-free CTP. There are currently environmentally-friendly plates that are compatible with light-sensitive and heat-sensitive flush-free or water-free rinses. However, due to the limited choice and supply in Hong Kong, the current usage rate is not high. Free-floating or drug-free rinsing plates have various benefits, such as shortening the stenciling time and making the production faster during the production process; because of the lack of chemical treatment, the effect of chemicals on the plate is reduced and the effect is improved. The image of the image on the plate. In addition, these plates are also more convenient and simple to use. In the traditional CTP plate process, the plated syrup generally needs to have stable temperature and electric value, but the rinsing-free or drug-free rinsing plate has low or no requirements.
At present, many media suppliers have introduced low-chemical, water-free or rinse-free plates that can be applied to thermal or violet laser CTP, so that CTP users can enjoy without the need to purchase new machines or accessories. No flushing benefits. These plates are mainly divided into three categories: low chemical treatment, chemical-free water washing and no-rinse, and there are some differences in handling different plates. The low-chemical processing plate is closer to the traditional CTP plate material, but the chemical composition of the used syrup is greatly reduced; the medicated water-free rinsing plate is more environmentally friendly, the sizing solution does not contain chemical agents, and even only needs to be rinsed with water; the flush-free version The material, as its name suggests, does not require any processing after laser imaging and can be used directly on the press.
In addition to the maturity of the development of free-cleaning plates, another technology, the waterless printing plate, deserves everyone's attention. Waterless printing is not a new technology, but because there are not many suppliers on the market and the need for printing presses (such as refrigeration systems), this technology has not been widely used. However, the use of waterless printing has several advantages, such as reducing the ink balance problem in offset printing, reducing printing preparation time and paper waste; in terms of quality, the waterless printing gravure structure can increase the printing ink density and reduce The dot enlargement rate makes the image more delicate. If the waterless printing technology can continue to develop, it will become the main force of environmental printing. In fact, many years ago, printing companies in Hong Kong used this technology to conduct comprehensive production. All aspects were effective, and several large printing companies are testing this technology in the near future.
FM screening technology and CTP
The CTP production process not only brings environmental and economic benefits to users, but also enhances product quality. Nowadays, the commonly used CTP system has a general resolution of about 2400 to 2540 dpi, while the newer system can reach 4000 dpi. The quality of the network is accurate and the level is good. For the rapid development of outlets, more users choose to use FM screening technology, and this technology must use CTP, which also promotes its application.
Compared with AM screening, FM screens have relatively low resolution requirements for the original image, which speeds up the output, but can still print beautiful prints with significant improvements in level performance, color contrast and saturation. . In addition, suppliers have made a lot of efforts in network outlets, such as the introduction of different secondary frequency modulation network technology, hybrid screening technology, high-precision network technology, etc., so that more printing buyers and printing companies use. Although FM screening has many advantages, in the production process, the user also needs to perform quality control and verification at the output, otherwise it will easily lead to the loss of the network.
Printing Standardized CTP Applications <br> For users with CTP systems, in addition to using advanced technology, it is also necessary to cooperate with good production management to meet international printing standards. In recent years, different standardization systems have been implemented, such as G7, Forga/Ugra PSO, GMI, etc. The ISO/TC130 organization also promotes different printing standards. In recent years, with the active promotion of printing buyers and organizations, the number of companies that have achieved different standardization certifications in Hong Kong in the past two years has steadily increased.
Standardization provides the correct output, color and production criteria. The industry can refer to relevant documents and data to develop corresponding production procedures and requirements for all departments of the enterprise to achieve a stable output production process. Stable production processes can speed up production and easily identify the cause when problems are encountered. Standardization will be the direction of future development of printing, and to achieve these standards, CTP is an essential tool.
CTP drives the development of digital drafting technology
The mature development of CTP has made the configuration of the weekly development also rapid. For example, there are many types of digital proofing systems, some have built-in automatic color calibration, some are based on international standards, some use remote control schemes, and users can press their own Need to buy. Hong Kong's digital manuscripts mainly use inkjet technology, but recently many manufacturers have purchased digital presses and used them for proofing and production. These digital presses use electrostatic photography (or toner technology). Print 60 to 80 A4 prints in one minute. The current technology is developing rapidly. The color of these digital presses has been able to simulate the effects of traditional four-color printing, allowing some printing companies to pay for eager drafting requirements.
With the increasing demand for short-run printing, printing companies use digital printing machines to print, and use them as short-run printing to increase profits for the company. Since digital printing does not require a plate, it may pose a threat to the market for fine-grained CTP systems and media. In the fierce competition, printing companies are demanding cost-effectiveness, and the demand for full-size CTP is increasing. Some large and medium-sized printing companies in Hong Kong have installed Daquan Zhang's printing presses and CTP systems.
With the maturity of CTP technology, users can easily enjoy high-quality output; with quality hanging you and enhance production efficiency, I believe that printing quality can be raised to a higher level.
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