Because the density will affect the linearization test, the density should be guaranteed first. In general, printing plate for coated paper printing requires high density of not less than 3.5, usually between 3.8 and 5.0, ensuring that the image information on the film is well transferred to the PS plate during printing. High density refers to the actual density after the film is actually washed at 100% exposure.
The film has an important position in the prepress plate, and the quality of the print has been determined when the film was released.
The core role of printing is to copy a large number of originals. The purpose is to make the textual information contained in the original quickly and correctly propagate. When the dot error is large, it will cause a great distortion of the printed image, which is particularly noticeable in color four-color printing.
The density of the film is high density and low density. This is not only related to the film, but also has a great relationship with the use of the film.
Linearization refers to the process of color separation and plate-making. It is required to ensure that the dot value set in the computer can be truly reflected on the printed film. Therefore, in the overall prepress to printing, the film bears the role of an intermediary that correctly and perfectly conveys graphic and textual information and plays an important role in the printing process. The reason for these settings is closely related to the role of the printing process and film in the entire printing process.
When you choose a film, the next thing to do is how to achieve the best output. Such as the degree of understanding of the function of the film, the setting machine, the setting of the machine, the preconditions for developing the fixing, etc.
Choosing a reputable brand often allows you to do more with less. Manufacturers who focus on brand reputation are commensurate with the quality control of the film. Users find that the card has been reported incorrectly, the film is miscut on both sides, the coating is uneven, scratches and static electricity The probability of problems such as multiple, high-density film fogging is very low, not only improving your work efficiency, but also reducing the contradictions that arise with the output quality of users. In the output of the film, the high density must be ensured. Low density refers to the density at which the film is completely unexposed after it is washed out, and is generally around 0.05. Therefore, it is very important how to select and use the film to achieve the best output. In the prepress, the fully digitized graphic and text information in the computer is transferred to the film by the RIP and the imagesetter. The graphic information on the film is transferred to the printing plate through printing. A more rigorous output center will be measured and corrected linearly every day. This is mainly due to the fact that the premise of developing and fixing the film is difficult to guarantee. The process is to transfer the graphic information on the printing plate to the printing media such as paper on the printing press by the transfer of printing ink.
The two most important parameters in platemaking are: film density and linearization.
The products of the famous international printing film manufacturers have passed rigorous testing before launch, and they are guaranteed in terms of overall quality and insecurity. The low density makes the film clear and transparent, and the quality of the printing platen is good. When newspaper newsprint paper and offset paper are printed, there are special printing requirements due to the strong ink absorption and high-speed printing, and the high density requirements are low. Take Kodak's new generation of high-temperature rapid film Gen5 film as an example, the density is not indiscriminately between 3.8 and 5.0, and the average number of customers set at home is usually around 4.2. In general, the output center should be equipped with a density meter to facilitate the measurement of the density of the film and whether the outlets are within the controllable range. Take 50% neutral ash as an example. If you require 50% of screen points on your computer, the actual measurement on the printed film must also be 50%. The network error should not exceed one network point. The production of photosensitive materials also requires many years of scientific research and production technology. If the film companies have relatively strong scientific research, production, governance, and market experience in photosensitive technology, the overall performance of the film will be fully guaranteed.
The film has an important position in the prepress plate, and the quality of the print has been determined when the film was released.
The core role of printing is to copy a large number of originals. The purpose is to make the textual information contained in the original quickly and correctly propagate. When the dot error is large, it will cause a great distortion of the printed image, which is particularly noticeable in color four-color printing.
The density of the film is high density and low density. This is not only related to the film, but also has a great relationship with the use of the film.
Linearization refers to the process of color separation and plate-making. It is required to ensure that the dot value set in the computer can be truly reflected on the printed film. Therefore, in the overall prepress to printing, the film bears the role of an intermediary that correctly and perfectly conveys graphic and textual information and plays an important role in the printing process. The reason for these settings is closely related to the role of the printing process and film in the entire printing process.
When you choose a film, the next thing to do is how to achieve the best output. Such as the degree of understanding of the function of the film, the setting machine, the setting of the machine, the preconditions for developing the fixing, etc.
Choosing a reputable brand often allows you to do more with less. Manufacturers who focus on brand reputation are commensurate with the quality control of the film. Users find that the card has been reported incorrectly, the film is miscut on both sides, the coating is uneven, scratches and static electricity The probability of problems such as multiple, high-density film fogging is very low, not only improving your work efficiency, but also reducing the contradictions that arise with the output quality of users. In the output of the film, the high density must be ensured. Low density refers to the density at which the film is completely unexposed after it is washed out, and is generally around 0.05. Therefore, it is very important how to select and use the film to achieve the best output. In the prepress, the fully digitized graphic and text information in the computer is transferred to the film by the RIP and the imagesetter. The graphic information on the film is transferred to the printing plate through printing. A more rigorous output center will be measured and corrected linearly every day. This is mainly due to the fact that the premise of developing and fixing the film is difficult to guarantee. The process is to transfer the graphic information on the printing plate to the printing media such as paper on the printing press by the transfer of printing ink.
The two most important parameters in platemaking are: film density and linearization.
The products of the famous international printing film manufacturers have passed rigorous testing before launch, and they are guaranteed in terms of overall quality and insecurity. The low density makes the film clear and transparent, and the quality of the printing platen is good. When newspaper newsprint paper and offset paper are printed, there are special printing requirements due to the strong ink absorption and high-speed printing, and the high density requirements are low. Take Kodak's new generation of high-temperature rapid film Gen5 film as an example, the density is not indiscriminately between 3.8 and 5.0, and the average number of customers set at home is usually around 4.2. In general, the output center should be equipped with a density meter to facilitate the measurement of the density of the film and whether the outlets are within the controllable range. Take 50% neutral ash as an example. If you require 50% of screen points on your computer, the actual measurement on the printed film must also be 50%. The network error should not exceed one network point. The production of photosensitive materials also requires many years of scientific research and production technology. If the film companies have relatively strong scientific research, production, governance, and market experience in photosensitive technology, the overall performance of the film will be fully guaranteed.
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