The understanding of ink presetting techniques helps to apply the printing tools correctly. Since the ink preset provides accurate ink information and has been adjusted in advance, since the printer has a good ink balance, is it not necessary for the operator to adjust the printing?
Ink presetting is not a "precision" printing tool. Ink presetting is based on a mathematical simulation method and converts the digitized image description information of the prepress layout into the ink key information printing alliance through a certain algorithm. This requires the process of partitioned ink coverage calculation, ink key value correction, and ink fountain roller speed correction. All these processes are the printing market under the control of a standard mathematical formula.
As the printing press is a simulation device, the actual ink demand for printing will always change with the changes in the relevant environmental factors, such as raw materials, temperature and humidity, press adjustments and other equipment consumables. Corresponding to a simulated device with a mathematical standard algorithm, it is impossible to completely correspond to these variable factors. In addition, the printing ink division principle and the characteristics of the ink roller series, determines the ink supply and the corresponding part of the ink coverage is not completely corresponding, such as the adjacent two ink zone ink key opening can not be too different Otherwise, it will restrict each other; if the ink fountain roller speed is given in relation to the status of the current printing press and raw material characteristics, it is more of an empirical numerical printing tool. All these make the conversion relationship from the ink coverage to the ink key opening degree impossible to be absolutely accurate. The accuracy of the calculated ink coverage and the actual ink key amount is only 40%, and after correction, it is increased to about 80%. technology. The remaining 20% ​​need to modify the equipment consumables before or after starting the machine according to the status and layout of the printing press.
It should be said that this 20% correction is still an adjustment to the layout of the ink, which will still affect the printer's ink balance state equipment supplies. The ink preset only increases the speed of the ink balance and reduces the difficulty of maintaining the ink and ink balance, but it is not necessary to always pay attention to the middle printing of ink and ink balance.
In addition, ink preset can be understood as including "pre-" and "set" two processes, "pre-" means that you can pre-set according to the layout information on the printer ink key settings, this process requires prepress data support , ink volume calculations and correction software to calculate, get the relative amount of ink before the boot, roughly equivalent to CIP3 technology in the CIP3 export software and printing press CIP3 ink preset workstations to do work supplies market.
The “set†of the ink preset is to automatically or manually adjust the ink key according to the above information, which is roughly equivalent to the process of importing the ink preset information into the ink adjusting table with data interface, or manually adjusting the equipment according to the above information. Consumables. It can be seen that the concept of ink preset focuses on "pre-printing." Providing advance and accurate adjustment support for the printing press is the core material of the ink presetting technology. The “set†of the ink preset is the requirement of the data interface capability of the printing press. The printing machine without the data interface is also a central printing that can be achieved through manual adjustment.
Ink presetting is a closed and automated presetting process. People always place their cores on the printer interface, that is, on the “set†process, which to a certain extent limits the rapidity of the ink presetting technology. Popular equipment supplies. If there is a system that has prepress data export and calculation correction functions, it is also entirely possible to realize ink presetting in Central China. It should be noted that CIP3 is just one way to achieve ink presetting rather than all equipment consumables.
Ink presetting is not a "precision" printing tool. Ink presetting is based on a mathematical simulation method and converts the digitized image description information of the prepress layout into the ink key information printing alliance through a certain algorithm. This requires the process of partitioned ink coverage calculation, ink key value correction, and ink fountain roller speed correction. All these processes are the printing market under the control of a standard mathematical formula.
As the printing press is a simulation device, the actual ink demand for printing will always change with the changes in the relevant environmental factors, such as raw materials, temperature and humidity, press adjustments and other equipment consumables. Corresponding to a simulated device with a mathematical standard algorithm, it is impossible to completely correspond to these variable factors. In addition, the printing ink division principle and the characteristics of the ink roller series, determines the ink supply and the corresponding part of the ink coverage is not completely corresponding, such as the adjacent two ink zone ink key opening can not be too different Otherwise, it will restrict each other; if the ink fountain roller speed is given in relation to the status of the current printing press and raw material characteristics, it is more of an empirical numerical printing tool. All these make the conversion relationship from the ink coverage to the ink key opening degree impossible to be absolutely accurate. The accuracy of the calculated ink coverage and the actual ink key amount is only 40%, and after correction, it is increased to about 80%. technology. The remaining 20% ​​need to modify the equipment consumables before or after starting the machine according to the status and layout of the printing press.
It should be said that this 20% correction is still an adjustment to the layout of the ink, which will still affect the printer's ink balance state equipment supplies. The ink preset only increases the speed of the ink balance and reduces the difficulty of maintaining the ink and ink balance, but it is not necessary to always pay attention to the middle printing of ink and ink balance.
In addition, ink preset can be understood as including "pre-" and "set" two processes, "pre-" means that you can pre-set according to the layout information on the printer ink key settings, this process requires prepress data support , ink volume calculations and correction software to calculate, get the relative amount of ink before the boot, roughly equivalent to CIP3 technology in the CIP3 export software and printing press CIP3 ink preset workstations to do work supplies market.
The “set†of the ink preset is to automatically or manually adjust the ink key according to the above information, which is roughly equivalent to the process of importing the ink preset information into the ink adjusting table with data interface, or manually adjusting the equipment according to the above information. Consumables. It can be seen that the concept of ink preset focuses on "pre-printing." Providing advance and accurate adjustment support for the printing press is the core material of the ink presetting technology. The “set†of the ink preset is the requirement of the data interface capability of the printing press. The printing machine without the data interface is also a central printing that can be achieved through manual adjustment.
Ink presetting is a closed and automated presetting process. People always place their cores on the printer interface, that is, on the “set†process, which to a certain extent limits the rapidity of the ink presetting technology. Popular equipment supplies. If there is a system that has prepress data export and calculation correction functions, it is also entirely possible to realize ink presetting in Central China. It should be noted that CIP3 is just one way to achieve ink presetting rather than all equipment consumables.
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