In the printing shop, the reflection density meter can be used for:
1. Analyze the quality of the offline proofing and printing proofs provided to determine whether they meet the standards or specifications.
2. Analyze the materials purchased in the printing workshop (such as ink and paper).
3. Determine the performance of the printing press * (Note: The measurement during the printing process should be regarded as an instantaneous situation in the printing operation, and it should be adjusted only when a clear trend is noticed. Short-term, periodic changes may be The unstable performance of the blanket, or the reasons for the different batch numbers of ink and fountain solution, or various temporary factors. The long-term change or drift of the printed product may be the change in the absorption of the paper and the wear of the printing plate Or caused by the adjustment of the printing press.)
The density meter can be used to evaluate some properties of the printed matter, such as the color consistency between the printed sheet and the printed sheet; the color consistency from left to right on the printed sheet; the dot gain and the degree of blur; the thickness of the ink film; The degree to which the color matches the production printing. This information can be used as a basis for fault finding and statistical process control.
4. Analyze the dot gain information on the signal bar, adjust the printing volume of the ink, monitor the consistency of the ink and fountain solution, and check the conditions of the printing plate with the indicators of blocking and floating color.
Throughout the printing process, density meters allow printing professionals to communicate process information based on objective numbers and the necessary subjective and descriptive expressions. The numerical value is the key to facilitate communication of print quality and control of production process. For such uses, the density value must be based on a common definition, such as Status T.
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