Second, the instrument color method
With the further development of science and technology, ink color matching also has corresponding color matching instruments, so that the color matching work is carried out within a certain range of accuracy, and the color matching speed and correction times are reduced. The color matching of the instrument is based on various instruments, and after the precise determination of various color matching results, the color matching rule is found out, and a series of curve charts are drawn as the reference for the color matching. When measuring colors, you only need to determine certain features, you can find the proportion of the original color ink from various types of charts, or you can know the color matching components through simple calculations. Instrument coloring includes color measurement, batching, blending, ink scraping, comparison, and evaluation.
First, the spectrophotometer, colorimeter, and color analyzer are used to analyze and compare the measured spot colors, and the color parameters are measured. Color parameters can be represented by X, Y, Z, or L*a*b* (a color system, where L* is the psychometric brightness; a*b* is the psychometric color). Then, according to the characteristics of the color, the constituent ratios of the primary colors and the auxiliary materials are preliminarily determined, and then the primary color ink and auxiliary materials are mixed evenly with a stirring machine. In the assessment, the original and the color of the prepared spot color ink are quantitatively tested (usually only the color difference meter or the colorimeter can finish the job), and the color difference or other indexes are calculated, and the formula is further revised until it is satisfied.
(to be continued)
With the further development of science and technology, ink color matching also has corresponding color matching instruments, so that the color matching work is carried out within a certain range of accuracy, and the color matching speed and correction times are reduced. The color matching of the instrument is based on various instruments, and after the precise determination of various color matching results, the color matching rule is found out, and a series of curve charts are drawn as the reference for the color matching. When measuring colors, you only need to determine certain features, you can find the proportion of the original color ink from various types of charts, or you can know the color matching components through simple calculations. Instrument coloring includes color measurement, batching, blending, ink scraping, comparison, and evaluation.
First, the spectrophotometer, colorimeter, and color analyzer are used to analyze and compare the measured spot colors, and the color parameters are measured. Color parameters can be represented by X, Y, Z, or L*a*b* (a color system, where L* is the psychometric brightness; a*b* is the psychometric color). Then, according to the characteristics of the color, the constituent ratios of the primary colors and the auxiliary materials are preliminarily determined, and then the primary color ink and auxiliary materials are mixed evenly with a stirring machine. In the assessment, the original and the color of the prepared spot color ink are quantitatively tested (usually only the color difference meter or the colorimeter can finish the job), and the color difference or other indexes are calculated, and the formula is further revised until it is satisfied.
(to be continued)
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