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彩色胶印印刷品检查有哪些事项?

一、外观

One, appearance

外观是首要的,必须版面干净,无明显的脏迹;其次是色调,应基本一致;然后是文字,应完整、清楚,位置准确;最后是尺寸要求,精细产品的尺寸允许误差要小于0.5mm,一般产品的尺寸允许误差要小于1.0mm。

The appearance is the first, the layout must be clean, no dirt; second is the color should be consistent; then the text shall be complete, clear, accurate location; finally the size requirements, fine product size allows the error should be less than 0.5mm, the general product size allows the error to be less than 1.0mm.

二、层次

Two, level

各阶调应分明,层次清楚。

Each order should be clear and clear.

三、套印

Three.

多色版图像轮廓及位置应准确套合。精细印刷品的套印允许误码差小于等于0.10mm,一般印刷品的套印允许误码差小于等于0.20mm.

The contour and position of the polychromatic image should be fitted correctly. The printing of fine print allows error code difference equal to equal to 0.10mm, and the printing of general print allows error code difference less than equal to 0.20mm.

四、网点

Four.

网点作为印刷的基本单元,应清晰,角度准确,不出重影。50%网点的扩大值,精细印刷品为10%-20%;一般印刷品为10%-25%。

As the basic unit of printing, the dot should be clear, accurate, and no heavy shadow. The expanded value of the 50% network, the fine print is 10%-20%, and the general print is 10%-25%.

五、颜色

Five. Color

颜色应符合原稿,真实,自然,丰富多彩。指标应包括两方面;一是同批产品不同印张的实地密度允许误差,青(C)品红(M)小于等于0.15黑(BK)小于等0.20,黄(Y)小于等0.10;二是颜色符合印刷样品

Color should be in line with the original manuscript, true, natural, and colorful. The index should include two aspects; one is the same batch of products of different printing solid density error, green (C) Pin Hong (M) is less than or equal to 0.15 and less than 0.20 black (BK), yellow (Y) is less than 0.10; two is in line with color printing sample

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