Printing area calculation method

Assuming that the paper is not full of ink, only partially printed text or network map, how to calculate?

Here are some references to help calculate:

Larva--about 15% white paper (in other words, a page with a print size of 210295 larvae, the ink coverage area of ​​15% X0.06195m2 = 0.0092525m2) in the black - about 20% of the covered white paper .

Coarse black - about 25% of white paper.

Net map: Refer to the flat net percentage. If the picture is a high tone (light tone sub picture), it is about 20%. However, if the picture tone is darker, the flat net table is gradually increased in percentage, and can be calculated up to about 90. % of the percentage, such as night scenes or fireworks pictures, fall into this proportion.

Give an example for everyone to use as a reference:

There is a copy of the following information:

Paper: Book Paper Sheet Size: 590mmX889mm=0.52451m2 Number of Prints: 50,000 Sheets Front: There is a spot color of 0.25m2 in red, and in medium-black fonts, 70% of the full sheet of paper is printed in black ink.

Anyway: Ink black ink, medium-black fonts account for about 50% of the whole sheet of paper, the other 40% area is a network map, the picture is about 50%.

Please calculate the amount of special red ink and black ink:

A, special red ink:

0.25m2X50000 sheets of 4500m22.78kg B and black ink front: (word) 20%X70%X6.2333m2=0.8726m2 reverse side: (word) 20%X50%X6.2333m2=0.6233m2 (picture) 50%X40%X6. 2333m2=1.2466m2 Ink coverage area Total=2.7425m2 Black ink usage=2.7425m2X50,0005166.6667m2=26.54 kg Notes:

One of the above calculation modes must first consider the paper texture, ink type, and ink coverage area. Secondly, it is necessary to consider the quality of the ink, the paper's ink absorption performance, and the possible waste of the toner and cleaning. It is proposed to estimate the amount of ink according to the above formula, plus a 10% loss. Although not in the middle and not far. Finally, the control of ink volume during printing must be appropriate. The thickness of the ink or the thickness of the ink can affect the amount of ink used. In particular, a large area of ​​ink and a large number of prints are very important. The drop rate is quite significant.

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