When making screen printing plate, plate making precision mainly related to the following several factors.
1, silk screen, including the use of the number of the kinds of wire mesh, wire mesh height, thickness, screen the size of the open area of the wire diameter, wire mesh weaving method of expansion rate and the size of the screen, and the color of the wire mesh, etc.
2, net frame, including the net frame of the material, the size of the screen frame size and the strength of the net frame, etc.
The size of the 3, tension.
4, network perspective the choice of tense.
5, screen frame and screen bonding method.
6, silk screen before processing.
7, photographic materials, including the discretion of the discretion of sensitivity, resolution, adhesion of photographic materials, photographic film thickness expansion rate, coating thickness and coating hardness, water resistance, solvent resistance and frictional resistance and resistance rate of printing.
8, sensitizer, blending time, the time for placement after blending.
9, sensitizer coating method.
10, drying methods and conditions, including drying temperature, humidity and drying time.
11, plate burning, including type, length of exposure time and light source used substrates in exposure with the distance of the light source, etc.
12, the density of photographic plate blank.
13, akira aspects, including, akira methods: water shows clear, warm water show show akira akira, drug;Show akira conditions: temperature, soaking time, the kinds of sprinkler and use, etc.
After 14, akira drying temperature and time.
15, the exposure time of a second choice.
16 and retouching.
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