Screen printing consists of five major elements: screen printing plates, doctor blades, inks, printing tables, and substrates. Screen printing equipment is simple, easy to operate, print and plate, low cost and highly adaptable. Screen printing has a wide range of widely used prints, such as color oil paintings, posters, business cards, decorative covers, commodity signs, and printed textiles.
The field of screen printing screen application is very wide. The detailed process of plate making is as below:
Steps:
First, use the magnifying glass to align the warp and weft of the wire mesh, and the lines should be parallel to the wire
mesh. (Note: especially lines and characters)
Put the calibrated net into the exposure machine, adjust the time, and turn on the switch of the exposure machine after vacuuming.
Note: If the exposure time is too short, it will cause the photoresist to fall off easily, the lines become thick, the solder mask points are not strong, the character number is not strong, etc .; while the long exposure time will cause quality accidents such as incomplete development or thin lines happened. Therefore, it is particularly recommended that accurate exposure time comes from scientific practice. Before production, be sure to use an exposure slide rule to measure the exposure time, and then fix the exposure time. Do not do things blindly.
The key points of precise plate making technology are very important before screen printing. We need to be very careful to standardize operations.
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