The carton industry itself is a fiercely competitive and weakly profitable industry, so every link must do a good job of cost control. As the final part of carton production, the maximum use of printed plates in use is naturally also of concern.
The printing plate will wear out during use. When it is worn to a certain extent, it needs to be scrapped and re-made. But there is a situation that often happens, a small hole appears on the printed layout, this version is most likely to appear on the full version or ribbon. Once these versions are replaced, the cost is quite high. So is it possible to patch and continue to use it?
Reason for generation
Why do small holes appear in the printing plate during the printing process? Generally, hard objects get stuck on the printing plate during the printing process. When printing over a period of time, the hard objects fall and cause small holes in the printing plate. The printed product will have a white spot after the small hole is created.
Remedy
1. Commonly used: place a tape or hard object on the back of the printing plate, such as using a flat wire, cut the flat wire and knock it flat, pad it under the small hole, and then use the tape to fix it for printing. During printing, because there is wire under the hole, the hole will be pushed up, and the pressure will be increased, so that the printing will not produce whiteness.
2. Not commonly used: Dissolve the resin that has not been exposed to light, and fill the hole with a drip method to smooth the coating, so that the printing plate can continue to be used. Because the resin is sticky after dissolving, the resin will be incorporated into the resin plate, just like the skin will heal after a person is injured.
Editor
These two methods to remedy the printing plate are more commonly used in the industry. Making cartons does not make money, and can only be saved from the production of materials to reduce production costs.
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