The glass screen printing technology is getting more and more perfect, and the market for glass screen printing machines is entering more and more. It can produce both industrial products and individualized products. It can also provide customers with post-press processing or special effects services, or consolidate their position in the market with different glass screen printing opportunities. However, in the face of choice, companies can not chaos, blindly follow the trend, must judge the situation, make their own judgment, this article will introduce you to the pneumatic screen printing machine accessories.
Screen printing machines are prone to failure when printing, some are unilateral reasons, but more are complicated reasons, so the operator of the flat screen printing machine should pay special attention to the cause of the failure, so as to take corresponding countermeasures.
1. Blocking, that is, the part of the image with mesh can not transfer ink during printing. This phenomenon will affect the printing quality. In severe cases, normal printing will not be possible.
The solution adopted is as follows: change the printing material that is not easy to drop powder, reduce the viscosity of the ink, thereby avoiding blocking. When selecting the ink, the weather influence should be considered, the viscosity of the ink should be appropriately reduced, and the fluidity of the ink should be improved.
2. The ink does not adhere to the substrate of the flat screen printing machine
Solution: Regularly clean the flat screen printing machine to remove oil and dust, corona and plasma on the surface of non-polar products, improve the adhesion of the ink on the surface of the screen printing machine, and replace the ink with high viscosity, when appropriate. You can add new ink.
3. Ink film edge defects, when printed with a flat screen printing machine, the edge of the saw is broken, the general quality of the screen printing plate, the edge should be smooth.
The thickness of the flat screen printing mechanism plate can be ensured by selecting a high-mesh screen and a high-resolution photosensitive material to reduce the occurrence of defects.
Glass screen printing has the potential to use larger particles of pigment and have a thicker ink layer, which will be better utilized in the future. In addition, the application of aromatic inks in the field of security printing is an eye-catching market, and this technology has been continuously developed in industrial printing. The surface effect on the matching box can be achieved by printing on a offset screen.
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