Modern screen printing machines generally consist of mechanisms such as plate loading, ink application, embossing, and paper feeding (including folding). It works by first making a plate and image to be printed on a printing press, then applying the ink to the place where the text and image are printed on the printing plate by hand or by a printing machine, and then directly or indirectly Printed on paper or other substrates to replicate the same print as the plate, this article will introduce you to what the screen printer does.
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 serious 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, so as to avoid blocking. In the selection of ink, the climate 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 ink on the surface of the screen printing machine, and replace the ink with high viscosity. 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.
By selecting a high-mesh screen and a high-resolution photosensitive material, the thickness of the flat screen printing plate can be ensured to be uniform, and the occurrence of defects can be reduced.
The fine-printing JY-400P flat screen printing machine is a small flat screen printing machine with small size, fast running speed and stable performance. It can form a silk screen production line in a small workshop space. This product is suitable for precision graphic printing of various materials. Such as: metal, glass, ceramics, plastic, wood, leather and other materials. Widely used in: electronics, advertising, packaging and printing, sports equipment, toys, stationery and other industries.
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