This machine is widely used in screen printing of PET, PVC, transfer paper, film, flexible circuit board, mobile phone buttons, membrane switch, non-woven fabric, trademark, self-adhesive label, aluminum foil, copper foil and other reel materials. . With touch screen, easy to operate; computer control, fully automatic electric eye alignment, repeat positioning accuracy. The secondary positioning adopts photoelectric tracking, which can be repeatedly positioned repeatedly, and the color is accurate, which can improve the printing quality; can connect various peripheral equipment, rewinding machine, cutting machine, UV dryer, die cutting machine, etc.; automatic weighing device , printing object spacing 1-0.5 (mm) to save materials. At the same time, the protection screen will not be broken by the knife. This article will introduce you how to use a fully automatic screen printing machine.
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.
There are always various fault problems in the printing process of the screen printing machine, such as manual and semi-automatic all do not operate, the power light is on, and the printing seat does not move after moving left. A fault phenomenon: when the semi-automatic time does not step on the foot switch and immediately act; the second fault phenomenon: when the semi-automatic work, the pedal switch slides down, and then rises after being released. This phenomenon is generally caused by damage or disconnection of the proximity switch on the left side of the cross slide. The solution is to replace the proximity switch or connect the switch.
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