Under the great wave of China's intellectual creation, HC Machinery Industry Network will hold the “Smart Future – 2016 Machinery Industry Summit Forum†on February 16, 2017. This year's ceremony will invite experts in the industry to the machinery industry. Carry out omnidirectional and multi-angle analysis, and strive to find new development points in the machinery industry in the era of the Internet, and provide useful information for the future planning of enterprises. This article will introduce you to the glass 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 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.
Sanjingmu automatic roll-to-roll screen printing machine is widely used in PET, PVC, transfer paper, film, flexible circuit board, mobile phone buttons, membrane switch, non-woven fabric, trademark, self-adhesive label, aluminum foil, copper foil Screen printing of the web material. Easy to operate with a touch screen. Computer control, fully automatic electric eye alignment, repeatable 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; the automatic tracking device of the screen automatic edge chasing system (ie CCD automatic alignment system), the printing object spacing 1-0.5 (mm) To save material. At the same time, the protection screen will not be broken by the knife. With static elimination device, dust removal device. It is equipped with automatic tear film and film coating device. The printing speed can be set freely, the number of printed sheets can be calculated, and the number of sheets can be automatically stopped; the precision linear slide and the ball screw are used. Driven by servo motor. The frame can be fine-tuned and positioned (maximum adjustable value ±10mm) to facilitate the maintenance of the screen and scraper. Loading and unloading the screen is convenient. When the coil material is increased, the receiving speed can be automatically reduced to ensure the edge of the material roll. IR hot pressing drying system adopts central heat source and hot air circulation to ensure that the printed products are evenly heated without deformation; it can be connected with various peripheral equipment, rewinding machine, cutting machine, UV dryer, die cutting machine and so on.
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