The automatic screen printing machine is a precision automatic screen printing machine for the printing factory. Daily maintenance is very important. Because routine maintenance can ensure that your automatic screen printing machine works in the best state, so that the products you print with the automatic screen printing machine will be the most beautiful, the smallest color difference. If you don't do the maintenance of the automatic screen printing machine, even if the best equipment is used for you, your printed matter is likely to have problems frequently, and you may lose many of your customers. The first is to purchase advanced automatic screen printing machines from large factories. How to maintain the automatic screen printing machine in peacetime? This article will introduce you to the screen printing machine printing process.
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.
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, and 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 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 rail 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 the 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, etc.
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