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Pad printing is one of the most commonly used printing methods. It first appeared in Europe for printing watch dials. It was introduced to China in the 1980s. It has great advantages in printing on small irregular uneven surfaces.
How Pad Printers Work?
The graphic content of pad printing needs to be engraved on the steel plate first, generally using laser engraving or etching. The transfer head, which is what we call the rubber head, is made of elastic silicone, and it will be made into different styles and sizes according to different products. The rubber head sticks the ink on the steel plate and transfers it to the product, but the rubber head will be deformed due to extrusion during the transfer printing process, resulting in the deformation of the printed pattern, so the machine needs to be checked before mass printing Stressful debugging.
Pad printing process
First pour the ink onto the etching plate (we call the printing plate with the pattern the etching plate), and then take away the excess ink by the telescopic scraper, and the remaining ink will stay in the pit of the etching plate, and the glue head will be pressed down to take it out. The ink in the pit is finally pressed to the surface of the product, and the printing is completed.
Ink curing and drying
According to the characteristics of the ink, it can be dried naturally or cured by UV light. 4.The reason why the ink falls off or the printing is not clear The ink is not suitable, or the ink that originally needs to be dried and uv cured is indeed dried naturally.Pad printing is not permanent, even the best inks will wear out over time. 5.Application of pad printing The application of pad printing is very wide, like the common itmes in our life-glass bottle,keyboard,toys,mouses,pen logo,washing panel,toothbrush handdles and so on,all printed by pad printing.Not just pad printing machine，and screen printing，hot stamping，heat transfer are widely used in plastic,stationery,toy,electronic,hardware,textile,advertisement industry.