The objective of the project is to find out the quality of the print job statements Patrick inspired through the PC and PET use, shape and hardness of the rubber raft only completely different. By starting from the study data and trial process rubber pad. Define the shape and hardness of the rubber raft used in experiments. By rubber raft used in experiments are divided into 3 shapes and each shape can be divided into three hardness ranges range tried printing on plastic and PET molds to PC to test the quality of the print job is in the contrast of straight lines. The letter curves. Pigment screen printing of image smoothness and solid surfaces from the trial results showed that rubber raft darup C shape that looks like a rubber ball, Patrick's high pitched and published, To print out the best print quality, the most appropriate. The second is a rubber raft darup B shape that has the characteristics of high peaks and to rounded, and the third is A rubber raft darup shape that resembles a horizontal cut, there is no amount of high impact print quality and low hardness rubber raft, and publishes the results of job quality, printed on plastic, the most appropriate. Is hardness Shore A, 10 – 14 printing quality in terms of sharpness and the little bubbles. This experiment will help the PET plastic and printer work on PC is better, and the quality of their work is to select use the rubber raft together with company a. t.-o Corporation co., Ltd., Bangkok.
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