The objective of the project is to find out the quality of the print medium raft consolidated PET plastic and PC using the shape and strength of the different rubber pad. By trial start from education, information, and processes the rubber pad. Define shapes and hardness of rubber pad used in the experiments. By rubber pad used in the experiment is divided into 3 shapes and each shape can be split into 3 hardness range quality trials on PET plastics and molds for PC to test the quality of their work in various aspects is the contrast of straight lines. Letter curves. Huge grain of solid surfaces roughness, prints from the results of the experiment found that the rubber raft, Shape the Cone shape darup hardness 3 – 7 A Shore can print out the print quality is good and the quality of the job printed on plastic, the most appropriate. Which will have the characteristics of rubber spikes high. The print quality is clearer and less bubbles. This experiment will help PET plastic top and PC printer has improved the quality of their work and be used as a guide in choosing the company raft rubber. o Bangkok Corporation co., Ltd.
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