DOI: 10.1109/itcs.2010.28
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Abstract: Thermoforming is one of the most versatile and economical processes to produce polymer products, and the key drawback is difficult to control the thickness of final products. The temperature distribution after the preheating process affects to the thickness distribution of final products. The cycle time must be decreased in order to improve the competitive power of the products, but the preheating time can not be decreased freely because of the key drawback. In this study, a new method for decreasing the preh…

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