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Proceedings of CAD'17, 2017, 247-251
Modification Method of Drawn Design on Decorating Film/Shrink Film for Obtaining Distortion-Free Design

Shoko Fujii, Ruka Suzuki, Hideki Aoyama, Keio University
Yukio Mori, Nanjo Sobi Kogyo Co. Ltd.

Abstract. Due to advancements in the production engineering of industrial products, there has been no appreciable difference in the performance of similar products.  Appearance is considered an important factor for increasing the discrimination between products. Thus, the importance of decorative techniques in the manufacturing of products has increased in recent years. Decorative techniques can improve the appearance of products. Plastic is an important material in product design because it easily transforms, is very light, and has multifarious structural characteristics; however, it gives the customer the impression of a cheap product. Therefore, decorative techniques are also applied to plastic products. At present, film is predominantly used in decorating plastic products, particularly, decorating film and shrink film. Decorating film is inserted into a mold, heated, and then unified with resin. Shrink film is wrapped around a product, heated, and then stuck onto the plastic products. However, the film could get deformed and the design image on the film could become distorted during the forming processes. The design that has been distorted in the forming processes will be different from the design that the designer requires.

Keywords. Decorating Film, Design Modification, Injection Molding, Shrink Film

DOI: 10.14733/cadconfP.2017.247-251