| AVS 63rd International Symposium & Exhibition | |
| Manufacturing Science and Technology | Tuesday Sessions |
| Session MS-TuP |
| Session: | Aspects of Manufacturing Science and Technology Poster Session |
| Presenter: | Kentaro Horiuchi, Aichi Institute of Technology, Japan |
| Authors: | K. Horiuchi, Aichi Institute of Technology, Japan Y. Hasegawa, Aichi Institute of Technology, Japan A. Matsumuro, Aichi Institute of Technology, Japan |
| Correspondent: | Click to Email |
Direct manufacturing process using 3D printing technologies is spreading rapidly in all fields. Many difficult problems should be overcome in order to establish 3D printing technologies as the general industrial products manufacture method. One of the representative problems is the durability or strength of the products. But now this problem is overcoming rapidly by passionate R&D for specific products, and the material stead studies with various characteristics to satisfy the requirement of each product have conducted wide fields. Furthermore, studies of 3D printing systems with superior functions of various post processes at molding simultaneously are indispensable. The particular expected functions are removal of support materials from printed products, full-color painting, and surface modification for improvement of the mechanical, electrical, chemical and biological properties. The development of removal of support materials and full-color molding have been already solved using automatic machine cutting machine and ink-jet-type paint system equivalent to the same mechanism of a printer used in the office as typical examples, respectively. On the other hand, the surface modification technologies have been applied in wide industrial field in order to control great various characteristics of hardness, wear resistance, electrical conductivity, thermal conductivity and so on at arbitrary places of metal products using vacuum apparatus. So the surface modification technologies should be necessary applied to 3D printing products using resin materials.
In this study, our unique 3D printing system with multifunctional surface modification has been developed using the conventional air brush painting technique for resin and metal products. The air brush apparatus consist of only three parts: paint flow nozzle, paint container and air compressor. So high extensibility of the function and the mechanism of the spray system, the synchronization with the printer and numerical flexibility of the air brush can be possible easily. For confirmation of our trial apparatus, the full-color painting on the surface of 3D printing products has been succeeded by mix-spraying from three air brushes with suitable spray ratio using paint of cyan, magenta and yellow. The commercial paints using a air brush or a spray gun are widely used due to improve many kinds of charming surface characteristic such as lubricity, electric property, glossiness, fireproof property, corrosion resistance, luminous color property, et cetera. Therefore we could find great attractive possibility of realization of development of the innovative 3D printer with multifunctional surface modification.