3Dプリンター造形時のインフィル構造変化における機械特性評価

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  • Evaluation of mechanical properties of infill structures change during 3D modeling

説明

<p>By products with a 3D printer, modeling of complex shapes is possible based on the data obtained by 3D CAD and 3D scanner. In recently, 3D printers are actively used for products from the stage of being used for prototyping. Therefore, we have focused on the filling rates and infill structures for 3D printing products. There are cavities in the shaped object, and the mechanical properties of the object change depending on infill structures and filling rates. Our purpose of this study is to evaluate mechanical characteristics for infill formation conditions due to create an important database in future. Conventional tensile test and three-point bending test were performed using typical types of materials, ABS resin, PLA resin, and Primalloy (Mitsubishi Chemical Co., Ltd. ). The test pieces used the dumbbell shape based on JIS.K7161. In the three-point bending test, we tested from both side of flat surface and edge side to the stacking direction. It was found that an increasing of the filling rates leads to an increasing of mechanical properties. Summarizing results of all test conditions, it was cleared that the tendency of the mechanical properties of bending from two directions was different in the all materials. The tendency of mechanical properties was different depending on different kinds of material. From our results, we considered it to these databases will be great important for products of large field using 3D printers. Finally, we hope that our study contributes to innovative industry in the near future.</p>

収録刊行物

  • 年次大会

    年次大会 2019 (0), S04204P-, 2019

    一般社団法人 日本機械学会

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