Evaluation of Assemblability by Mechanical Analysis in a 3D Block Printer

Sugimoto, Chiharu; Maeda, Yusuke

doi:10.1299/jsmermd.2018.2a1-h18

Cited by 1 publication

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“…Since our current assembly planning depends on empirical evaluation of assemblability, it is difficult to use building blocks of various sizes. Sugimoto and Maeda developed a technique to evaluate an assemblability of block mechanically (Sugimoto and Maeda, 2018), which would lead to reliable assembly planning with various blocks. We should also deal with larger blocks such as 4 × 2 or 8 × 2 in order to assemble larger scale models rapidly.…”

Section: Discussionmentioning

confidence: 99%

Robotic additive manufacturing with toy blocks

et al. 2020

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We study a block type 3D printer that performs assembly of toy block from 3D CAD models. In this system, a 3D CAD model is automatically converted to a block model consisting of primitive shapes of toy blocks. Then a feasible assembly plan of the block model is also generated automatically. According to the assembly plan, an industrial robot assembles a block sculpture layer by layer from bottom to top. This approach has advantages in terms of reusability of materials and easiness of combining multiple materials, which are difficult for conventional 3D printers. We introduce a technique to determine the order of block placement to assemble various patterns of block models reliably. The technique includes converting unassemblable shapes in the model to assemblable ones with support blocks and/or decomposition into subassemblies. In addition to this, we implement a robot control system to automatically generate a desired sculpture stably according to the determined placement order. Experiments of assembling toy block models are demonstrated. The results show that our system can assemble various block models.

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Section: Discussionmentioning

confidence: 99%