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Geometrical and mechanical performance of multi-material fused deposition modelling

机译:多材料融合沉积建模的几何和力学性能

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One method that has been used on additive manufacturing process is fused deposition modelling (FDM). This method employs material extrusion in the form of filament to build a product. Several materials have been developed as the filament, each with its own mechanical, chemical, and thermal properties. Certain FDM machines are capable to print filaments from different materials. Although, each materials require different printing parameters. Consequently, different geometrical and mechanical properties from same design may be produced from their different printing parameters. Therefore, in order to obtain the characteristic of FDM machine output on multi-material, a comparative study is conducted. Lattice structures constructed from 3D CAD model with difference in pore configuration are printed by different filament materials on same FDM machine. We investigate the geometrical and mechanical properties of the structure, especially on the capability of the lattice structure to bear compressive load. There are 42-53% of pore dimension difference between the printed structure and the design despite material variation is used for each pore configuration.
机译:一种已经用于添加剂制造过程的方法是融合沉积建模(FDM)。该方法采用丝状形式的材料挤出以构建产品。已经开发了几种材料作为灯丝,每个材料都具有自己的机械,化学和热性能。某些FDM机器能够从不同材料打印细丝。虽然,每种材料都需要不同的打印参数。因此,可以从它们不同的印刷参数产生来自相同设计的不同几何和机械性能。因此,为了获得多材料上的FDM机器输出的特性,进行比较研究。从3D CAD模型构成的晶格结构具有孔径差异的不同丝材料在相同的FDM机上印刷。我们研究了结构的几何和力学性能,尤其是在晶格结构承受压缩载荷的能力。在印刷结构与设计之间有42-53%的孔尺寸差异,尽管每个孔构型都使用材料变化。

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