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Characterization of the mechanical properties of samples fabricated by an experimental SGM device

机译：通过实验性SGM设备制造的样品的机械性能表征

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摘要

Purpose - The purpose of this paper is to study the effect of different parameters (layer thickness, jetted binder volume per layer and type of binder and temperature) on the mechanical properties of parts made with an experimental 3D printing (3DP) process. This 3DP device built for this project is based on the spiral growth manufacturing (SGM) device previously introduced by Hauser et al. at The University of Liverpool. It differs from the common 3DP in that it generates the different parts using only one rotating piston instead of two non-rotating ones. Design/methodology/approach - Several parts are produced using this device according to an experimental design, repeating each run three times. The experimental machine is able to make every part needed without major issues, demonstrating that it is possible to build a functional device using common and standard components. Findings - Experimental analysis of the printed parts shows that the layer thickness has the highest effect on apparent density, hardness and fracture strength of the parts made. Originality/value - Empirical information is provided about mechanical behavior (e.g. apparent density, hardness and fracture strength) of parts made under different processing factors (e.g. binder type, layer thickness, quantity of binder and chamber temperature) using a SGM-based 3DP experimental device.
机译：目的-本文的目的是研究不同参数（层厚度，每层喷射的粘结剂量以及粘结剂的类型和温度）对通过3D打印实验（3DP）工艺制成的零件的机械性能的影响。为此项目构建的3DP设备基于先前由Hauser等人介绍的螺旋生长制造（SGM）设备。在利物浦大学。它与常见的3DP不同，它仅使用一个旋转活塞而不是两个非旋转活塞来生成不同的零件。设计/方法/方法-根据实验设计，使用该设备生产了多个零件，每次重复三遍。该实验机器能够制造所需的每个零件而没有重大问题，这表明可以使用通用和标准组件来构建功能设备。研究结果-对印刷零件的实验分析表明，层厚对制成零件的表观密度，硬度和断裂强度影响最大。原创性/价值-使用基于SGM的3DP实验提供有关在不同加工因素（例如粘合剂类型，层厚度，粘合剂数量和腔室温度）下制造的零件的机械性能（例如表观密度，硬度和断裂强度）的经验信息。设备。

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