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基于3D打印碳聚醚醚酮的单片弹簧的设计优化与有限元分析

Design Optimization and FE Analysis of 3D Printed Carbon PEEK Based Mono Leaf Spring.

作者信息

Kessentini Amir, Mohammed Sayeed Ahmed Gulam, Madiouli Jamel

机构信息

Department of Mechanical Engineering, College of Engineering, King Khalid University, P.O. Box 9004, Abha-61413, Asir, Saudi Arabia.

Laboratory of Electromechanical Systems (LASEM), National Engineering School of Sfax, University of Sfax, Route de Soukra km 4, Sfax 3038, Tunisia.

出版信息

Micromachines (Basel). 2019 Apr 26;10(5):279. doi: 10.3390/mi10050279.

DOI:10.3390/mi10050279
PMID:31035522
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6562686/
Abstract

In this research work, design optimization and static analysis of a 3D printed based carbon PEEK (poly ether ether ketone, reinforced with carbon) polymer composite mono leaf spring was done using finite element analysis. Comparative study of leaf springs of a Dodge SUV car has been made by using 3D printed carbon PEEK. The main objective of this work is to optimize the design and material parameters, such as fiber diameter, fiber length, percentage volume of fibers and orientation angle of fibers in 3D printed based material with a mono polymer composite leaf spring. The effects of these parameters were studied to evaluate the deflection, bending stress, spring rate, stiffness and von Mises stress under different loading conditions. Furthermore investigation has been done to reduce the weight of leaf springs and claimed the 3D printed based leaf springs have better load carrying capacity. Thus an attempt has been made in this regard and we selected the 3D printed carbon PEEK in developing product design and material selection for minimum deflection and bending stress by means of response surface optimization methodology for an efficient leaf spring suspension system. The 3D printed carbon fiber polymer composite has three different percentage volume fractions such as 30%, 50%, and 60%. The selected carbon PEEK has 0°, 45°, and 90° fiber orientations. Finite element based analysis has been performed on 3D printed carbon PEEK material to conclude the optimized design parameters and best possible combination of factors affecting the leaf spring performance.

摘要

在这项研究工作中，利用有限元分析对基于3D打印的碳增强聚醚醚酮（PEEK）聚合物复合材料单片弹簧进行了设计优化和静态分析。使用3D打印的碳增强PEEK对道奇SUV汽车的板簧进行了对比研究。这项工作的主要目标是优化设计和材料参数，例如基于3D打印的材料与单聚合物复合材料板簧中的纤维直径、纤维长度、纤维体积百分比和纤维取向角。研究了这些参数的影响，以评估不同加载条件下的挠度、弯曲应力、弹簧刚度、刚度和冯·米塞斯应力。此外，还进行了降低板簧重量的研究，并声称基于3D打印的板簧具有更好的承载能力。因此，在这方面进行了尝试，我们选择3D打印的碳增强PEEK来开发产品设计和材料选择，通过响应面优化方法实现板簧悬架系统的最小挠度和弯曲应力。3D打印的碳纤维聚合物复合材料具有三种不同的体积分数，分别为30%、50%和60%。所选的碳增强PEEK具有0°、45°和90°的纤维取向。对3D打印的碳增强PEEK材料进行了基于有限元的分析，以得出优化的设计参数以及影响板簧性能的因素的最佳组合。

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本文引用的文献

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A review of PEEK polymer's properties and its use in prosthodontics.聚醚醚酮（PEEK）聚合物的性能及其在口腔修复学中的应用综述。
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Three-dimensional printing of continuous-fiber composites by in-nozzle impregnation.通过喷嘴内浸渍实现连续纤维复合材料的三维打印。
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