仿皮肤三维多孔点阵结构压缩吸能性能研究

doi:10.3901/JME.2021.15.222

机械工程学报 ›› 2021, Vol. 57 ›› Issue (15): 222-230.doi: 10.3901/JME.2021.15.222

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仿皮肤三维多孔点阵结构压缩吸能性能研究

纪小刚^1,2, 张建安¹, 栾宇豪¹, 张溪溪¹, 胡海涛¹

1. 江南大学机械工程学院无锡 214122;
2. 江南大学江苏省食品先进制造装备技术重点实验室无锡 214122

收稿日期:2020-08-19 修回日期:2021-02-18 出版日期:2021-08-05 发布日期:2021-11-03
通讯作者: 纪小刚(通信作者),男,1977年出生,博士,副教授,硕士研究生导师。主要研究方向为逆向工程、计算机辅助设计技,快速原型技术。E-mail:bhearts@126.com
作者简介:张建安,男,1996年出生。主要研究方向为多孔点阵结构。E-mail:1516123056@qq.com

Research on Compression Energy Absorption Performance of Skin-like 3D Porous Lattice Structure

JI Xiaogang^1,2, ZHANG Jianan¹, LUAN Yuhao¹, ZHANG Xixi¹, HU Haitao¹

1. School of Mechanical Engineering, Jiangnan University, Wuxi 214122;
2. Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology (Jiangnan University), Wuxi 214122

Received:2020-08-19 Revised:2021-02-18 Online:2021-08-05 Published:2021-11-03

摘要/Abstract

摘要： 基于DLP数字光处理（Digital light processing，DLP）3D打印技术，制造出具有规则多孔特点的三维多孔点阵结构，以使其具有较宽压缩应力平台的特点。研究和设计了3种单元网格构型细胞，并由此组合成不同的规则多孔点阵结构，采用特定配比方式的光固型柔性树脂材料制造成型；根据仿生设计原理，分析皮肤纵切面结构特点，基于试验数据并结合皮肤结构，找到最优三维多孔结构，以获得良好的压缩应力平台；该三维多孔结构具有规则可控的优势，并结合适当的软质材料，表现出了良好的机械性能。该研究成果具有较为广阔的发展空间，其结构可用于组织工程皮肤体外构件技术中的三维支架材料，也可作为振动和能量吸收领域的优质缓冲或阻尼材料。

关键词: 单元网格构型, 应力平台, 点阵结构, 3D打印

Abstract: A three-dimensional porous lattice structure with regular porous characteristics based on digital light processing (DLP) 3D printing technology is manufactured, so that it has the characteristics of a wider compressive stress platform. Three cell grid configurations are studied and designed, and thus are combined into different regular three-dimensional porous lattice structures, which are manufactured by using light solid flexible resin material with a special ratio. According to the principle of bionic design, the structural characteristics of the skin longitudinal section are analyzed. Based on the experimental data and combined with the skin structure, Find the optimal three-dimensional porous structure to obtain a good compressive stress platform. The three-dimensional porous structure has the advantages of regular controllability, combined with appropriate soft materials, and shows good mechanical properties. The research results have a relatively broad Development space, whose structure can be used as a three-dimensional scaffold material in the tissue engineering skin external component technology, and can also be used as a high-quality buffer or damping material in the field of vibration and energy absorption.

Key words: cell grid configuration, stress platform, lattice structure, 3D printing

中图分类号:

TH122

纪小刚, 张建安, 栾宇豪, 张溪溪, 胡海涛. 仿皮肤三维多孔点阵结构压缩吸能性能研究[J]. 机械工程学报, 2021, 57(15): 222-230.

JI Xiaogang, ZHANG Jianan, LUAN Yuhao, ZHANG Xixi, HU Haitao. Research on Compression Energy Absorption Performance of Skin-like 3D Porous Lattice Structure[J]. Journal of Mechanical Engineering, 2021, 57(15): 222-230.

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仿皮肤三维多孔点阵结构压缩吸能性能研究

Research on Compression Energy Absorption Performance of Skin-like 3D Porous Lattice Structure

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