基于3D打印技术的食品成型设备结构设计及有限元分析
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摘要
食品3D打印作为一项新兴技术近年来获得了广泛应用。针对流体型食品3D打印的成型特点,采用模块化设计思想构建了设备的设计方案,运用Pro/E软件建立了设备的三维模型,再将模型导入到Ansys Workbench软件中,对设备进行了有限元静态分析和模态分析,静态分析结果显示其最大应力小于许用应力,强度符合要求。提取了设备模态分析的前六阶振型图,并在软件仿真的基础上搭建了食品3D打印实验平台,对食品3D打印设备进行了动态特性实验和出料实验,通过对比动态特性实验结果与仿真结果,验证了有限元分析的有效性,且出料精度达到相应标准,表明所设计的食品3D打印设备满足设计要求。
Food 3D printing as a new technology has been widely used in recent years. Base on the forming characteristics of 3D printing of fluidized food, the design scheme of the equipment was constructed by using the modular design idea. The 3D model of the equipment was first established in PRO/E. Then, the model was imported into ANSYS Workbench to carry out the finite element Static analysis and modal analysis. Static analysis results show that the maximum stress is less than the allowable stress and the strength meet the requirements. After that the first six modes of the modal analysis of the equipment was extracted and the food 3D printing experiment platform was built on the basis of the simulation. Moreover, the dynamic characteristics experiment of the food printing equipment as well as the discharge experiment were carried out. By comparing the dynamic characteristics experiment results with the simulation results, the validity of the finite element analysis was verified and the accuracy of the discharge port is up to the corresponding standard, which indicates that the designed 3D printing equipment meets the requirements.
Food 3D printing as a new technology has been widely used in recent years. Base on the forming characteristics of 3D printing of fluidized food, the design scheme of the equipment was constructed by using the modular design idea. The 3D model of the equipment was first established in PRO/E. Then, the model was imported into ANSYS Workbench to carry out the finite element Static analysis and modal analysis. Static analysis results show that the maximum stress is less than the allowable stress and the strength meet the requirements. After that the first six modes of the modal analysis of the equipment was extracted and the food 3D printing experiment platform was built on the basis of the simulation. Moreover, the dynamic characteristics experiment of the food printing equipment as well as the discharge experiment were carried out. By comparing the dynamic characteristics experiment results with the simulation results, the validity of the finite element analysis was verified and the accuracy of the discharge port is up to the corresponding standard, which indicates that the designed 3D printing equipment meets the requirements.
引文
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[5] LI Bao-tong,HONG Jun,LI Ting,et al,Modular Design of Complex Product Based on the Triple Fusion of Function/Feature/Knowledge[J]. Journal of Shanghai Jiaotong University(Science),2010,15(5):563-570.
[6] Liang Y,Cui C Y. Simulation and Analysis for Composite Casing Aging Trend Based on ANSYS[J].Applied Mechanics & Materials,2014(668-669): 248-252.
[7] 李春光,辛志杰,张锦.三维调节装置设计与有限元分析[J].机械强度,2016,38(1):197-201.LI ChunGuang, XIN ZhiJie, ZHANG Jin. Design and finite element analysis of three-dimensional regulating device[J]. Journal of Mechanical Strength,2016,38(1):197-201(In Chinese).
[8] 李昊,葛艳艳,田陈堯,等,便携式垃圾广告清理机的设计与强度分析[J],机械强度,2018,38(4): 816-821.LI Hao, GE YanYan, TIAN ChenYao, et al, Design and intensity analysis of portable advertisement cleaning machine[J]. Journal of Mechanical Strength,2018,38(4):816-821(In Chinese).
[9] 王宇,刘凯,林永龙.ANSYS软件在结构模态分析中的应用[J].机电工程技术,2013,42(9):38-40.WANG Yu, LIU Kai, LIN YongLong. Application of ANSYS software in structural modal analysis[J]. Mechanical and Electrical Engineering Technology,2013,42(9):38-40(In Chinese).
[10] 王伟,张昀硕.基于ANSYS Workbench航空发动机风扇转子的模态分析[J].机械工程与自动化,2017(2):81-83.WANG Wei, ZHANG YunShuo. Modal analysis of aircraft engine fan rotor based on ANSYS workbench[J]. Mechanical Engineering and Automation,2017(2):81-83(In Chinese).
[11] The Modal Analysis of Turbine Rotor Based on Application of ANSYS Software[C]. ICIMM 2015,Inner Mongolia, China,2015:1512-1515.