Base-Layer Research on the Forming Width and Thermal Process for Tandem-GMAW Wire Arc Additive Manufacturing

被引：1
|
作者：
Shi J. [1 ,2 ]
Zhao Y. [1 ,2 ]
Chen S. [1 ,2 ]
Chi X. [3 ]
机构：
[1] College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing
[2] Engineering Research Center of Advanced Manufacturing Technology for Automotive Components, Ministry of Education, Beijing University of Technology, Beijing
[3] Mechanical Department of Guizhou Equipment Manufacturing Vocational College, Guiyang
来源：
Chen, Shujun (sjchen@emails.bjut.edu.cn) | 1600年 / Tianjin University卷 / 53期
基金：
中国国家自然科学基金;
关键词：
Analysis of the thermal process; Analytical solution of the thermal process; Width of the base layer; Wire arc additive manufacturing;
D O I：
10.11784/tdxbz201909064
中图分类号：
学科分类号：
摘要：
The method for manufacturing grid panels that deposits material directly on the substrate layer by layer can considerably improve the production efficiency and reduce cost. In the process of forming grid panels, the formation of the base layer and the entire thermal process determine whether the upper layer can be successfully formed. The parameters of the finite element heat source model were generated by measuring the morphology of the base layer for wire arc additive manufacturing through different plate thickness experiments. The influence of substrate thickness, preheating temperature, and distance from the edge on the width of the base layer for wire arc additive manufacturing was investigated by finite element simulation. The experimental results show that with the increase in the thickness of the substrate, the forming width of the base layer decreases significantly. With the increase in the preheating temperature, the width does not increase significantly when the temperature is within 80℃, whereas the width increases significantly when the temperature exceeds 120℃. The decrease in the distance from the edge has only a slight effect on the forming width beyond the range of 20mm and gradually increases the forming width within the range of 20mm. When the distance from the edge is 10mm, the temperature of the entire edge base plate reaches 500℃, and the collapse tendency of the base plate becomes obvious. On the basis of the results of the experiments, the mathematical model of the formation of the base layer is established according to the thermodynamic theory to help determine the heat source parameters and combined with the statistical least square method. This novel prediction method can be extended to the analysis and study of the heating process of wire arc additive manufacturing with different process parameters and plate thicknesses. © 2020, Editorial Board of Journal of Tianjin University(Science and Technology). All right reserved.
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页码：910 / 916
页数：6
相关论文
共 16 条
  • [1] Shi Junbiao, Li Fang, Chen Shujun, Et al., Effect of in-process active cooling on forming quality and efficiency of Tandem GMAW-based additive manufacturing, The International Journal of Advanced Manufacturing Technology, 101, 5, pp. 1349-1356, (2019)
  • [2] Shi Junbiao, Li Fang, Chen Shujun, Et al., T-GMAW based novel multi-node trajectory planning for fabricating grid stiffened panels: An efficient production technology, Journal of Cleaner Production, 238, 20, (2019)
  • [3] Hu Jianwen, Weld Bead Size Modeling and Parameter Prediction for GMAW-Based Rapid Manufacturing Through a Neural Network, (2012)
  • [4] Li Fang, Chen Shujun, Shi Junbiao, Et al., Evaluation and optimization of a hybrid manufacturing process combining wire arc additive manufacturing with milling for the fabrication of stiffened panels, Applied Sciences, 7, 12, (2017)
  • [5] Xu Furong, Yang Lijun, Li Huan, Et al., Influence of welding parameters on process control of meso-spray transfer in pulsed-MIG welding of aluminum, Journal of Tianjin University, 42, 10, pp. 855-860, (2009)
  • [6] Zhao Huihui, Path In-fluence on Quality and Path Optimization Method in Multiple Deposition of GMAW Remanufacturing, (2012)
  • [7] Li Li, Hu Shengsun, Yin Fengliang, Et al., 3-D numerical simulation of temperature field in moltenpool of plasma arc welding, Journal of Tianjin University, 40, 10, pp. 126-130, (2007)
  • [8] Bai Jiuyang, Wang Jihui, Lin Sanbao, Et al., Width prediction of aluminium alloy weld additively manufactured by TIG arc, Transactions of the China Welding Institution, 36, 9, pp. 87-90, (2015)
  • [9] Chen Cuixin, Li Wushen, Wang Qingpeng, Et al., Three-dimensional dynamic FEM simulation of temperature distribution for welding process, Journal of Tianjin University, 38, 5, pp. 466-470, (2005)
  • [10] Zhang Wenyue, Welding Heat Transfer, (1989)
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