挤出沉积3D打印工艺参数对发射药尺寸及拉伸强度的影响

doi:10.12382/bgxb.2021.0103

兵工学报 ›› 2022, Vol. 43 ›› Issue (3): 661-666.doi: 10.12382/bgxb.2021.0103

挤出沉积3D打印工艺参数对发射药尺寸及拉伸强度的影响

周梦蕾，南风强，何卫东，王沫茹，堵平，王彬彬

(南京理工大学化工学院, 江苏南京 210094)

上线日期:2022-04-07
作者简介:周梦蕾（1996—），女，硕士研究生。E-mail：1730383538@qq.com
基金资助:
国防基础科研项目(2020年)

Influence of Extrusion Deposition 3D Printing Process Parameters on Propellant Size and Tensile Strength

ZHOU Menglei, NAN Fengqiang, HE Weidong, WANG Moru, DU Ping, WANG Binbin

(Collage of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China)

Online:2022-04-07

摘要/Abstract

摘要： 针对现有发射药制造存在成型结构简单、难以满足日益增长的复杂结构需求，基于挤出式3D打印技术建立挤出沉积模型，确定挤出3D打印过程的重要工艺参数，开展3D打印工艺参数对发射药成型尺寸及拉伸强度影响的实验研究，分析针头内径、打印速度、底板温度等工艺参数对发射药尺寸和拉伸强度的影响。结果表明：针头内径为0.7 mm、打印速度为3 mm/s、底板温度为35 ℃时，发射药样品的尺寸最佳；针头内径为0.7 mm、打印速度为4 mm/s、底板温度为35 ℃时，发射药样品的拉伸强度最佳。

关键词: 发射药尺寸, 拉伸强度, 3D打印, 挤出沉积

Abstract: For the problem that the propellant structure is difficult to meet the increasing demand of complex structure, a model of extrusion deposition 3D printing is established, and the process parameters in the extrusion deposition 3D printing are determined.The influences of 3D printing process parameters, such as needle inner diameter, printing speed and temperature, on propellant size and tensile strength were experimentally studied. The results show that, when the inner diameter of the needle is 0.7 mm, the printing speed is 3 mm/s, and the temperature is 35 ℃, the size of printed propellant sample is the best. When the inner diameter of the needle is 0.7 mm, the printing speed is 4 mm/s, and the floor temperature is 35 ℃, the tensile strength of printed propellant sample is the best.

Key words: propellantsize, tensilestrength, 3Dprinting, extrusiondeposition

中图分类号:

TQ56

周梦蕾，南风强，何卫东，王沫茹，堵平，王彬彬. 挤出沉积3D打印工艺参数对发射药尺寸及拉伸强度的影响[J]. 兵工学报, 2022, 43(3): 661-666.

ZHOU Menglei, NAN Fengqiang, HE Weidong, WANG Moru, DU Ping, WANG Binbin. Influence of Extrusion Deposition 3D Printing Process Parameters on Propellant Size and Tensile Strength[J]. Acta Armamentarii, 2022, 43(3): 661-666.

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挤出沉积3D打印工艺参数对发射药尺寸及拉伸强度的影响

Influence of Extrusion Deposition 3D Printing Process Parameters on Propellant Size and Tensile Strength

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