锻压技术

小直径管件电磁成形的响应面优化

英文标题：Response surface optimization on electromagnetic forming for small diameter pipe fittings

作者：王哲峰1 郭嘉琪1 周夕然2

分类号：TG391

出版年,卷(期):页码：2023,48(3):105-115

摘要：

管件电磁成形过程中，由于电压过高导致管件破裂，或者电能转换成不必要的光能和热能等形式的能量从而导致变形量或成形不均匀的问题，使得电磁成形的成功率较低。为了提高小直径管件的成形质量与成形效率，通过响应面优化和中心复合实验设计方法对电磁成形工艺进行优化。采用中心复合实验方法，将加载电压、管件长度、管件材料作为因素，分别设置加载电压为5500、6500和7500 V，采用长度为18、45和65 cm，材料为3003铝合金、6063铝合金和2024铝合金的小直径管件，通过拟合回归方程并进行方差分析，最后得出材料为6063铝合金、管件长度为52 cm、加载电压为6000 V为最优解。

During the electromagnetic forming process of pipe fittings，the success rate of electromagnetic forming is low due to the problems of excessive voltage causing the fracture of pipe fittings and the conversion of electrical energy into unnecessary energy in the forms of light and heat leading to the uneven deformation amount or forming. In order to improve the forming quality and forming efficiency of small diameter pipe fittings, the electromagnetic forming process was optimized by the response surface optimization and the central composite test design approach. Furthermore, using the central composite test approuch, taking loading voltage, length and material of pipe fittings as factors, setting the loading voltage of 5500, 6500 and 7500 V respectively, and using the small diameter pipe fittings with the length of 18, 45 and 65 cm respectively and the materials such as 3003, 6063 and 2024 aluminum alloys, by fitting the regression equation and variance analysis, the optimum solution was obtained as the material of 6063 aluminum alloy, the pipe fittings length of 52 cm and the loading voltage of 6000 V.

基金项目：

航空数字化制造过程国防基础科学重点实验室开放科研项目（SHSYS202008）

作者简介：王哲峰（1970-），男，博士，副教授 E-mail：zhefeng_w@126.com 通信作者：郭嘉琪（1997-），男，硕士研究生 E-mail：15432930@qq.com

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