空心铝型材数值模拟及横向焊缝规律的研究
[Abstract]:In this paper, numerical simulation method, experimental design method and statistics are used to analyze and study the influence of extrusion die structure parameters and extrusion process parameters on the extrusion process and the quality of extrusion parts. Through the combination of simulation and experimental analysis, the flow law of the surface metal and the distribution law of the transverse weld in the extrusion process are studied, and the influence of the distribution region of the transverse weld on the quality of the extruded part is systematically analyzed. The main contents are as follows: through the numerical analysis of the velocity field in the extrusion process of the extruded parts of the train equipment cabin, the velocity mean square deviation of all the nodes in the section at the exit is obtained, and the velocity at the exit of the profile can be found to be more uniform; The numerical analysis of die temperature field and the reason of temperature change in each stage are analyzed in detail. Based on the orthogonal test method combined with numerical simulation method and statistical analysis method, the influences of die structure parameters and extrusion process parameters on the bending deformation defects of the extruded parts in the cabin of train equipment were studied, and on the basis of this, the die was optimized. By means of numerical simulation and experimental analysis of microstructure, the formation rule of transverse weld of the product was studied systematically, and the influence of transverse weld on product quality was analyzed in microcosmic angle.
【学位授予单位】:山东科技大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:TG379
【参考文献】
相关期刊论文 前10条
1 冯迪;张新明;孙峰;史兴宽;陈艳峰;李飞龙;;铝合金空心型材挤压焊合问题的研究进展[J];材料导报;2013年19期
2 秦升学;邢国良;娄淑梅;任莉新;苗双双;;基于DEFORM-3D的空心铝型材挤压过程有限元分析[J];热加工工艺;2013年05期
3 齐守智;Joseph C.Benedyk;;铝挤压技术发展历程和创新[J];世界有色金属;2012年06期
4 娄淑梅;张建中;袁建军;;铝合金挤压非正交网格有限体积法数值模拟[J];热加工工艺;2010年07期
5 刘健;林高用;冯迪;邹艳明;;模桥结构对铝型材分流挤压纵向焊缝焊合性能的影响[J];热加工工艺;2009年21期
6 陈建中;熊计;吴悦梅;赖人铭;赵国忠;;铝型材宽展挤压数值模拟及模具参数优化[J];轻合金加工技术;2009年01期
7 程磊;谢水生;黄国杰;和优锋;;焊合室高度对分流组合模挤压成形过程的影响[J];稀有金属;2008年04期
8 阚明先;蒋吉昊;王刚华;胡熙静;;衬套内爆ALE方法二维MHD数值模拟[J];四川大学学报(自然科学版);2007年01期
9 吴向红;赵国群;孙胜;娄淑梅;马新武;;挤压速度和摩擦状态对铝型材挤压过程的影响[J];塑性工程学报;2007年01期
10 娄淑梅;赵国群;王锐;;铝型材非稳态挤压有限体积法模拟关键技术研究与应用[J];中国机械工程;2006年S1期
相关博士学位论文 前3条
1 陈浩;空心铝合金型材挤压过程数值模拟及模具优化方法研究[D];山东大学;2012年
2 娄淑梅;铝型材挤压有限体积法数值模拟技术研究与系统开发[D];山东大学;2007年
3 吴向红;铝型材挤压过程有限体积数值模拟及软件开发技术的研究[D];山东大学;2006年
相关硕士学位论文 前2条
1 黄科;AA6063矩形截面铝型材挤压有限元分析[D];哈尔滨工业大学;2007年
2 郑荣;三维铝型材挤压模多参数CAO系统研究[D];南昌大学;2005年
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