底排壳体毛坯的温挤压成形数值模拟研究  

Study on numerical simulation of warm extrusion forming of bottom-bleed shell blank

作　　者：张巍 李帅孝 ZHANG Wei;LI Shuaixiao(Haizhuang Shenyang Bureau, Shenyang 110081, China)

机构地区：[1]海装沈阳局,沈阳110081

出　　处：《兵器装备工程学报》2022年第S01期180-184,共5页Journal of Ordnance Equipment Engineering

摘　　要：利用DEFORM-3D软件对底排壳体毛坯的温挤压过程进行数值模拟,分析研究了底排壳体毛坯的尺寸、挤压温度以及挤压速度3组变量对挤压过程的影响。根据模拟结果分析了工艺参数不同的条件下毛坯的受力情况以及底排壳体成形过程。结论为毛坯不同的长径比对凸模所受载荷无明显影响,不同的挤压速度对金属流动速度有明显影响。In order to improve the processing performance of the bottom row shell,this paper studies the three groups of variables of the warm extrusion size,temperature and extrusion speed of the bottom row shell blank.The warm extrusion process of the bottom row shell blank is numerically simulated by using DEFORM-3D software.According to the simulation results,the stress of the blank under different parameters and its influence on the forming process of the bottom row shell are analyzed.It is concluded that different length diameter ratio has no obvious effect on the load on the punch,and different extrusion speed has an obvious effect on the metal flow speed.

关 键 词：底排壳体 DEFORM-3D 温挤压 工艺 数值模拟 

分 类 号：TJ410[兵器科学与技术—火炮、自动武器与弹药工程]