动车组司机室外板多点拉形工艺研究  

Research on Multi-point Stretch Forming Process for Formed Shell of Electricity Multiple Unit Cage

作　　者：刘学之[1] 王汝彪[1] 

机构地区：[1]南车青岛四方机车车辆股份有限公司,山东青岛266111

出　　处：《锻压装备与制造技术》2011年第2期60-64,共5页China Metalforming Equipment & Manufacturing Technology

摘　　要：介绍了高速动车组铝合金车体司机室外板拉伸成形新工艺,研究了拉形设备和多点模具相结合的多点拉形技术。对典型零件多点拉形成形过程进行了数值模拟研究,并进行了工艺试验。结果表明,多点拉形技术能够解决新型结构司机室铝合金外板的成形问题,实现外板工件的柔性、数字化制造,解决新型结构司机室的国产化问题。A new technology of stretch forming process for formed shell of electricity multiple unit cage has been introduced in the text.The multi -point stretch forming technology,which combined the device of stretch forming and multi-point die,has been researched.A series of numerical simulations and technological test on typical parts in MPSF processes have been carried out.The results show that the formed aluminum alloy shell of electricity multiple unit cage can be accomplished by use of the multi—point stretch forming technology.This technology achieved the flexible and digitized manufacture of shell parts,which solves the problems of local manufacture in China.

关 键 词：机械制造 多点成形 外板 动车组 数值模拟 

分 类 号：TG386.49[金属学及工艺—金属压力加工]