摘要
针对金属正弦波形膜盘尺寸较大,成形过程中回弹大的问题,基于Autoform建立了膜盘冲压成形有限元模型,并以压边力、摩擦系数和模具间隙为优化工艺参数,回弹量为优化目标,通过正交试验法设计优化试验,根据极差分析结果表明,摩擦系数对回弹量的影响最大,最优工艺参数组合为压边力800KN、摩擦系数0.11、模具间隙1.05mm。为了进一步改善回弹问题,采用四次预先补偿对模具型面进行修正,最终将膜盘正弦波曲面偏差控制在约0.1mm以内。通过成形试验与形状偏差测试,验证了所设计的冲压模具的精度,尺寸偏差能够控制在0.0~0.15mm之间。
Aiming at the problem of large size of metal sinusoidal waveform film disk and large springback during the molding process.Finite element modeling of membrane disk stamping and forming based on Autoform.The finite element model of diaphragm stamping forming was established based on Autoform,and with crimping force,friction coefficient and die clearance as the optimized process parameters and rebound quantity as the optimization objective,the optimization test was designed by orthogonal test method.According to the results of the extreme variance analysis,the friction coefficient has the greatest influence on the amount of springback,and the optimal combination of process parameters is 800 KN of crimping force,0.11 friction coefficient,and 1.05 mm of mold clearance.In order to further improve the springback problem,four pre-compensations were used to correct the mold profile,and finally the deviation of the sinusoidal surface of the film disk was controlled within about 0.1 mm.Through the forming test and shape deviation test,the accuracy of the designed stamping mold is verified,and the dimensional deviation can be controlled between 0.0 and 0.15 mm.
作者
毕凤阳
姜旭
宁慧燕
王晓宏
宋泊霖
BI Feng-yang;JIANG Xu;NING Hui-yan;WANG Xiao-hong;SONG Bo-lin(College of Mechanical and Electrical Engineering,Heilongjiang Institute of Technology,Harbin 150026,China)
出处
《世界有色金属》
2025年第14期213-216,共4页
World Nonferrous Metals
基金
国防科技重点实验室开放基金课题(JCKYS2023603C022)
黑龙江省属本科高校“优秀青年教师基础研究支持计划”(YQJH2023144)
龙江工程雏雁创新团队支持计划(CY202302)
黑龙江省属高校基本科研业务费科研项目(2022GJ04)
黑龙江省“双一流”学科协同创新成果项目(LJGXCG24-P24)。
关键词
冲压成形
工艺优化
正弦波形膜盘
有限元
正交试验
回弹补偿
stamping and forming
process optimization
sine wave membrane disk
finite element
orthogonal test
rebound compensation
作者简介
毕凤阳,男,生于1976年,黑龙江哈尔滨人,博士,教授,主要研究方向为塑性成形理论研究、智能制造等;通讯作者:姜旭,男,生于1992年,黑龙江虎林人,硕士,助理研究员,主要研究塑性成形工艺研究、先进制造技术研究。
