合理选择大截面锻件FM拔长时的砧型、砧宽比和压下量  

Rational Selection of Type & Width Ratio of Anvil and Reduction when FM Stretching for Large Cross Section Forgings

作　　者：李姣[1] 王敬禹[1] 刘建红[1] 徐明昊[1] 刘颖[1] 

机构地区：[1]天津重型装备工程研究有限公司,天津300457

出　　处：《大型铸锻件》2012年第5期35-38,42,共5页Heavy Casting and Forging

摘　　要：通过有限元模拟技术研究大截面锻件FM法拔长时不同的砧型、砧宽比和压下量对锻件表面质量和心部质量的影响。模拟结果表明:砧型选择双锥面砧,砧宽比选择0.6,压下量控制在15%～22%之间,有利于压实锻件心部冶金缺陷,提高锻件表面质量和心部质量。It studies on the effect of type ＆ width ratio of anvil and reduction on the quality of the forging surface and center by finite element simulation in FM stretching process for large cross - section forgings. The simulation re-sults show that the rational option is biconical surface anvil with anvil width ratio 0. 6 and reduction between 15% - 22% ,which is benefit for compacting the metallurgy defects of forgings heart and improving the quality of the forging surface and center.

关 键 词：大截面锻件 FM法拔长 工艺参数 

分 类 号：TG316[金属学及工艺—金属压力加工]