砧宽比对孔洞闭合影响的光塑性研究  

To Study the Influence of Tool-Width Ratio on Closing Hole by Photo-Plastic Method

作　　者：张艳姝[1] 任运来[1] 吴瑜[1] 高新[1] 

机构地区：[1]燕山大学机械工程学院,秦皇岛066004

出　　处：《大型铸锻件》2002年第1期1-3,9,共4页Heavy Casting and Forging

摘　　要：利用光塑性方法,根据材料相似性,分析了中心压实法闭合孔洞时,不同的砧宽比对孔洞闭合效果的影响及孔洞周围应变分布情况,得到最佳砧宽比。Using photo - plastic method and the similarity of the material, the influence of the differ-ence tool - width ratio on closing hole and the strain distribution around the hole have been analyzed when the hole is closed by the center of pressure molding, and the optimum tool - width ratio has been obtained.

关 键 词：砧宽比 孔洞闭合 光塑性 应变分布 聚碳酸脂 大型锻件 

分 类 号：TG316.192[金属学及工艺—金属压力加工]