球面形耐热铝合金零件拉深成形工艺研究  

Drawing technology of heat-resistance aluminum hemisphere-shaped part

作　　者：陶友瑞[1] 

机构地区：[1]湖南工程学院机械工程系

出　　处：《锻压技术》2008年第5期59-63,共5页Forging & Stamping Technology

基　　金：湖南工程学院青年自选课题(2006)资助(120659)

摘　　要：耐热铝合金FVS0812板的成形性能差,拉深成形球面形零件更是困难。本文在实验研究的基础上提出了一种新型的拉深成形工艺,即包覆拉深,采用该工艺成功拉深出相对厚度小的球面形耐热铝合金零件。该工艺可以有效地防止皱曲和破裂的产生,可以使板料的变形均匀分散,从而提高板料的冲压成形性能。包覆拉深工艺是一种适合于低塑性材料拉深成形的工艺方法。The formability of FVS0812 sheet is bad and the forming of FVS0812 sphere-shaped part is difficult. Based on experiments, a novel forming technology was presented, named as ＂packed -layer drawing＂. A low relative-thickness coefficient sphere-shaped part was drawn successfully by ＂packed -layer drawing＂. Both wrinkling and fracturing could be effectively prevented by the technology. The formability of metal-sheet can be improved because the deformation of metal-sheet scattered uniformly. ＂Packed -layer drawing＂ is fit for the drawing of low plastic metal sheet.

关 键 词：包覆拉深工艺 耐热铝合金 曲面形零件 

分 类 号：TG386.41[金属学及工艺—金属压力加工]