【摘要】 分析了大型钛合金零件超塑性成形的特点,比较了工艺方案的优缺点,确定经济可行的工艺方案,并详细介绍该方案的模具结构及设计要点。实践证明,用内加热超塑性成形方法进行大型零件成形,简单易行,不仅降低了模具的制造成本,而且提高了产品质量,是值得推荐的一种方法。更多还原

【Abstract】 This paper analyzes the super plastic forming features and makes the comparison of the advantages and shortcomings between process schemes for large Titanium alloy parts.Economical and reliable technological process is determined.The structure and main design points of the die are introduced in detail.It is proved that using super plastic forming by inner heating product of large size is an easy and simple practice,which can not only reduce the cost of die making but also improve the product’s quality.It is worth to be recommended.更多还原