This paper presented a classification of bulging forming on tube from point of view of mechanics.Deforming features of various bulging process and key factors influencing technology was discussed.

• 从变形力学的角度出发，提出了管材胀形工艺的分类方法，讨论了各类胀形工艺的变形力学特征及其影响胀形工艺的关键因素。