【摘要】 从理论上研究了球形凸模胀形过程中正应力和摩擦应力沿子午面(θ)方向的分布状况,进行了理论推导,根据推导结果对凸模胀形过程中出现的变形不均现象做出了解释。更多还原

【Abstract】 This paper studied friction stress distributed in processes of punch bulging,and deduced theory formula,the phenomenon about asymmetric reformation in processes of punch bulging is explained with the formula.更多还原