叙述了客车系列底盘纵梁成形工艺的确定过程 ,通过研究分析几种纵梁的相同点和不同点及左右纵梁对称等特点 ,制定了既能保证产品质量又能节约投资的工艺方案 ,并设计制造了适合系列产品快速开发的通用压形模。着重介绍了成形模的凹模镶块、凸模镶块、托料板的设计过程 This paper describes the process of determining the chassis girder forming process of passenger car series. Through the research and analysis of the same points and different points of several longitudinal girders and the symmetry of the left and right longitudinal girders, a process scheme that can both guarantee product quality and save investment is also developed. Design and manufacture of a series of products for the rapid development of universal pressure die. Emphasis is given to the design of the die insert, the punch insert and the support plate