冲压汽车翼子板成型工艺分析

Process Analysis on Automotive Fender Stamping Forming

在复杂的冲压翼子板成型过程中,合理的工艺排布是保证生产合格产品的前提,是降低生产成本的关键(零件报废、返修等)。文章主要根据翼子板结构特点进行工艺分析,制定了落料—拉延—修边侧修边冲孔—冲孔侧冲孔侧翻边侧整形—翻边侧翻边整形侧整形工艺方案,同时进行了成型模拟分析,对影响成型质量的坯料尺寸及拉延筋结构进行充分的分析,结果表明,坯料尺寸的合理性和拉延筋力的大小设置对产品成型有着重要的影响。

During complex fender stamping forming process, a reasonable process route is the prerequisite to ensure qualified products and reduce production cost（scrap, rework and so on）. Based on the fender structure, characteristics process analysis is carried out, formulation of blanking-drawing-trimming side trimming amt punching-punching, side punching, side flanging, side plastic-flanging, side flanging, shaping side shaping teehnology, program. At the same time, h^rming simulation is conducted. Amt a full analysis has been conducted on blank size and draw bead structure, which will affect forming quality. Results show that reasonable blank size, set of drawing force have an important influence on forming products.