Combination stamping process for squirrelcage unclosed and closed end face covering and design of reverse-drawing die;
鼠笼端面透盖和闷盖组合冲压工艺及反拉深模设计
Through the technological calculation of the wind wheel and the analysis of the exerted force, stress and metal flowing status when drawing forward and backward, the forward and backward compound drawing die was designed and improved in its structure, which ensured the requirement of the part dimensions and eliminated some defects such as the material thickness becoming thinner.
通过对风轮本体的工艺计算及正反拉伸复合时的受力、应力及金属流动状态进行分析 ,设计并改进了正反拉伸复合模的结构 ,保证了零件尺寸要求 ,消除了料厚变薄等缺
A compound die with forward and backward drawing was designed,which could draw the part in one step and guarantee the produced part to meet the dimensional and shape requirements.
针对球壳的具体结构,分析了该类球形零件的拉深成形特点及其传统成形工艺,据此设计了正反拉深复合模,有效改善了薄料的成形性能,一次性完成了零件的拉深,保证了零件的尺寸及形状要求。