椭圆形内锅落料拉伸复合模设计

椭圆形内锅是典型的带凸缘的不对称拉伸件,材料变形不均匀,毛坯展开尺寸不易确定,易出现起皱和拉裂的质量问题。本文研究了带凸缘的不对称拉伸件的毛坯展开方法和冲压工艺设计的要点。该模具较好地解决了不对称拉伸件的成形难点,制件冲压过程顺畅,生产质量稳定。

Design of Blanking and Drawing Compound Die for the Elliptical Inner Pot

Elliptical inner pot is asymmetric drawing parts with flange typical, uneven deformation, blank expanding size is not easy to make, easy to appear quality problem wrinkle and crack. The author studies the essentials of flanged asymmetric drawing blank development method and stamping process design. The die solves the forming difficulty asymmetry of deep drawing parts stamping process, the workpiece is smooth, stable production quality.