| 摘要 |
A tool for a progressive forming machine comprising an assembly having a workpiece shaping cavity symmetrical about an axis and including an end wall transverse to the axis, a conical bore open to the end wall and centered on the axis, the sides of the conical bore being described by a relatively small angle relative to the axis, and an ejector pin for forcing workpieces form the cavity, the ejector pin having an end face and a conical body portion rearward of the end face, the conical body portion having an external surface matching a surface of the conical bore. |
