摘要 |
PURPOSE: A drawing die structure is provided to produce a body panel of an automobile in a single action press and a double action press. CONSTITUTION: A drawing die structure of panel processing comprises a die(31), a punch(32) and a blank holder(33). The die has a first die surface(31a) in upper center portion to form a body panel of automobile. The die is an upper body in a single action press, and a lower body in a double action press. The punch has a second die surface(32a) in lower center portion to match with the first die surface. The blank holder is installed in the edge of the punch moving up and down to match with the upper surface of the die, thereby supporting body panel.
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