| 摘要 |
PROBLEM TO BE SOLVED: To unnecessitate the post-processing by automatically removing the casting flash caused at the hole edge in a hole as cast at the ejection of a product, in the case of forming the hole as cast in the product. SOLUTION: An ejecting plate 9 for punching is arranged in parallel at the back surface side of an ejecting plate 4 at a prescribed interval, and punching pins 10 passing through the ejecting plate 4 and facing forming parts for holes as cast in a die 1 are projectingly arranged on the ejecting plate 9 for punching. After opening the die, the punching pins 10 advance and pass through the holes (h) as cast in the product S, then ejecting pins 5 are advanced to extrude the product from the die.
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