| 摘要 |
PURPOSE:To shorten the molding cycle time for injection molding a molded product with a precision portion. CONSTITUTION:A molding die consists of a molding block 4 forming a part of a cavity 11 for molding a precision portion in order to shorten the molding cycle for injection molding of a molded product with a precision portion of high accuracy and an ejector pin 3 disposed adjacent to the molding block 4 and ejecting the molded product and forming a part of the cavity 11, and a cooling hole 31 for cooling positively the molding block 4 through the ejector pin 3. |
