| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a structure for preventing a casting fin in a die, which does not require a finish-work for removing the casting fin and prevents the development of a casting defect, such as casting blow hole. <P>SOLUTION: In a fixed die 1 constituted by assembling a core pin 11 and a main body 12, this fin preventive structure 5A which is arranged in between the core pin 11 and the main body 12, is constituted with a gap 51 which exists in the interval between the matching surface 111 of the core pin 11 and the matching surface 121 of the main body 12 and opens in the inner surface 101 of the die and is positioned near the inner surface 101 of the die and into which the molten steel can flow, and a space 52 for reserving the molten steel, which communicates with the gap 51 and is formed in the matching surface 121 of the main body 12. <P>COPYRIGHT: (C)2008,JPO&INPIT |
