| 摘要 |
PROBLEM TO BE SOLVED: To provide a forging die device which can excellently manufacture a forged product having a spiral teeth portion. SOLUTION: The forging die device comprises a forging die 3 having a movable die 1 and a fixed die 2, and a turning device 6 for turning the movable die 1 about its turning axis. The turning device 6 includes a guide portion 63 which is arranged outside the movable die 1 and has a guide groove 62 to be fitted on a projected engagement portion provided on the movable die 1, and a driving source which is connected to the movable die 1 and applies a driving force to the movable die 1 so as to turn the movable die 1 about its turning axis. COPYRIGHT: (C)2008,JPO&INPIT
|
