| 摘要 |
[Solving Means] At the time of receiving a primary formed workpiece W1 from electrode chucks 22, a chuck device 64A (64B) in a robot hand 62c is used, and after receiving the primary formed workpiece W1, and before inserting the primary formed workpiece W1 from a stem part W11 thereof into an insertion hole 12 in a forging press main body 10, a holding portion W11a held by the electrode chucks 22 of the primary formed workpiece W1 is gripped by a chuck device 65A (65B) different from the chuck device 64A (64B), to release the gripping of the primary formed workpiece W1 by the chuck device 64A (64B). In accordance with this, it is possible to insert the holding portion W11a held by the electrode chucks 22 on the side of the stem part W11 of the primary formed workpiece W1 into the insertion hole 12. |
