| 摘要 |
A four-die forging device comprises two holders of the first pair of dies with inclined planes, two holders of the second pair of dies with inclined planes kinematically connected thereto corresponding to the inclined planes of the first pair of dies, four dies with working surfaces attached to the respective holders of the dies. The device is housed in a rigid frame having guide planes, and two holders of the first pair of dies are equipped with guide planes contacting with respective guide planes of the frame and equipped with drives made in the form of hydraulic cylinders with possibility of synchronous movement of the holders with dies towards the center of the device and their return to the original position in the guide planes of the frame, wherein with two holders of the second pair of dies are connected to the frame by reverse springs. |
