| 摘要 |
A device for forging broaching contains upper striker and lower striker with two curved inserts mounted therein with possibility of displacement. On the working surface of the upper striker two curved inserts are located with possibility of displacement, which as well as the lower curved inserts are equipped with additional fixed inserts in the form of bosses. In the case, the angles of section of curved inserts of upper and lower strikers are equal, and their values can vary within the range from 90° to 135°. |
