| 摘要 |
<p>The invention relates to a method and a press for producing metallic pieces having one or more cavities, by billet press forging, wherein every single billet is placed in a closable mould (not disclosed) and one or more pins (16) are introduced into the billet body to deform it in the mould. To optimize operations, the inserting movement of one or more single pins (16) is controlled in its travel length, speed and feed force and in operating times, individually and coordinately with the movement of one or more pins (16) and the mould closing movement, the control being carried out according to the final piece configuration.</p> |
