| 摘要 |
<p>The present invention relates to a die for forging screws and consists of a sleeve (1) and a core (2) provided with a forging cavity (3), whereby the die is characterized in that the core (2) is transversely split in at least one plane and in the region of this parting plane there are formed at least two radial grooves (4) that enter a circumferential groove (11) formed on outer surface of the sleeve (1) and that are connected with the sleeve (1) upper face (12) through at least two outlet passages (13).</p> |
