| 摘要 |
<p>Insertion die tooling (20) for the installation of a flange (24) into a drum end embossment (30) according to one embodiment of the present invention comprises a stationary work station (21) constructed and arranged to receive an internally-threaded metal flange and a portion of a metal drum end, the metal drum end being formed with an embossment to be positioned over the metal flange and a movable pressure unit (22) including a closing collet (33) constructed and arranged with a plurality of collet segments, a punch holder (47) attached to a closing ring (48), and a pilot (32) that is constructed and arranged to be movable with movement of the punch holder, the pilot including a frustoconical portion (41) constructed and arranged for engagement with the embossment for forming a tapered inner drum end wall adjacent an inner surface of the flange.</p> |
