Method of inserting a fastener element, bolt element,...

B - Operations – Transporting – 23 – P

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B23P 19/06 (2006.01) F16B 37/06 (2006.01)

Patent

CA 2232295

In a method for inserting a bolt element (10) having a head portion (12) and a shaft portion (16) into a sheet metal component (52) the bolt element is passed through the sheet metal component by means of a setting head (38), with its end (100) remote from the head portion at the front, and is riveted to the sheet metal component (52) in the region of its head portion (12) by the cooperation of the setting head with a die (54) arranged at the side of the sheet metal component remote from the setting head (38). The sheet metal component (52) is pierced either by a hole punch or by the specially shaped bolt element (10), by the end of the shaft portion (16) remote from the head portion (12) under the action of the setting head (38), to form a ring collar which is subsequently deformed radially into contact with a groove in the shaft portion. In this arrangement the end (100) of the bolt element (10) which performs the punching work is preferably executed in accordance with the Ka shape of DIN 78.

L'invention concerne un procédé pour insérer un boulon (10), ayant une tête (12) et une tige (16), dans une plaque métallique (52). Le boulon est passé à travers la plaque métallique au moyen d'une tête d'insertion (38), par son extrémité (100) éloignée de la tête, et il est riveté à la plaque métallique (52) dans la région de la tête (12), grâce à la coopération de la tête d'insertion avec une matrice de rivetage (54) placée sur le côté de la plaque métallique éloigné de la tête de fixation (38). La plaque métallique (52) est percée par un poinçon ou par le boulon (10) ayant une forme spéciale, par l'extrémité de la tige (16) éloignée de la tête (12), sous l'action de la tête d'insertion (38), pour former un collier annulaire qui se déforme ensuite radialement pour venir se loger dans une rainure ménagée dans la tige. Dans cette forme d'exécution, l'extrémité (100) du boulon (10) qui perce la plaque a, de préférence, la forme Ka selon DIN 78.

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