Method and apparatus for forming rivet joints

Details Method and apparatus for forming rivet joints Method and apparatus for forming rivet joints

B - Operations, Transporting

21

J

B21J 15/02 (2006.01) B21J 15/10 (2006.01) B21J 15/12 (2006.01) B21J 15/16 (2006.01) B21J 15/18 (2006.01) B21J 15/26 (2006.01) B21J 15/28 (2006.01)

Patent

CA 2296645

A method and apparatus (20, 90) for forming rivet joints that allow pivotal motion of the parts interconnected by such joints with a desired amount of clearance (86). Parts (66, 68) to be riveted together are aligned with each other and held in place on a parts support anvil (24, 96), and a rivet (74) is placed into aligned holes (70, 72). A rivet support anvil (38) is positioned against the head (76) of the rivet to establish an initial condition. The rivet support anvil is adjusted a required amount with respect to the parts support anvil prior to formation of the second head (84) on the opposite end of the rivet. The rivet is allowed to move a controlled amount prior to formation of the second head, to provide the desired amount of clearance.

Ce procédé et cet appareil (20, 90) de formation d'assemblages rivetés permettent de déplacer par pivotement les parties reliées entre elles par de tels assemblages, et d'obtenir la quantité voulue de jeu (86). Le procédé consiste à aligner l'une sur l'autre les parties (66, 68) à riveter ensemble, à les maintenir en place sur une enclume de support (24, 96), et à disposer un rivet (74) dans les trous alignés (70, 72), à placer une enclume de support (38) de rivet contre la tête (76) du rivet afin d'établir une condition première, cette enclume étant réglée d'une manière voulue par rapport à l'enclume de support des parties, avant formation de la seconde tête (84) du rivet, sur le côté opposé de celui-ci. Puis le rivet est déplacé d'une grandeur commandée, avant la formation de sa seconde tête, à l'effet d'obtenir la quantité de jeu voulue.

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