Method of tightening a bolt with an optimum time

Details Method of tightening a bolt with an optimum time Method of tightening a bolt with an optimum time

B - Operations, Transporting

25

B

B25B 23/00 (2006.01) B23P 19/06 (2006.01) B25B 23/14 (2006.01) G05D 17/02 (2006.01)

Patent

CA 2179924

A method of tightening a bolt in an optimum time length does not require an additional program for controlling speed once optimum internal parameters have been determined through several learning cycles. A target torque is first preset and the nut runner is subjected to several learning cycles so that the nut runner automatically determines such internal parameters as to stop the motor immediately after the target torque is reached, requiring a minimum time for tightening the bolt.

Méthode permettant de serrer un boulon en un temps optimal sans nécessiter de programme supplémentaire de commande de vitesse une fois les paramètres internes déterminés au moyen de plusieurs cycles d'apprentissage. Un couple cible est d'abord préréglé et la machine à serrer les écrous est soumise à plusieurs cycles d'apprentissage pour pouvoir déterminer automatiquement lesdits paramètres internes de manière à arrêter le moteur dès que le couple cible est atteint, le temps de serrage du boulon étant ainsi minimal.

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