Method and apparatus for linear vibration welding

Details Method and apparatus for linear vibration welding Method and apparatus for linear vibration welding

B - Operations, Transporting

29

C

B29C 65/06 (2006.01) B23K 20/12 (2006.01)

Patent

CA 2441411

The method of controlling a linear vibration welding apparatus, in accordance with the invention, may comprise the steps of: fastening a first workpiece portion in a fixed position; fastening a second workpiece portion to a reciprocating member; energizing a first single winding magnet with direct current power to create a magnetic field; sensing a location of the reciprocating member with respect to a zero point; and energizing a second magnet when the reciprocating member has crossed the zero point when moving towards the first magnet. The linear vibration welding apparatus in accordance with the invention may comprise: a frame; a flexure array; a first magnet assembly; a second magnet assembly; a digital controller; and direct current amplifiers for powering the magnet assemblies.

Le procédé de commande de l'appareil de soudage par vibration linéaire de cette invention consiste à : fixer une première section d'une pièce dans une position stable ; fixer une seconde section de la pièce sur un élément à mouvement alternatif ; exciter par courant continu un premier aimant à enroulement unique de façon à créer un champ magnétique ; détecter un emplacement de l'élément à mouvement alternatif par rapport à un point zéro ; et exciter un second aimant lorsque l'élément à mouvement alternatif a traversé le point zéro lors de son déplacement vers le premier aimant. L'appareil de soudage par vibration linéaire peut comprendre : un cadre ; un ensemble de flexion ; un premier ensemble d'aimants ; un second ensemble d'aimants ; un contrôleur numérique et des amplificateurs à courant continu pour exciter les ensembles d'aimants.

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