Laser welded transmission filter housing and method and...

Details Laser welded transmission filter housing and method and... Laser welded transmission filter housing and method and...

B - Operations, Transporting

01

D

B01D 35/02 (2006.01) B01D 29/11 (2006.01) B01D 35/027 (2006.01) B29C 65/16 (2006.01) B29C 65/06 (2006.01) B29C 65/08 (2006.01)

Patent

CA 2344491

A preferred transmission filter (10) includes a first flange (18) transparent to a laser beam (58) and includes a second flange (20) opaque to the laser beam (58) and meltable upon exposure thereto. The flanges (18, 20) are in registered, abutting relationship with a laser weld bead (62) at the juncture (44) between the flanges (18, 20) to provide a fluid seal circumscribing the filter (10). The preferred filter manufacturing apparatus (12) includes a laser (54) coupled to a robot arm (50) controlled by a programmable logic controller (52). The controller (52) operates the robot arm (50) in order to direct the laser beam (58) through the first flange (18) onto the second flange (20) and along the juncture (44) to form the laser weld bead (62).

Un filtre (10) de boîte de vitesses préféré comporte une première bride (18) transparente au faisceau laser (58) ainsi qu'une deuxième bride (20) opaque au faisceau laser (58) et pouvant fondre lorsqu'elle est exposée à ce dernier. Les brides (18, 20), sont alignées et mise bout à bout avec un cordon de soudure laser (62) situé au niveau de la jonction (44) entre les brides (18, 20) de manière qu'un joint étanche entoure le filtre (10). L'appareil de fabrication de filtre préféré (12) comporte un laser (54) couplé à un bras de robot (50) commandé par un automate programmable (52). Ledit automate (52) actionne le bras de robot (50) de manière à diriger le faisceau laser (58) à travers la première bride (18) et sur la deuxième bride (20), ainsi que le long de la jonction (44) de sorte que le cordon de soudure laser (62) soit formé.

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