Synchronized tubular friction welding arrangement

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 20/12 (2006.01) B21D 3/10 (2006.01) B23K 37/053 (2006.01) F16C 3/02 (2006.01) F16D 3/40 (2006.01)

Patent

CA 2457874

Method and apparatus for friction welding termination elements at first and second ends (21, 23) of a cylindrical shaft (15) in alaignment with an axis. A shaft receiver (17) receives the cylindrical shaft (15), and a first chuck (70) grips and rotates the cylindrical shaft (15) in alignment with the axis. A second chuck (75) grips the cylindrical shaft (15) and translates the second chuck (75) between first and second axial positions. A first termination receiver (155) receives the first termination (30) and axially translates same to a first installation position. An installation drive (90) urges the first termination (30) axially toward the cylindrical shaft (15) as it is rotated. A second termination receiver axially translates second termination (32) to a second installtion position in allignment with the axis. A second installation drive (91) urges the second termination element (32) axially toward the cylindrical shaft as it is rotated. The first chuck (70) is rotated at approximately between 500 to 6000 rmp. The first installation drive arrangement (90) applies between 250 to 3000 pounds of axial force for between 1 and 15 seconds during a heating phase, and between 1500 to 12000 pounds of axial force for between 0.5 and 10 seconds during a forging phase.

L'invention concerne un procédé et un appareil pour éléments de terminaison de soudage à des première et seconde extrémités (21, 23) d'une tige cylindrique (15) en alignement avec un axe. Un logement (17) de tige reçoit la tige cylindrique, et un premier mandrin (70) serre la tige cylindrique(15), et la fait tourner en alignement avec l'axe. Un second mandrin (75) serre la tige cylindrique (15) et la déplace axialement entre des première et seconde positions axiales. Un premier logement de terminaison (155) reçoit une première terminaison (30) et se déplace vers une première position d'installation. Une commande d'installation (90) sollicite la première terminaison (30) à la tige cylindrique (15) lorsqu'il la fait tourner. Un second logement de terminaison déplace axialement une seconde terminaison (32) vers une seconde position d'installation en alignement avec l'axe. Une seconde commande d'installation (91) sollicite le second élément de terminaison (32) axialement vers la tige cylindrique (15) lorsqu'elle est en rotation. Le premier mandrin (70) est mis en rotation entre 500 et 6000 rpm. La première commande d'installation (90) applique une force axiale comprise entre 250 et 3000 livres pendant 1 à 15 secondes lors de la phase de chauffage, et entre 1500 et 12000 livres de force axiale pendant 0,5 à 10 secondes lors de la phase de forgeage.

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