Method of welding aluminium drive shaft components

A drive shaft assembly (10) includes an aluminum torque tube (12) and aluminum yokes (14) that are arc welded to the ends of the torque tube. The torque tube has a hollow cylindrical end portion (16) at each end that is pressed onto an annular end portion (20) of the respective yoke to form a narrow...

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Bibliographic Details
Main Author SEEDS, HAROLD W
Format Patent
LanguageEnglish
French
German
Published 28.01.1998
Edition6
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:A drive shaft assembly (10) includes an aluminum torque tube (12) and aluminum yokes (14) that are arc welded to the ends of the torque tube. The torque tube has a hollow cylindrical end portion (16) at each end that is pressed onto an annular end portion (20) of the respective yoke to form a narrow annular slit (30, 230). The two parts are then arc welded together by forming an electric arc between the parts at the narrow annular slit and a consumable aluminum based electrode (34). The electric arc is sustained with a pulsed high amperage direct current to fill the narrow annular slit with aluminum based material from the consumable electrode in a single pass.
Bibliography:Application Number: EP19960305352