B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 11/00 (2006.01) B23K 9/028 (2006.01) B23K 9/032 (2006.01) F16C 3/02 (2006.01)
Patent
CA 2180066
A drive shaft assembly includes an aluminum torque tube and aluminum yokes that are arc welded to the ends of the torque tube. The torque tube has a hollow cylindrical end portion at each end that is pressed onto an annular end portion of the respective yoke to form a narrow annular slit. 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. 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.
American Axle & Manufacturing Inc.
Smart & Biggar
LandOfFree
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