ARC welding method for aluminum members and welded product excel

Details ARC welding method for aluminum members and welded product excel ARC welding method for aluminum members and welded product excel

1996-01-22

1998-09-22

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219160, B23K 923

Patent

active

058117563

ABSTRACT:
When aluminum members are arc welded at a welding speed of 2-7 minute, a quantity of input energy is remarkably reduced so as to form a welded joint free from deformation or strains. A weld bead with sufficient penetration is formed due to the high thermal conductivity of the aluminum material. The penetration is promoted by jagging the groove face. The heat balance between the aluminum members different in heat capacity from each other is stabilized by holding a jig having big heat capacity in contact with the aluminum member having smaller heat capacity, so that a good weld joint can be obtained regardless of the difference in heat capacity.

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"Recommended practice for inert gas shielded arc welding of aluminum and aluminum alloy" JIS--Z3604, 1993, pp. 829-840.

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