| 摘要 |
A TIG welding torch 70 is set more adjacent to a first bus bar 30 than a second bus bar 40 to generate an arc. Consequently, the second bus bar 40 serving as a low melting point member is prevented from being over heated, occurrence of blow holes is suppressed, and inadequate melting of the first bus bar 30 serving as a high melting point member is improved, resulting in enhancement of welding strength. The method is applicable to electrical equipment, especially to a motor, provided to a vehicle.
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