| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that, when a plurality of electronic components nonresistive to heat (e.g. connectors having rows of parts to be soldered) are mounted in different row direction on a printed wiring board (plate-like work to be soldered) and then soldered by a partial soldering work, solder bridges are apt to appear. SOLUTION: An industrial robot 1 is provided for carrying a printed wiring board 3 selectably as desired with respect to its position and attitude on three- dimensional spatial coordinates. For partly soldering a plurality of connectors 75 different in row direction thereof with a jet wave 34 contacted to them, it is adjusted so that the array direction of each connector 75 is oblique, the printed wiring board 3 is carried at an elevation angle, and the width of the jet wave 34 is adjusted according to the width of the connector 75 in its carrying direction.
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