| 摘要 |
In an industrial robot according to this invention, at least three points among a large number of off-line teaching points set for tasks are directly taught in the actual site of the tasks, the "deviations" between the actual teaching points and the off-line set teaching points respectively corresponding to each other are computed in directions X, Y and Z, and all the large number of off-line teaching points are corrected on the basis of the errors detected for at least the three points.
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