Method of teaching welding robot

Details Method of teaching welding robot Method of teaching welding robot

1998-02-24

1999-04-27

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

31856814, 901 42, 219 867, B23K 1111

Patent

active

058982850

ABSTRACT:
A welding robot has a gun main body, a stationary electrode tip which is immovable relative to the gun main body, and a movable electrode tip which is mounted on the gun main body and is opened and closed by a pressing source. The gun main body is movable by a driving source in a direction in which both the electrode tips lie opposite to each other. In teaching the welding robot by the movement thereof to each weld spot position of a workpiece, the movable electrode tip is moved in a closing direction relative to the gun main body by the pressing source in a state in which the gun main body is kept stationary at a predetermined position relative to the gun support bracket. The stationary electrode tip is moved in the closing direction by a relative movement of the gun main body relative to the movable electrode tip after the movable electrode tip has come into contact with the workpiece. A position at which the stationary electrode tip contacted the workpiece is detected. This position is stored as teaching data.

REFERENCES:
patent: 4447697 (1984-05-01), Dunne et al.
patent: 5340960 (1994-08-01), Takasaki et al.
patent: 5449875 (1995-09-01), Ito et al.

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