Method of welding robot control which controls the three basic a

Details Method of welding robot control which controls the three basic a Method of welding robot control which controls the three basic a

1982-11-23

1987-06-30

Shaw, Clifford C.

Electric heating

Metal heating

By arc

318574, 901 42, B23K 912

Patent

active

046772766

ABSTRACT:
A method of controlling a welding robot substantially comprises (i) teaching three points in the neighborhood of a teaching line to define a weaving pattern, and (ii) controlling three basic axes of a welding robot so that a welding torch tip of the robot moves on one of the surfaces of a triangular pillar formed by shifting a triangular plane defined by the above three points along the teaching line, while executing a weaving operation which is determined by a weaving amplitude, a weaving frequency, and a welding velocity. After continuing the above movement until the torch tip arrives at the end point of the teaching line, the weaving operation along the next teaching line is effected utilizing a new triangular plane which is formed by rotating the former triangular plane on an axis defined by the former teaching line and the next teaching line. By utilizing and repeating such rotation, there is no need to teach a weaving pattern at each teaching line and an operator can easily teach the welding pattern with any complex weaving pattern.

REFERENCES:
patent: 4150329 (1979-04-01), Dahlstrom

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