| 摘要 |
<p>A welding apparatus, wherein the robot controller of the teaching playback type robot thereof is combined with the control portion of the welding power source thereof, each of the control portions of the robot controller and the welding power source is a digital-control type and provided with a digital communication control portion, and welding condition commands including at least a welding current command value are transmitted by using digital data through the communication control portions from the robot controller to the control portion of the welding power source. The present invention can thus provide a welding apparatus excluding conversion errors because of the existence of analog circuits. <IMAGE></p> |
