ARC WELDING APPARATUS, ARC WELDING METHOD, ARC WELDING SYSTEM, AND WELDED ARTICLE

摘要

An arc welding apparatus includes: a detector configured to detect whether it is in a short state or an arc state between a consumable electrode and a welded article; a feed adjuster configured to apply a forward feed for feeding the consumable electrode when the arc state is detected and apply a reverse feed for feeding the consumable electrode when the short state is detected; a determiner configured to determine whether or not a predetermined period has elapsed after the detector has detected the short state; and an instructor configured to instruct the feed adjuster to continue the reverse feed even when the arc state is detected, until the determiner determines that the predetermined period has elapsed.

主权项

1. An arc welding apparatus comprising:
a detector configured to detect whether it is in a short state or an arc state between a consumable electrode and a welded article; a feed adjuster configured to adjust a feeding state of the consumable electrode so as to apply a forward feed for feeding the consumable electrode in a direction to the welded article when the detector detects the arc state and apply a reverse feed for feeding the consumable electrode in a direction opposite to the welded article when the detector detects the short state; a determiner configured to determine whether or not a predetermined period has elapsed after the detector has detected the short state; and an instructor configured to instruct the feed adjuster to continue the reverse feed even when the detector detects the arc state, until the determiner determines that the predetermined period has elapsed after the detector has detected the short state.