Welding quality decision apparatus and welding machine provided with the same

摘要

A welding quality decision apparatus having a high precision and a welding machine provided with the apparatus are provided. The welding quality decision apparatus according to the present invention is provided with a temperature detection apparatus for detecting a surface temperature of a member to be welded at a welding point after welding, a decision apparatus for comparing a temperature detection value detected thereby with a comparative reference value, and a control apparatus for controlling a welding machine on the basis of the decision result. Also, the welding machine according to the present invention is provided with above-described welding quality decision apparatus.