We usually see a lot of welding work process, the whole process is a relatively prickly limit, work up must also be hard, some of the harmful substances will also be a crisis to our health, there is no kind of automated equipment can replace the manual operation? That is the welding robot, welding robot is a kind of automation equipment, where the arm is the basic part of the robot operator, can be rotating and reciprocating movement, at the end of the welding robot with a fixed welding gun, can realize the function of automatic welding.