Simulative training device for manual arc welding operation

The related training simulator for welding operation comprises: a simulating welding gun with a handle (8) connected to a step motor (9); a controller; and a simulated test piece. Wherein, arranging an active rolling wheel (4) on motor output shaft, a rolling base (6) with a driven rolling wheel on the motor base (7), and a welding rod (1) between (4) and (5). This invention can accelerate training with less consumption.