A reciprocating welding device using a microcontroller to control a stepper motor to control a welding head for the stationary welding of a workpiece, the microcontroller allowing for adjustment of the welding head reciprocating stroke speed, the width of each stroke, and a pause from 0-1 second at the sides to control the wash of the welding edges, having a manipulator, the welding head and the oscillator contained in a single unit and provided on a multiple adjustment portable stand.