Servo Spin riveting machine

How does the spinning riveting machine work?(click and watch the video)

Spin riveting machine is precision engineered that they will riveting with unfailing speed, accuracy & consistent repeatability. Quiet electric motors drive the silent orbital movement of the tool holder.  Pressure for head forming is generated by either pneumatic or hydraulic power,both fully adjustable. Ajustment of riveting force, time, stroke & speed allows the machine to perform on a wide variety of applications.