The riveting work station, the platform can be riveted by the motor drive CAM mechanism.The advantage is that the motor drive can precisely control the position while controlling the pressure. (the pressure control is controlled by the spring, which can be converted by the displacement of the motor, which is ingenious).The mechanism is the strength of the cylinder riveting, while the advantages of the position precision, the structure is very clever.if you like,you can paypal for you to get this models or if you have any questions also you can email to me.