| 摘要 |
The invention relates to a device for treating or acting on workpiece surfaces by means of an actuator, such as a cutting or engraving laser or a nozzle for applying oils, paints, adhesives, dyes, or etchants for example. In particular, the invention relates to a device which is suitable for acting on workpieces with relatively large surfaces relative to the dimensions of the actuator, such as on strip materials for example. An ultrasonic levitation force field is generated by means of a sonotrode (4), which is coupled to the actuator into a working unit (3), such that the movably suspended working unit (3) is supported on the workpiece surface in a hovering manner. The ultrasonic levitation force field allows a highly precise positioning of the working unit (3) relative to the workpiece surface so as to allow a precise treatment or machining of the workpiece surface. |
