| 摘要 |
A device for positioning a workpiece for machining has a bench, which is mounted movably at a base and to which the workpiece (14) can be fastened. A detecti on device (15, 16, 17, 18) is arranged at the bench (12) for detecting a state of a machini ng process of the workpiece (14) and for generating detected information depending thereon. An energy transmission device (38, 42, 49, 50), for transmitting electric energy to th e components (16, 17, 18, 21), is arranged on the bench (12). An information transmission devi ce (39, 40, 43, 44, 59, 60) for transmitting detected information of the detection device (1 5, 16, 17, 18) to a control (63) is associated with the base (11). The energy transmission devic e (38, 42, 49, 50) transmits the energy and the information transmission device (39, 40, 43, 44 , 59, 60) transmits the information inductively and/or capacitively via the same air gap. An additional detection device (54) detects a state of energy transmission and generates additional detected information depending thereon. The additional detected information is transmitted as feedback information to the control (63) for correcting disturbances and/or changes in the energy transmission device (38, 42, 49, 50) and/or of the information transmission device (39, 40, 43, 44, 59, 60).
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