| 摘要 |
The invention relates to a device system (10) for creating a bore (26) having a center point (M) in a base (22), comprising a tool device (12) having a core drill (14), which core drill can be fastened to a drive shaft (15) and can be rotated about an axis of rotation (17), a device stand (11) having a guide rail (23) and a guide carriage (24) for accommodating the tool device (12), an advancing apparatus (13) for moving the tool device (12) along the guide rail (23), and a positioning apparatus (27) for determining the center point (M) of the bore (26) to be created, wherein the positioning apparatus (27) comprises a transmitting apparatus for emitting one or more laser beams. |
