| 摘要 |
The system is designed so that it includes a machine table (9) on which is arranged a vertical spindle (13), on which a first frame (10,11) is located swivelable. A horizontal shaft (4) is located in the first frame. <??>A second frame (15,16) is swivelable located on the horizontal shaft (14). A shaft (18) is located at right angles to the vertical and to the horizontal shafts (13,14). A holder (19) for the heel (1), a drive motor (17) and a cam (20) are fixed at the shaft (18). The cam runs on a roller (22), which is located at the first frame (11). |
