| 摘要 |
The tool has a frame (1) which absorbs stresses occurring during treatment. A support has a support wall (7) forming part of the frame, on which at least one tool-holder (3) is placed. At least one vertical spindle (2) rotates the workpiece holder. Each tool-holder has at least one travelling piece. At least parts of the support wall is enclosed. The spindle has only one rotary axle (5) coinciding with the longitudinal axis of the spindle. The workpiece holder is positioned on the top end of the spindle. |
