| 摘要 |
The invention relates to a spindle head (1) for machine tools, comprising a spindle housing (2) of a working spindle (4), which is rotatably supported about a spindle axis relative to the spindle housing (2) by means of at least one bearing (5) and which has a spindle (3), wherein the spindle housing (2), the spindle (3), and the working spindle (4) have supply devices (Z) for a cooling medium for a tool arranged on a tool side (W) of the spindle (3), characterized in that two bushings (6, 7) that form a gap seal in the region of the supply device (Z) are provided, wherein the one bushing (6) is arranged in the working spindle (4) and the other bushing (7) is arranged in the spindle housing (2) and at least one of the two bushings (6, 7) has at least one recess (8) in the running surface of the bushing facing the other bushing (6, 7). |
