| 摘要 |
A manually operated chuck for machining of rotationally symmetrical workpieces, the chuck comprising: a base body, attached to clamping jaws radially movable on the base body for securing the workpiece and in which an opening extends at right angles to a longitudinal axis of the base body; a threaded spindle movably mounted in the opening and accessed from outside to change the position, thereof; a wedge bar in the base body proximate the spindle, the wedge bar being connected to the spindle and a clamping jaw in a shape-locking arrangement; a driving ring rotationally mounted in the base body and connected to the threaded spindle and to one of the wedge bars with play between the threaded spindle and driving ring, and/or the threaded spindle and a wedge bar, and/or between the driving ring and wedge bars of the clamping jaws, the workpiece disposed concentrically to a longitudinal axis of the chuck. |
