| 摘要 |
<p>A double-rotatable universal head for fitting to a machine tool slide (6) and comprising an actual head (2) supporting the spindle (3), and if necessary a head carrier (1) interposed between the actual head (2) and slide (6) in order to transmit the drive shaft (12) rotation of the machine tool to the spindle (3), said head and said slide, as well as said head carrier being rotatably coupled to each other in an adjustable way according to surfaces angulated with respect to the axis of the respective rotation means (12,35,3), in order to orientate the spindle axis in the required direction, and being provided with mutual locking means (9,22) in the preferred angular position, characterised in that said relative rotation means consist of a member (29) for locking the rotation of the spindle (3) relative to the actual head (2), while said locking means (9,22) are disactivated and the spindle (3) is rotated.</p> |
