An electrospindle

Реферат: An electrospindle comprising a motor (2) for moving a tool and a motor shaft (3) for transmitting motion from the motor (2) to the tool, the electrospindle (1) comprising a gripping head (5) of the tool and coupling of the latter to the motor shaft (3), the head (5) in turn comprising two flanges (6) between which a portion of the tool and at least one thrust nut (7) of a first flange (8) can be interposed towards a counterflange (9) so as to hold the tool in position. The electrospindle (1) comprises an insert (10) coupled by screwing to the free end (11) of the motor shaft (3), the thrust nut (7) being coupled on an end portion (12) of the insert (10).