| 摘要 |
The invention relates to an out-of- balance measuring device comprising a spindle unit (7) provided with a spindle holder (29) and a spindle (11) which is mounted on the spindle holder (29) in such a way that it rotates about a rotational axis (9) and which has a coupling mechanism on both ends, for fixing the object to be measured. Said spindle unit (7) is associated with an electric motor (5) driving the spindle (11), in such a way as to form a first pre-mounted group. The spindle holder is detachably fixed to a machine base (1) by means of a holder suspension (49), said holder suspension (49) forming a pre-mounted group, together with a sensor arrangement (61) used to measure the out-of-balance forces during operation. Connection elements which are associated in an indexed manner, for example, a dovetail connection (77), are provided for detachably connecting the two groups. Since the two groups are pre-mounted, they can be replaced in situ if a repair is necessary, without necessitating complex adjustment measures.
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