STRIKING DEVICE AND NATURAL FREQUENCY MEASURING DEVICE

Provided are a striking device and a natural frequency measuring device capable of simply and accurately measuring a natural frequency of a system including force detector. The striking device includes an arm (62) capable of swinging around a spindle (63), and a steel ball (61) arranged in an end pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TAKII, Tadaoki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Provided are a striking device and a natural frequency measuring device capable of simply and accurately measuring a natural frequency of a system including force detector. The striking device includes an arm (62) capable of swinging around a spindle (63), and a steel ball (61) arranged in an end part of the arm on a side opposite to the spindle. The spindle is supported by a supporting part (64) capable of lifting up and down relative to a post (71) erected on a magnet stand (70). A supporting part (68) for supporting a supporting plate (67) is arranged at a position in the post and above the supporting part. A permanent magnet (66) is placed above the supporting plate. The steel ball falls down in an arc shape from a standby height position when the permanent magnet is removed.