Title:
ROTARY VIBRATION TESTING MACHINE
Document Type and Number:
Japanese Patent JP3767273
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a small-sized rotary vibration testing machine which is wide in a measurement frequency band by directly rotating and vibrating a turntable with the torque generated by an excitation source.
SOLUTION: The turntable 1 is freely rotatably mounted at a base 2 and coil frames 14 mounted with coils 13 are mounted at an equal angular pitch at a flange 1c of the turntable 1. Magnetic circuits 12 are fixed to the base 2 in such a manner that the centers of the coils 13 exist at the centers of the magnetic circuits 12.
Inventors:
Shinsenji, Akihide
Ariga, Takaharu
Ariga, Takaharu
Application Number:
JP1999000269743
Publication Date:
February 10, 2006
Filing Date:
September 24, 1999
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
B06B1/04; G01M7/04; B06B1/02; G01M7/00; (IPC1-7): B06B1/04