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A new device built to measure the mechanical characters of the double ended tuning Fork
Guo Zhanshe,An Ying,Li Yilun,Wang Jinliang,Fan Shangchun 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.12
A new device is built to measure the mechanical characters of the double ended tuning fork which is used as the sensitive element ofresonant sensor. It is mainly composed of a three dimensional workbench, a force sensor, a servo motor, control circuit and a photodiode. Detailed theoretical analysis is carried out to verify the feasibility of the design and some experiments have been done to test the performanceof the device. Firstly, the calibrated result of the force sensor shows that the applied force possesses good linear relationshipwith the output voltage. Then, zero drift character indicates that the force drift is just 0.1N and the stability performance of the appliedforce is also detected. Finally, the axial force loading test is carried out. In conclusion, the above experiments prove that the designedscheme is right and reliable to measure the mechanical characters of the double ended tuning fork.