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For the demands of high speed and efficiency of on-line measurement of roundness in machining industry, a kind of
High-speed roundness measurement system based on the piezoelectric displacement transducer that used the
Polyvinylidene fluoride film was developed. It can achieve the goal of high-speed roundness measurement by combining
with charge amplifier and taking advantages of transducer such as the high frequency, sensitivity and signal-to-noise
ratio. From the experiment study, known that the measuring frequency response of the PVDF transducer is over 1200Hz
and the resonance peak is about 3000Hz. It has solved the problem of distortion measurement that caused by the
inductive transducer in high-speed measurement. The results showed that this system roundness error measurement
precision can reach less than 1μm. Repeated measurements show that the measurement results of the system has high
reproducibility and reliability.
Yang Zhou,Ming Kong,Jun Zhao, andXinhuan Lai
"Design of the high-speed roundness measurement system based on
PVDF film transducer", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 799739 (26 May 2011); https://doi.org/10.1117/12.887968
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Yang Zhou, Ming Kong, Jun Zhao, Xinhuan Lai, "Design of the high-speed roundness measurement system based on PVDF film transducer," Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 799739 (26 May 2011); https://doi.org/10.1117/12.887968