| 摘要 |
PURPOSE: A fitting pressure measuring device is provided to reduce the shaking of a car body and a handle by improving uniformity in installation of a tire on a wheel. CONSTITUTION: A fitting pressure measuring device comprises an amplifier(3), a data acquisition unit(4),an analog digital converter(5), a computer(6), and a piezoelectric cable(1). The amplifier accepts the signal of a piezoelectric sensor. The data acquisition unit collects the amplified signal. The analog digital converter changes the collected signal into the digital signal. The computer processes the digital signal. The piezoelectric cable is installed in grooves formed on a rim flange and rim base part on both sides of a wheel. The diameter of the piezoelectric cable is 2.7~3.5mm.
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