机械测试技术实验报告

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1、金属箔式应变片——单臂电桥性能实验重量/g020406080100120140160180200电压/mV0.24.28.212.216.220.224.128.132.036.039.6S=ΔUΔW=0.200mV/gδf1=∆myFS×100%=0.3%光电转速传感器的转速测量实验电压/V2.03.04.05.06.07.08.09.010.011.012.0转速/(r/min)39062085010801310154017602000222024302670频率/Hz396285108131154176200222243267z电涡流位移传

2、感器实验数据记录位移/mm6.726.927.127.327.527.727.928.128.328.52电压/V44.755.536.176.757.257.698.18.428.75位移/mm8.728.929.129.329.529.729.9210.1210.3210.52电压/V9.029.239.489.669.849.9910.1210.2610.3710.47位移/mm10.7210.9211.1211.3211.5211.7211.92电压/V10.5610.6510.7210.7610.7910.8110.83