【摘要】 本文介绍采用声波共振原理、连续扫频激励系统和电子逻辑电路,在线非接触快速测量球墨铸铁曲轴的固有频率和幅频特性,自动评定球化质量的无损检测方法及其测量装置。更多还原

【Abstract】 Described is the evaluation of the quality of nodular cast iron crankshaft by using sweeposcillator,logic circuit and uncontact transducers.The system can be used for on-line measurementof the resonance frequency and spectrum curve of crankshaft.更多还原