In-process monitoring in stamping －Effect of contact medium on ultrasonic wave detection intensity－

IR

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Other Title
  • プレス加工におけるインプロセスモニタリング－超音波の検出強度に関する接触媒質の影響－

Abstract

Stamping is suitable method for mass production because it is able to shaping materials in an instant. However, there are uncontrolled slight gaps between the workpiece and dies. Therefore, processing with high-precision is difficult. Gaps between the workpiece and dies can be detected by ultrasonic waves. And in order to detect the gaps, it is necessary to apply a contact medium between the dies or the die and the workpiece, because the ultrasonic wave becomes easier propagate. In this time, we investigated the relation of type of contact medium and the propagation efficiency of ultrasonic waves.

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