Finding the Dynamic Range of Recorders During Impact Tests
DOI:
https://doi.org/10.18372/1990-5548.70.16765Keywords:
non-destructive testing, impact tests, measurements, sensitivity, accuracy, external vibrationsAbstract
In aircraft construction, when creating samples of new equipment, impact tests are often performed, both of individual components and of the entire product. It requires to introduce non-destructive testing devices into production, it is one of the most important factors in accelerating scientific and technological progress, raising the quality and competitiveness of manufactured products. Applying modern means of non-destructive testing, there is the problem of their protection from external vibrations, which affect the sensitivity, accuracy and reliability of high-precision measurements. In such cases the conversion of measuring information during powerful vibration and impact tests, as a rule, is carried out by piezoelectric acceleration sensors. Although to provide impact testing, there is a need to develop and use stand-alone recorders. The main requirements for these recorders are to ensure the autonomy and operability of the recorder on board the test product and to ensure the synchronization of the registration of the impact load.
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