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method and apparatus for measurement of stress in a band under tension and their applications, in particular for the measurement of the state of planeite such a band
method and apparatus for measurement of stress in a band under tension and their applications, in particular for the measurement of the state of planeite such a band
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机译:张力下测量带中应力的方法和装置及其应用,特别是测量这种带的平面状态
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摘要
A method and apparatus for measuring a mechanical characteristic of a band subjected to tension. A disturbance is produced, for example by a hammer, transversely of the band and there is measured the time that the disturbance takes to travel through a predetermined distance along the band. This measurement is related to the value of the tensile stress in the band. In this way planarity defects in the band can be detected by comparison of the times the disturbance takes to travel in different regions of the band.
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