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Investigation on vibration scuffing life curves

机译：振动磨损寿命曲线的研究

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The printing images on products and packaging play an important role in increasing the business value, adding artistic quality, and sending information. During transportation, scuffing of the printing images will emerge due to vibrations and impacts induced by rough roads and vehicles. This paper investigates experimentally the vibration scuffing through an ink transfer device. The scuffing value-time curves are obtained. Then the scuffing life curves G(rms,e)-N-a,N-e based on excitation acceleration root-mean-square (RMS) and G(rms,r)-N-a,N-r based on relative acceleration RMS are developed. Both Basquin-type and exponential-type curves may be applied to describe the scuffing life in this case. The excitation frequency width covering the resonance frequency has a significant effect on the scuffing life curve G(rms,e)-N-a,N-e based on excitation acceleration RMS; however, it is not obvious on the scuffing life curve G(rms,r)-N-a,N-r based on relative acceleration RMS. The vibration system filters out the broadband excitation vibration frequencies away from the resonance zone and makes the relative acceleration signal a narrow one. The scuffing life curve in the resonance scuffing state is very different from that in the nonresonance scuffing state, and they should be distinguished in practical application. The scuffing life equations and curves obtained in this paper may provide a reference to the further research on packaging scuffing and its test evaluation and accelerated vibration test in laboratory.
机译：在产品和包装上印刷图像在增加业务价值，增加艺术品质和发送信息方面起着重要作用。在运输过程中，由于崎rough的道路和车辆引起的振动和冲击，打印图像会出现划痕。本文实验研究了通过墨水传输装置的振动擦伤。得到了磨损值-时间曲线。然后建立了基于激励加速度均方根（RMS）的磨损寿命曲线G（rms，e）-N-a，N-e和基于相对加速度RMS的G（rms，r）-N-a，N-r。在这种情况下，可以使用Basquin型曲线和指数型曲线来描述刮擦寿命。基于激励加速度RMS，覆盖谐振频率的激励频率宽度对磨损寿命曲线G（rms，e）-N-a，N-e有显着影响。但是，基于相对加速度RMS的磨损寿命曲线G（rms，r）-N-a，N-r并不明显。振动系统滤除了远离共振区的宽带激发振动频率，并使相对加速度信号变窄。共振磨损状态下的磨损寿命曲线与非共振磨损状态下的磨损寿命曲线非常不同，在实际应用中应加以区别。本文获得的磨损寿命方程和曲线可为进一步研究包装磨损以及其在实验室的测试评估和加速振动测试提供参考。

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