柔性和印刷电子产品卷对卷制造中使用环境振动测量卷筒纸张力

IF 2.8 4区 工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Dan Feng, Neil Morrison, Claire Armstrong, Ken Moyers, Arvind Raman, Ryan Wagner
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引用次数: 0

摘要

卷筒纸张力的测量和控制对于卷筒对卷筒(R2R)制造的柔性印刷电子产品的质量控制具有重要意义。R2R腹板内的张力分布可以通过腹板的机械共振频率值来计算。通常,这样的测量需要产生一个主动的外部强迫并施加到腹板上。在这项工作中,我们表明有可能从测试环境中存在的环境噪声的强迫中获得网络的共振频率。这一结果扩大了非接触共振方法计算腹板张力的适用性,因为目前可用的主动外力方法不能应用于所有腹板材料和所有R2R操作环境。将环境激励法与常压下基于扬声器的声激励法进行比较,验证了环境激励法的有效性,发现两者的一致性在0.5%以内。由于有限温度效应,腹板的实验运动计算表明,观察到的振动是由测试环境中的空气或结构噪声产生的。为了证明该方法的有效性,我们演示了在五种外部施加张力下,在三种不同的卷材材料上,以及在大气和真空压力下使用环境激励。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Measurement of web tension using ambient vibrations in roll-to-roll manufacturing of flexible and printed electronics
Abstract Web tension measurement and control are important for the quality control of flexible and printed electronics fabricated by roll-to-roll (R2R) manufacturing. The distribution of tension within a R2R web can be calculated from the values of the web’s mechanical resonance frequencies. Typically, such measurements require an active external forcing to be generated and applied to the web. In this work, we show it is possible to obtain the web’s resonance frequencies from forcing due to ambient noise present in the test environment. This result broadens the applicability of noncontact resonance methods for computing web tension as currently available methods of active external forcing cannot be applied to all web materials and all R2R operating environments. We validate the ambient excitation method by comparing it to speaker-based acoustic excitation at atmospheric pressure and find the two methods agree within 0.5%. A calculation of the experimental motion of the web due to finite temperature effects suggests the observed vibration is generated from air-borne or structure-borne noise in the test environments. To show the effectiveness of the approach, we demonstrate the use of ambient excitation at five externally applied tensions, on three different web materials, and at both atmospheric and vacuum pressures.
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来源期刊
Flexible and Printed Electronics
Flexible and Printed Electronics MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
4.80
自引率
9.70%
发文量
101
期刊介绍: Flexible and Printed Electronics is a multidisciplinary journal publishing cutting edge research articles on electronics that can be either flexible, plastic, stretchable, conformable or printed. Research related to electronic materials, manufacturing techniques, components or systems which meets any one (or more) of the above criteria is suitable for publication in the journal. Subjects included in the journal range from flexible materials and printing techniques, design or modelling of electrical systems and components, advanced fabrication methods and bioelectronics, to the properties of devices and end user applications.
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