Abstract
The double printing process emerged several years ago in solar cell electrode printing industry puts higher demands on printing accuracy. In the production process, there is a positional deviation between the current stencil and the reference stencil after which is broken. Consequently, the current one cannot be used directly and the calibration is cumbersome. In order to save time, reduce the inaccuracy, this paper proposes an adaptive aligning printing method, in which the position-orientation deviation between the current stencil and the reference stencil is the only requirement after it is replaced and the motion platform parameters calibrated with the reference stencil are used to compute the target movement of the platform to align the current stencil grid lines to the solar cell grid lines. Through error modeling and Monte Carlo simulation analysis, the method is proved theoretically feasible, with a ±14μm printing error on the edge of solar cell, meeting the production requirement. Through experiment, the feasibility of this method in real production was also confirmed.
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Xian, Z., Huang, D., Zhang, X. (2019). Positioning Method and Error Analysis of Adaptive Printing of Crystalline Silicon Solar Cell Grid Lines. In: Uhl, T. (eds) Advances in Mechanism and Machine Science. IFToMM WC 2019. Mechanisms and Machine Science, vol 73. Springer, Cham. https://doi.org/10.1007/978-3-030-20131-9_48
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DOI: https://doi.org/10.1007/978-3-030-20131-9_48
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