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为满足非连续柔性基材输送系统特殊的工况需求,分析了卷绕系统中多种因素对基材中张力稳定的影响,提出了一种张力控制方法.该方案采用了一款8轴运动控制板卡,同时完成对张力控制、进给控制和卷绕控制的统一协调,并利用对料轴的卷绕进给位置指令迭代计算的方法,限制了非连续进给中的张力波动幅值.通过实验平台采集的张力数据分析结果表明:所提出的基于可编程多轴控制器(PMAC)多通道控制功能的张力控制方法实现了非连续基材输送系统中的张力稳定控制的目标,可满足部分柔性电子封装生产线的需求.实验分析还显示,在非连续卷绕进给工况中生产效率与张力波动幅值需求之间存在一定程度的矛盾,需要综合考虑.
In order to meet the special requirements of non-continuous flexible substrate transportation system, the influence of many factors in the winding system on the tension stability of the substrate was analyzed and a tension control method was proposed.The program adopted an 8-axis motion Control board, at the same time to complete the tension control, feed control and winding control of the uniform coordination, and the use of the feed shaft winding feed position iteration method of calculating the limit of non-continuous feed tension fluctuation amplitude The analysis of tension data collected by the experimental platform shows that the proposed tension control method based on the multi-channel control of programmable multi-axis controller (PMAC) achieves the goal of tension stabilization control in the discontinuous substrate transportation system Meet the requirements of some flexible electronic packaging production lines.Experimental analysis also shows that there is a certain degree of contradiction between the production efficiency and the demand of the tension fluctuation in the non-continuous winding feed conditions, which needs to be considered comprehensively.