Cotton assorting and prediction yarn quality effect by computer cotton assorting system was analyzed. Functions of computer cotton assorting system were introduced. Micronaire value and fiber length were selected as the first case,micronaire value,fiber length and fiber uniform were selected as the second case,cotton assorting and spinning test were done in the two cases. The result shows that the error between prediction data of the first case and practical data are larger. While the error between prediction data of the second case and practical data are less, the yam quality can fit use demands. It is considered that better yarn quality prediction result can be got when cotton bales classification of computer cotton assorting system can be set rationally according to raw material. Prediction result of computer cotton assorting system can be more accurate when equipment, processing etc are considered comprehensively.%分析计算机配棉系统配棉及预测成纱质量的效果.介绍了计算机配棉系统的功能,分别选取马克隆值和长度(方案1)及马克隆值、长度和纤维整齐度(方案2)为参数进行配棉及纺纱试验.试验结果表明:方案1的预测理论数据与实际生产数据误差较大,而方案2的误差明显减小,生产出的成纱质量符合使用要求.认为:根据原料情况合理设置计算机配棉系统的棉包分类分组方能取得理想的成纱质量预测结果,如能综合考虑设备、工艺等因素,计算机配棉系统的预测结果会更加精确.
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