1756-L74
倍捻:
对经过并线的棉纱进行加捻,以使制成的纱线具有一定的强力、弹性、光泽等物理性能,细纱机是棉纺过程的最后一道工序,所以该道工序的好坏直接影响到棉纱的质量和产量,所以选择细纱机的传动装置是非常重要的。
细纱机是普遍使用的新式细纱机,性能优良、操作方便,机电一体化程度高,结合CO-TRUST CPU和文本的设计具备:纺纱参数设定、显示、纺纱过程自动控制、定长落纱、锭子速度曲线控制等功能。可按设定条件对纺纱过程的锭速、管纱长度、捻度等进行计算并自动显示,并根据机上各部分传感器自动协调控制,特别是定长落纱和自动落纱,大大降低操作者劳动强度;锭子曲线控制提高了纱线的质量和保证了纱锭成型,提高了全机的产量。
控制要点
细纱机电气控制系统软件设计主要分为:
控制部分、参数设定显示部分、计算采样部分、数字通讯部分和锭子运行曲线部分。
控制部分
为软件主程序部分,主要依据系统开关量和传感器的输入完成纺纱过程自动控制。
参数设定显示部分
主要依据TD2X配置完成参数设定显示菜单,共设计菜单有:完成总产、班产累计显示、换班设定、锭子速度、前罗拉速度、捻度、细纱管线长度统计等参数显示,以及一些参数设置画面,可完成参数的设定、错误设置或出错报警提示等功能,共编辑系统键5个共八组。
计算采样部分
主要根据主轴、前罗拉、后罗拉数据检测传感器采样结果以及设计参数完成系统计算,用以完成各类显示参数计算及定长落纱功能。
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