J661-023A
发布时间:2019-05-08 10:24:39点击率:
J661-023A
J661-023A
J661-023A
该设备主要分为压褶子轴、拉纸轴、折叠轴。根据所加工滤芯直径的不同,压褶轴的褶痕(褶痕:纸张折叠前需要先用两个滚筒碾压出痕迹,方便后面折叠器折弯)的高度和褶数也不一样,操作员根据褶痕需人工要更换压褶轴上的滚筒。那滚筒直径的变化和折痕高度的变化,引起其他工作轴线速度要根据一定比例匹配上。
三、方案
该控制系统主要采用维控人机界面LEVI-700LK,PLC主机采用LX3V-1412MT构成。压褶轴与拉纸轴采用变频器控制。压褶轴加编码器测速,面板电位器给定频率。拉纸轴频率由压褶轴编码器测速获得,MOD通讯给定。折叠轴使用步进电机,采用脉冲+方向控制,频率 可达200KHZ。加热部分采用温控仪表设置温度高低。
控制要点:
M0轴与M1轴的速度关系—如下图所示设备。以M0为主轴使用外部面板的电位器调节转速,M1轴随M0轴的线速度加快而加快。正常运行时M0、M1轴保持相同的线速度,但是启动刚开始时M1线速度要比M0轴的线速度稍快(不然会造成纸张拉不紧,影响产品外观),通过调节M0、M1轴的变频器加减速时间可解决该问题。
M0轴与M2轴的速度关系-如下图。M2轴出厂时折叠轴配备12个折叠齿固定不变。M2轴运行速度由M0轴的褶高和折数计算得出。已知M0轴的褶高、折数和运行速度可以得出每秒钟压出几个褶,进而可推算出,M2轴每秒需要转动几个褶高, 转换成M2的运行频率。
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