双螺杆挤出机的常见故障问题

发布时间:2024-02-23

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在使用过程中双螺杆挤出机难免会出现问题,大家知道常见的问题有哪些吗?机头压力不稳、主电机不能启动、主机电流不稳和润滑油压偏低,下面是详细的介绍。

  1、机头压力不稳

  产生原因:主电机转速不均匀。或者喂料电机转速不均匀,喂料量有波动。

  处理方法:检查主电机控制系统及轴承。检查喂料系统电机及控制系统。

  2、主电机不能启动

  产生原因:开车程序有错。主电机线程有问题,熔断丝是否被烧环。

  处理方法:检查程序,按正确开车顺序重新开车。检查主电机电路。检查润滑油泵是否启动,检查与主电机相关的连锁装置的状态。变频器感应电未放完,关闭总电源等待5分钟以后再启动。检查紧急按钮是否复位。

  3、主机电流不稳

  产生原因:喂料不均匀、主电机轴承损坏或润滑不良、某段加热器失灵,不加热、螺杆调整垫不对,或相位不对,元件干涉。

  处理方法:检查喂料机,排除故障。检修主电机,必要时更换轴承。检查各加热器是否正常工作,必要时更换加热器。检查调整垫,拉出螺杆检查螺杆有无干涉现象。

  4、润滑油压偏低

  产生原因:润滑油系统调压阀压力设定值过低。油泵故障或吸油管堵塞。

  处理方法:检查并调整润滑油系统压力调节阀。检查油泵、吸油管。

  以上就是双螺杆挤出机常见的故障问题的介绍,相关的操作人员在使用双螺杆挤出机的时候可以参考上面的内容进行定期检查,如果碰到上述问题可以参考解决方法,希望对大家有所帮助。


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