• 挤出发泡设备
  • 1

挤出发泡设备

  • 28/06/2018 09:52:32

1.第一台挤出机用于物料的塑化。挤出的熔体通过输送管进人第二台挤出机。在塑化挤出机的最后一段,将发泡剂泵送进料筒并与塑料混合,塑化挤出机的螺杆配备有混料段,通过注人点将发泡剂注入到树脂中。第二台挤出机螺杆螺槽很深,螺杆转速很慢,熔体所受的剪应力也很小。这样就…

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