How to protect the extrusion screw accessories?

How to protect the extrusion screw accessories?

Extruded polymer
The output section of extrusion screw also plays an important role in process stability. In injection molding, the screw prevents the molten polymer from backflowing through the check valve. To accumulate the amount of injections needed for the next one. In contrast, extrusion processing requires a steady, uniform output. Here it is very important that the resin is fused uniformly and extruded stably, especially the output of the screw metering section must be stable. In particular, the resin with the filler has a high viscosity, and the increase in viscosity helps to stabilize the extrusion. However, if the design of the extrusion die is not suitable for high viscosity mixtures, high head pressure will result.

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