Fundamental Problems
To get rid of enclosed air when changing barrels, quite some material has to be pressed out of the barrel, causing a significant amount of waste.
The follower plate can be lowered too fast in such a way, that material is squeezed out at the side instead of being raised in the center.
Hardened material on the edge of the sealing lip of the follower plate can be carried into the material, causing waste of produced parts or process breakdown.
Read more about this topic: Follower Plate Pump
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