Breaker Plates
Vol. 26 #1, March 1999
The use of breaker plates in the extrusion process serve a dual purpose, i.e., create a seal between the extruder barrel and, secondly, allow a means of building back pressure through the use of screen packs.
However, sometimes deleterious effects take place because the screen are too fine and filter out some of the compound ingredients
CaCO3, AOM, etc., causing back pressure to escalate during the course of a production run.
The remedy is to design a breaker plate with the same surface, i.e., smaller holes and less of them to achieve the same back pressure without screens!
- D. Cykana, Bemis Mfg. Co.
See also:
- Breaker plate maintenance
- Clean breakers
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Extrusion Hints