Processing Machinery
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Material spouting from the vent vacuum port of PCTG extruder
Problem Phenomenon
Melt spouting occurs in the vacuum zone of the vent port.
Cause Analysis
The vent port is located in a high-pressure zone; high screw filling degree extrudes the melt out.
Solution
Adjust vent port position; reduce screw rotation speed; optimize the temperature of that section.
Key Takeaway
PCTG vacuum port spouting is related to screw design.
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