Processing Machinery
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Nozzle Blockage of PBT Reinforced Material
Problem Phenomenon
Fibers or unmelted matter accumulate at the nozzle, causing nozzle blockage.
Cause Analysis
The glass fiber accumulates at the conical flow channel of the nozzle; the raw material contains unmelted high-melting-point particles; the nozzle hole diameter is too small.
Solution
Use a larger nozzle hole diameter (≥3mm); regularly clean the nozzle; check the raw material quality.
Key Takeaway
PBT reinforced material nozzle blockage is a common cause of production interruption.
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