Extrusion & Post
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PEEK Extrusion Feeding Failure
Fenómeno do problema
【Problem Phenomenon】The PEEK extruder has poor feeding or even material interruption, with torque fluctuations and unstable output
Análise das causas
Poor hopper cooling causes pellets to soften and bridge, or the feed section temperature is too high causing material to stick to the screw and slip; PEEKChina extrusion troubleshooting lists feeding failure as the primary problem
Solução
Check the hopper cooling water circuit to keep the feed port at low temperature; clean hopper bridging and accumulated material; check the feed section temperature to prevent premature softening; dry and insulate the hopper to prevent moisture regain and caking; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusão principal
For extrusion material interruption, first check hopper cooling and bridging, and do not exceed the feed section temperature limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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