Extrusion & Post
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HDPE cable sheath
Fenómeno do problema
The cable sheath extrusion surface is rough
Análise das causas
Poor plasticization of the sheath material or die head buildup; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solução
Optimize the extrusion temperature; clean the die head; select cable-grade special material; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, to facilitate locating effective measures
Conclusão principal
Cable sheath uses special material plus temperature management; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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