Processing Machinery
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HDPE Glass Fiber Floating
Fenómeno del problema
Glass fiber reinforced HDPE product surface floating fibers
Análisis de la causa
Resin insufficiently coats the glass fibers, and the flow front quenches causing floating fibers; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solución
Increase mold temperature; increase speed; select grades with good coating; 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
Conclusión clave
Floating fibers are improved by mold temperature, speed, and grade; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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