Injection Molding
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Glass Fiber Agglomeration in PBT Injection-Molded Parts
Fenómeno del problema
Glass fiber gathering areas (glass fiber clusters) appear locally in the product, and the performance of this area is abnormal.
Análisis de la causa
The glass fiber masterbatch or reinforced material is not fully mixed; the screw mixing is insufficient; the glass fiber separates and deposits during injection.
Solución
Use uniformly mixed reinforced material; optimize the screw mixing section design; appropriately adjust the back pressure.
Conclusión clave
PBT glass fiber agglomeration affects product uniformity.
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