Molds & Tooling
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Product edge glass fiber exposure
Fenómeno del problema
Exposed glass fibers are visible at product edges or parting lines, with a sharp feeling and safety hazards
Análisis de la causa
The wall effect of melt flow in the edge region causes fibers to precipitate to the surface; fibers scratch the mold surface during ejection; fiber ends exposed at the weld line edge
Solución
Increase the PP skin layer thickness design at product edges; optimize the ejection system to avoid surface scratching; use diversion design at weld lines to improve fiber distribution
Conclusión clave
Edge glass fiber exposure is a safety and appearance quality hazard of LGFPP products
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