Molds & Tooling
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Glass Fibre insufficient flatness
Fenómeno del problema
Glass Fibre flat plate product flatness >0.5mm/100mm, warpage
Análisis de la causa
Glass Fibre shrinkage rate large and different in each direction; mold cooling uneven; residual stress release causes continuous warpage
Solución
1) Uniform mold temperature to reduce temperature difference; 2) increase holding pressure to reduce shrinkage difference; 3) annealing to release residual stress
Conclusión clave
Insufficient flatness is caused by shrinkage difference and stress; uniform cooling and annealing are key
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