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PARA Gating System and Floating Fiber
Fenómeno del problema
Improper PARA gating system design causes floating fiber; flow distance too long, glass fiber and resin separate.
Análisis de la causa
Glass fiber reinforced plastic has poor flowability and the flowability of glass fiber and resin components is inconsistent; flow distance cannot be too long; the melt must fill the cavity quickly to ensure uniform glass fiber dispersion; stagnation and delamination form floating fiber.
Solución
①Design the gating system for short flow; ②Melt fills the cavity quickly; ③Gate position optimizes the flow pattern; ④Runner size sufficient.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
The short-flow fast-filling principle of the PARA gating system prevents floating fiber; the flowability difference of the two components is the design starting point; uniform dispersion depends on flow management.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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